/* roulang page: index */
:root{
  --main:#0f7c7c;
  --main-dark:#0b5f5f;
  --main-soft:#e5f2f0;
  --accent:#f6b84b;
  --accent-soft:#fdf0d7;
  --deep:#173a3a;
  --bg:#faf8f4;
  --panel:#f2ede6;
  --white:#ffffff;
  --text:#243b3b;
  --text-soft:#5c7171;
  --border:#e4ded5;
  --line:#ece6de;
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-sm:12px;
  --shadow:0 18px 42px rgba(15,124,124,.11);
  --shadow-soft:0 6px 18px rgba(23,58,58,.06);
  --ease:.18s ease;
  --container:1240px;
}
*,
*::before,
*::after{
  box-sizing:border-box;
}
html{
  scroll-behavior:smooth;
}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:1rem;
  -webkit-font-smoothing:antialiased;
}
img{
  max-width:100%;
  display:block;
}
a{
  color:inherit;
  text-decoration:none;
}
ul,ol{
  list-style:none;
  padding:0;
  margin:0;
}
input,textarea,button,select{
  font-family:inherit;
}
a:hover,
a:focus,
button:focus,
input:focus,
textarea:focus,
summary:focus{
  outline:2px solid var(--main);
  outline-offset:2px;
  border-radius:6px;
}
a:focus:not(:focus-visible),
button:focus:not(:focus-visible),
summary:focus:not(:focus-visible){
  outline:none;
}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.grid-container{
  max-width:var(--container);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  height:48px;
  padding:0 26px;
  border-radius:40px;
  border:1px solid transparent;
  font-size:.95rem;
  font-weight:600;
  line-height:1.2;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease;
  white-space:nowrap;
}
.btn:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 26px rgba(15,124,124,.14);
}
.btn-accent{
  background:var(--accent);
  color:#1e2e2e;
}
.btn-accent:hover{
  background:#e2a93a;
  color:#152626;
}
.btn-dark{
  background:var(--deep);
  color:#fff;
}
.btn-dark:hover{
  background:#225050;
}
.btn-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.72);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.12);
  color:#fff;
}
.btn-outline{
  background:transparent;
  color:var(--main);
  border-color:var(--main);
}
.btn-outline:hover{
  background:var(--main-soft);
  color:var(--deep);
}
.btn-light{
  background:#fff;
  color:var(--deep);
}
.btn-light:hover{
  background:var(--accent-soft);
  color:var(--deep);
}

.site-header{
  position:relative;
  z-index:100;
  background:#fff;
  box-shadow:0 1px 0 rgba(0,0,0,.03);
}
.brand-row{
  background:#fff;
  padding:14px 0;
  border-bottom:1px solid var(--line);
}
.brand-lock{
  min-width:250px;
}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-weight:700;
  font-size:1.45rem;
  letter-spacing:-.4px;
  color:var(--deep);
}
.logo-badge{
  width:42px;
  height:42px;
  border-radius:14px;
  background:linear-gradient(145deg,#173a3a,#0f7c7c);
  color:var(--accent);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:1.15rem;
  box-shadow:0 8px 18px rgba(15,124,124,.18);
}
.logo-text strong{
  color:var(--deep);
  font-weight:700;
}
.logo-text em{
  font-style:normal;
  color:var(--main);
  margin-left:2px;
  font-weight:600;
}
.brand-tools{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:10px;
}
.locale-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:999px;
  padding:7px 14px;
  font-size:.85rem;
  color:var(--text);
  font-weight:500;
}
.tool-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 13px;
  border-radius:999px;
  font-size:.88rem;
  color:var(--text);
  background:var(--bg);
  border:1px solid var(--border);
  transition:all var(--ease);
  cursor:pointer;
}
.tool-btn:hover{
  border-color:var(--main);
  color:var(--main);
  background:#fff;
  transform:translateY(-1px);
}
.mobile-menu-btn{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--bg);
  color:var(--deep);
  font-size:1rem;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:all var(--ease);
}
.mobile-menu-btn:hover{
  border-color:var(--main);
  color:var(--main);
}

.channel-bar{
  background:var(--panel);
  border-bottom:1px solid var(--border);
}
.nav-flex{
  display:flex;
  align-items:center;
  min-height:56px;
  gap:10px;
}
.channel-menu{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:4px;
  width:100%;
}
.channel-menu li{
  display:inline-flex;
  align-items:center;
}
.channel-menu a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
  padding:0 16px;
  border-bottom:2px solid transparent;
  color:var(--deep);
  font-weight:500;
  font-size:.92rem;
  transition:color .16s ease, background-color .16s ease, border-color .16s ease;
}
.channel-menu a:hover{
  color:var(--main);
  background:rgba(15,124,124,.05);
}
.channel-menu a.active{
  color:var(--main);
  border-bottom-color:var(--main);
  font-weight:600;
}
.channel-menu .quick-ask{
  margin-left:auto;
  border-radius:999px;
  background:var(--deep);
  color:#fff;
  padding:0 20px;
  border-bottom:0;
  font-weight:500;
}
.channel-menu .quick-ask:hover{
  background:var(--main);
  color:#fff;
  transform:translateY(-1px);
}

.mobile-drawer{
  display:none;
  background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 12px 22px rgba(0,0,0,.05);
}
.mobile-drawer.is-open{
  display:block;
}
.mobile-drawer .drawer-title{
  display:block;
  font-size:.82rem;
  font-weight:600;
  color:var(--main);
  padding:14px 20px 6px;
  letter-spacing:.08em;
}
.mobile-drawer a{
  display:block;
  padding:12px 24px;
  border-bottom:1px solid var(--line);
  font-weight:500;
  color:var(--text);
  transition:all var(--ease);
}
.mobile-drawer a:hover,
.mobile-drawer a.active{
  color:var(--main);
  background:var(--main-soft);
}
.mobile-drawer .drawer-close{
  display:block;
  margin:14px 20px 18px auto;
  border-radius:999px;
  background:var(--panel);
  border:1px solid var(--border);
  padding:7px 16px;
  font-size:.88rem;
  color:var(--deep);
  cursor:pointer;
}

.hero{
  position:relative;
  color:#fff;
  padding:96px 0 64px;
  background:linear-gradient(115deg,rgba(23,58,58,.96) 0%,rgba(15,124,124,.82) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow:hidden;
}
.hero h1{
  margin:18px 0 14px;
  font-size:clamp(2rem, 4vw, 3rem);
  line-height:1.28;
  letter-spacing:-.4px;
  font-weight:700;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.2);
  border-radius:999px;
  padding:6px 15px;
  font-size:.83rem;
  font-weight:500;
  color:rgba(255,255,255,.92);
}
.kicker-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(246,184,75,.2);
}
.hero-sub{
  max-width:620px;
  color:rgba(255,255,255,.86);
  font-size:1.09rem;
  line-height:1.85;
  margin-bottom:28px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.metric-panel{
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-xl);
  padding:22px;
  box-shadow:0 18px 36px rgba(0,0,0,.1);
}
.metric-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
}
.metric-card{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.14);
  border-radius:18px;
  padding:18px 14px;
  min-height:132px;
  display:flex;
  flex-direction:column;
}
.metric-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  margin-bottom:10px;
}
.metric-num{
  font-size:2.35rem;
  font-weight:800;
  line-height:1;
  letter-spacing:-.5px;
  color:#fff;
  font-feature-settings:"tnum";
}
.metric-unit{
  font-size:.78rem;
  color:rgba(255,255,255,.72);
  margin-left:3px;
  font-weight:400;
}
.metric-card i{
  font-size:1.15rem;
  color:var(--accent);
  width:32px;
  height:32px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background:rgba(15,124,124,.36);
  border:1px solid rgba(255,255,255,.12);
}
.metric-label{
  font-size:.84rem;
  color:rgba(255,255,255,.84);
  font-weight:500;
}
.metric-note{
  font-size:.75rem;
  color:rgba(255,255,255,.62);
  margin-top:2px;
}
.quick-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
  margin-top:28px;
}
.quick-chip{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:#fff;
  border-radius:999px;
  color:var(--deep);
  padding:10px 12px;
  font-weight:600;
  font-size:.86rem;
  transition:all var(--ease);
  box-shadow:0 8px 18px rgba(0,0,0,.07);
}
.quick-chip i{
  color:var(--main);
}
.quick-chip:hover{
  transform:translateY(-3px);
  color:var(--main);
  box-shadow:0 14px 24px rgba(0,0,0,.12);
}

.section{
  padding:88px 0;
}
.section-white{
  background:#fff;
}
.section-soft{
  background:var(--main-soft);
}
.section-head{
  margin-bottom:52px;
}
.section-head.center{
  text-align:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--main);
  font-weight:700;
  font-size:.85rem;
  letter-spacing:.12em;
  margin-bottom:12px;
}
.eyebrow i{
  color:var(--accent);
}
.section-title{
  font-size:clamp(1.65rem, 3vw, 2.3rem);
  color:var(--deep);
  line-height:1.3;
  font-weight:700;
  margin:0 0 14px;
  letter-spacing:-.02em;
}
.section-sub{
  font-size:1.03rem;
  color:var(--text-soft);
  max-width:760px;
}
.center .section-sub{
  margin-left:auto;
  margin-right:auto;
}
.divider-line{
  width:54px;
  height:3px;
  background:var(--accent);
  border-radius:99px;
  margin-top:20px;
}
.center .divider-line{
  margin-left:auto;
  margin-right:auto;
}

.focus-sec{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.focus-visual{
  position:relative;
}
.visual-frame{
  border-radius:var(--radius-xl);
  overflow:hidden;
  background:linear-gradient(135deg,var(--main-soft),var(--accent-soft));
  box-shadow:var(--shadow);
  position:relative;
  border:1px solid var(--line);
}
.visual-frame img{
  width:100%;
  aspect-ratio:5/4;
  object-fit:cover;
  transition:transform .4s ease;
}
.visual-frame:hover img{
  transform:scale(1.015);
}
.visual-tag{
  position:absolute;
  right:18px;
  bottom:18px;
  background:rgba(23,58,58,.84);
  backdrop-filter:blur(6px);
  color:#fff;
  border-radius:999px;
  padding:7px 14px;
  font-size:.8rem;
  font-weight:500;
  border:1px solid rgba(255,255,255,.18);
}
.focus-content{
  padding-left:24px;
}
.focus-title{
  font-size:1.8rem;
  line-height:1.4;
  color:var(--deep);
  font-weight:700;
  margin:14px 0 14px;
}
.focus-text{
  color:var(--text-soft);
  font-size:1.03rem;
  line-height:1.85;
  margin-bottom:18px;
}
.check-list li{
  position:relative;
  padding:10px 0 10px 34px;
  border-bottom:1px dashed var(--line);
  color:var(--text);
}
.check-list li:last-child{
  border-bottom:0;
}
.check-list li::before{
  content:"\2713";
  position:absolute;
  left:0;
  top:12px;
  width:23px;
  height:23px;
  border-radius:50%;
  background:var(--main-soft);
  color:var(--main);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:.75rem;
  font-weight:700;
}
.focus-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}

.matrix-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.feature-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .2s ease, box-shadow .2s ease;
  display:flex;
  flex-direction:column;
}
.feature-card::after{
  content:"";
  position:absolute;
  left:0;
  right:100%;
  top:0;
  height:3px;
  background:var(--main);
  transition:right .22s ease;
}
.feature-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow);
}
.feature-card:hover::after{
  right:0;
}
.feature-card .card-thumb{
  background:var(--main-soft);
  min-height:210px;
  overflow:hidden;
}
.feature-card .card-thumb img{
  width:100%;
  height:210px;
  object-fit:cover;
  transition:transform .35s ease;
}
.feature-card:hover .card-thumb img{
  transform:scale(1.03);
}
.card-body{
  padding:26px 24px 24px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.card-title-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:10px;
}
.card-title{
  font-size:1.2rem;
  color:var(--deep);
  font-weight:700;
  margin:0;
}
.card-no{
  font-size:.8rem;
  color:var(--main);
  background:var(--main-soft);
  border-radius:999px;
  padding:4px 12px;
  font-weight:600;
  white-space:nowrap;
}
.card-desc{
  color:var(--text-soft);
  font-size:.95rem;
  line-height:1.8;
  margin:0 0 14px;
  flex:1;
}
.card-tags{
  display:flex;
  flex-wrap:wrap;
  gap:7px;
  margin-bottom:18px;
}
.tag-pill{
  display:inline-flex;
  align-items:center;
  gap:5px;
  background:var(--bg);
  color:var(--text-soft);
  border-radius:999px;
  padding:5px 12px;
  font-size:.78rem;
  font-weight:500;
  border:1px solid var(--border);
}
.tag-pill i{
  color:var(--main);
  font-size:.7rem;
}
.card-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--main);
  font-weight:600;
  font-size:.9rem;
  transition:gap .18s ease,color .18s ease;
}
.card-link i{
  transition:transform .18s ease;
}
.card-link:hover{
  color:var(--main-dark);
  gap:12px;
}
.card-link:hover i{
  transform:translateX(2px);
}

.process-sec{
  background:linear-gradient(125deg,#173a3a 0%,#0f7c7c 70%,#0d6d6d 100%);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.process-sec::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.12;
  pointer-events:none;
}
.process-sec .container{
  position:relative;
}
.process-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.step-card{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);
  padding:26px 20px;
  position:relative;
  transition:transform .2s ease, background .2s ease;
}
.step-card:hover{
  transform:translateY(-4px);
  background:rgba(255,255,255,.15);
}
.step-index{
  font-size:2.2rem;
  font-weight:800;
  color:var(--accent);
  line-height:1;
  letter-spacing:-.04em;
  margin-bottom:14px;
}
.step-title{
  font-size:1.1rem;
  font-weight:700;
  margin:0 0 8px;
  color:#fff;
}
.step-desc{
  font-size:.9rem;
  color:rgba(255,255,255,.78);
  line-height:1.75;
  margin:0;
}

.compare-sec .compare-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.compare-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px 28px;
  box-shadow:var(--shadow-soft);
  transition:box-shadow .2s ease, transform .2s ease;
}
.compare-panel:hover{
  box-shadow:var(--shadow);
  transform:translateY(-4px);
}
.compare-panel.is-bad{
  border-top:4px solid #e0a5a5;
}
.compare-panel.is-good{
  border-top:4px solid var(--main);
}
.compare-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--panel);
  border-radius:999px;
  color:var(--text);
  font-weight:600;
  font-size:.84rem;
  padding:6px 14px;
}
.compare-panel.is-bad .compare-label{
  background:#fceeee;
  color:#964848;
}
.compare-panel.is-good .compare-label{
  background:var(--main-soft);
  color:var(--main-dark);
}
.compare-title{
  font-size:1.3rem;
  color:var(--deep);
  font-weight:700;
  margin:18px 0 12px;
}
.compare-desc{
  color:var(--text-soft);
  font-size:.98rem;
  margin:0 0 12px;
}
.compact-list li{
  position:relative;
  padding:7px 0 7px 25px;
  color:var(--text);
  font-size:.9rem;
}
.compact-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:17px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--main);
}
.is-bad .compact-list li::before{
  background:#c07171;
}
.result-mark{
  margin-top:20px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--main-dark);
  font-weight:700;
  font-size:.9rem;
  background:var(--main-soft);
  border-radius:999px;
  padding:8px 16px;
}
.is-bad .result-mark{
  color:#8a4545;
  background:#fbecec;
}

.faq-layout{
  max-width:900px;
  margin:0 auto;
}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  margin:0 0 14px;
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item[open]{
  border-color:rgba(15,124,124,.35);
  box-shadow:var(--shadow-soft);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:19px 24px;
  font-weight:600;
  color:var(--deep);
  font-size:1rem;
  line-height:1.5;
  transition:color .16s ease, background .16s ease;
}
.faq-item summary::-webkit-details-marker{
  display:none;
}
.faq-item summary:hover{
  color:var(--main);
  background:#fdfbf8;
}
.faq-ic{
  width:30px;
  height:30px;
  flex:0 0 30px;
  border-radius:50%;
  border:1px solid var(--border);
  color:var(--main);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:1rem;
  transition:all .18s ease;
  background:var(--bg);
}
.faq-item[open] .faq-ic{
  background:var(--main);
  color:#fff;
  transform:rotate(180deg);
}
.faq-body{
  border-top:1px dashed var(--line);
  padding:16px 26px 22px;
  color:var(--text-soft);
  font-size:.95rem;
}
.faq-body p:last-child{
  margin-bottom:0;
}
.faq-tail{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  background:var(--panel);
  border-radius:var(--radius-lg);
  padding:20px 24px;
}
.faq-tail p{
  margin:0;
  color:var(--text);
}
.faq-tail strong{
  color:var(--deep);
}

.cta-section{
  background:linear-gradient(125deg,#102e2e,#0f7c7c);
  color:#fff;
  padding:96px 0;
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity:.1;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.cta-copy .eyebrow{
  color:var(--accent);
}
.cta-copy h2{
  font-size:clamp(1.7rem,3vw,2.3rem);
  line-height:1.3;
  margin:12px 0 16px;
  color:#fff;
}
.cta-copy p{
  color:rgba(255,255,255,.82);
  font-size:1.02rem;
  line-height:1.8;
  max-width:460px;
}
.cta-points{
  margin-top:24px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
.cta-point{
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.14);
  border-radius:14px;
  padding:14px 16px;
  font-size:.88rem;
  display:flex;
  align-items:center;
  gap:10px;
  color:rgba(255,255,255,.92);
}
.cta-point i{
  color:var(--accent);
}
.cta-form-card{
  background:#fff;
  border-radius:var(--radius-xl);
  padding:36px 32px;
  box-shadow:0 18px 40px rgba(0,0,0,.18);
  color:var(--text);
}
.cta-form-card h3{
  font-size:1.4rem;
  color:var(--deep);
  margin:0 0 6px;
}
.form-lead{
  margin:0 0 24px;
  color:var(--text-soft);
  font-size:.9rem;
}
.field{
  margin-bottom:16px;
}
.field label{
  display:block;
  font-size:.85rem;
  font-weight:600;
  color:var(--deep);
  margin-bottom:7px;
}
.input-wrap{
  position:relative;
}
.input-wrap .field-icon{
  position:absolute;
  top:16px;
  left:16px;
  color:var(--main);
  font-size:.92rem;
  pointer-events:none;
}
.input-wrap input,
.input-wrap textarea,
.input-wrap select{
  width:100%;
  border:1px solid var(--border);
  border-radius:12px;
  background:#fbf9f6;
  padding:13px 14px 13px 44px;
  color:var(--text);
  font-size:.94rem;
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.input-wrap textarea{
  resize:vertical;
  min-height:102px;
  padding-top:13px;
}
.input-wrap input:focus,
.input-wrap textarea:focus,
.input-wrap select:focus{
  outline:none;
  border-color:var(--main);
  box-shadow:0 0 0 3px rgba(15,124,124,.12);
  background:#fff;
}
.input-wrap select{
  appearance:auto;
  padding-left:44px;
}
.form-status{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:.85rem;
  font-weight:500;
  color:var(--main-dark);
  background:var(--main-soft);
  border-radius:999px;
  padding:8px 16px;
  margin-top:12px;
  opacity:0;
  transform:translateY(6px);
  transition:opacity .2s ease, transform .2s ease;
}
.form-status.is-show{
  opacity:1;
  transform:translateY(0);
}
.form-status i{
  color:var(--main);
}
.form-privacy{
  margin-top:8px;
  font-size:.8rem;
  color:var(--text-soft);
}
.btn-form{
  width:100%;
  margin-top:4px;
}

.news-sec{
  background:var(--bg);
}
.news-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:28px;
  flex-wrap:wrap;
}
.news-head-row h2{
  margin-bottom:6px;
}
.news-tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.news-tag-row a{
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:999px;
  padding:7px 15px;
  font-size:.84rem;
  color:var(--text-soft);
  font-weight:500;
  transition:all var(--ease);
}
.news-tag-row a:hover{
  border-color:var(--main);
  color:var(--main);
  background:var(--main-soft);
}
.news-area{
  scroll-margin-top:110px;
}
.news-list{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-soft);
  overflow:hidden;
}
.news-item{
  display:flex;
  align-items:center;
  gap:18px;
  padding:22px 24px;
  border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.news-item:last-child{
  border-bottom:0;
}
.news-item:hover{
  background:#fbfaf7;
}
.news-date{
  flex:0 0 74px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  background:var(--main-soft);
  border-radius:15px;
  padding:10px 6px;
  color:var(--main-dark);
  min-height:64px;
}
.news-date strong{
  font-size:1.2rem;
  line-height:1.1;
  color:var(--main);
}
.news-date span{
  font-size:.75rem;
  font-weight:500;
}
.news-main{
  flex:1;
  min-width:0;
}
.news-cat{
  display:inline-flex;
  align-items:center;
  height:22px;
  background:var(--panel);
  color:var(--main-dark);
  border-radius:99px;
  padding:0 10px;
  font-size:.76rem;
  font-weight:600;
  margin-bottom:5px;
}
.news-title{
  display:block;
  font-size:1rem;
  font-weight:700;
  color:var(--deep);
  line-height:1.5;
  margin-bottom:4px;
  overflow:hidden;
  text-overflow:ellipsis;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  transition:color .16s ease;
}
.news-title:hover{
  color:var(--main);
}
.news-summary{
  color:var(--text-soft);
  font-size:.87rem;
  margin:0;
  line-height:1.6;
  overflow:hidden;
  text-overflow:ellipsis;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
}
.news-read{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--main);
  font-weight:600;
  font-size:.9rem;
  border:1px solid transparent;
  padding:8px 2px;
  transition:color .16s ease, gap .16s ease;
}
.news-read:hover{
  color:var(--main-dark);
  gap:12px;
}
.news-empty{
  text-align:center;
  padding:74px 24px;
  background:#fff;
}
.news-empty i{
  font-size:2.6rem;
  color:#dfe8e7;
  margin-bottom:14px;
}
.news-empty p{
  font-size:1.05rem;
  color:var(--text-soft);
  margin:8px 0 4px;
  font-weight:500;
}
.news-empty span{
  font-size:.86rem;
  color:#9aadaa;
}

.site-footer{
  background:#122a2a;
  color:rgba(255,255,255,.74);
  padding:70px 0 26px;
  font-size:.93rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .7fr .9fr 1fr;
  gap:40px;
}
.footer-brand .brand-logo{
  color:#fff;
  margin-bottom:14px;
}
.footer-brand .logo-text strong{
  color:#fff;
}
.footer-brand .logo-text em{
  color:var(--accent);
}
.footer-about{
  line-height:1.8;
  max-width:360px;
  margin-bottom:18px;
}
.footer-socials{
  display:flex;
  gap:8px;
}
.footer-socials a{
  width:36px;
  height:36px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);
  color:rgba(255,255,255,.82);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:all var(--ease);
}
.footer-socials a:hover{
  background:var(--accent);
  color:#172c2c;
  border-color:var(--accent);
  transform:translateY(-2px);
}
.footer-title{
  color:#fff;
  font-size:1rem;
  font-weight:700;
  margin:0 0 16px;
}
.footer-links li{
  margin-bottom:10px;
}
.footer-links a{
  display:inline-flex;
  align-items:center;
  gap:7px;
  text-decoration:none;
  transition:color .16s ease;
}
.footer-links a::before{
  content:"";
  width:5px;
  height:5px;
  background:var(--accent);
  border-radius:50%;
}
.footer-links a:hover{
  color:var(--accent);
}
.footer-notes li{
  padding:6px 0 6px 24px;
  position:relative;
  color:rgba(255,255,255,.68);
  line-height:1.75;
}
.footer-notes li::before{
  content:"";
  position:absolute;
  left:4px;
  top:16px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:#4f9b91;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  margin-top:46px;
  padding-top:22px;
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:.82rem;
  color:rgba(255,255,255,.5);
}
@media screen and (max-width:1023.98px){
  .brand-tools .tool-btn span{
    display:none;
  }
  .channel-bar{
    display:none;
  }
  .mobile-menu-btn{
    display:inline-flex;
  }
  .section{
    padding:70px 0;
  }
  .process-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .metric-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .hero{
    padding:70px 0 56px;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:36px 24px;
  }
  .cta-inner{
    grid-template-columns:1fr;
    gap:32px;
  }
  .cta-copy p{
    max-width:none;
  }
  .focus-content{
    padding-left:0;
    margin-top:32px;
  }
  .quick-strip{
    grid-template-columns:repeat(2,1fr);
  }
}
@media screen and (max-width:767.98px){
  body{
    font-size:.955rem;
  }
  .container{
    padding-left:18px;
    padding-right:18px;
  }
  .section{
    padding:60px 0;
  }
  .brand-row{
    padding:10px 0;
  }
  .brand-logo{
    font-size:1.2rem;
  }
  .logo-badge{
    width:38px;
    height:38px;
    font-size:1rem;
  }
  .brand-tools .tool-btn{
    width:38px;
    height:38px;
    padding:0;
    justify-content:center;
  }
  .tool-btn span{
    display:none;
  }
  .locale-pill{
    display:none;
  }
  .hero{
    padding:52px 0 42px;
  }
  .hero h1{
    font-size:1.8rem;
  }
  .hero-actions .btn{
    width:100%;
  }
  .metric-panel{
    margin-top:28px;
  }
  .metric-card{
    min-height:112px;
    padding:14px 12px;
  }
  .metric-num{
    font-size:1.9rem;
  }
  .matrix-grid,
  .compare-grid{
    grid-template-columns:1fr;
  }
  .process-grid{
    grid-template-columns:1fr;
  }
  .news-item{
    flex-direction:row;
    flex-wrap:wrap;
    gap:12px 16px;
    padding:18px;
  }
  .news-date{
    flex-basis:64px;
    min-height:56px;
  }
  .news-main{
    flex:1 1 170px;
    min-width:0;
  }
  .news-read{
    padding-left:0;
    font-size:.83rem;
  }
  .section-title{
    font-size:1.5rem;
  }
  .cta-section{
    padding:60px 0;
  }
  .cta-form-card{
    padding:26px 18px;
  }
  .faq-tail{
    flex-direction:column;
    align-items:flex-start;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:32px;
  }
  .footer-bottom{
    flex-direction:column;
  }
  .cta-points{
    grid-template-columns:1fr;
  }
  .quick-strip{
    grid-template-columns:1fr 1fr;
    gap:10px;
  }
  .quick-chip{
    font-size:.78rem;
    padding:9px 8px;
  }
}
@media screen and (max-width:520px){
  .hero-actions .btn{
    width:100%;
  }
  .section-head{
    margin-bottom:36px;
  }
  .visual-frame img{
    aspect-ratio:4/3;
  }
  .news-item{
    flex-direction:column;
    align-items:flex-start;
  }
  .news-read{
    margin-top:2px;
    padding:0;
  }
}

/* roulang page: article */
:root{
  --main-color:#0F7C7C;
  --main-hover:#0c6666;
  --main-soft:#e5f2f0;
  --accent:#F6B84B;
  --accent-deep:#d99a26;
  --deep-ink:#173a3a;
  --ink-soft:#4a605e;
  --muted:#7b8d89;
  --paper:#FAF8F4;
  --surface:#ffffff;
  --sand:#F2EDE6;
  --line:#ebe3d8;
  --line-soft:#efeae2;
  --radius-lg:20px;
  --radius-sm:12px;
  --radius-cap:40px;
  --shadow-sm:0 4px 14px rgba(15,80,80,.08),0 0 0 1px rgba(15,80,80,.03);
  --shadow-md:0 12px 30px rgba(15,80,80,.12),0 0 0 1px rgba(15,80,80,.05);
  --shadow-hover:0 18px 40px rgba(15,80,80,.16);
  --container-w:1200px;
  --read-w:780px;
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--deep-ink);font-family:var(--font);line-height:1.7;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:all .2s ease}
a:hover{color:var(--main-color)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0}
.container{max-width:var(--container-w);margin:0 auto;padding-left:20px;padding-right:20px}
:focus-visible{outline:2px solid var(--main-color);outline-offset:3px;border-radius:4px}
::selection{background:var(--accent);color:var(--deep-ink)}
h1,h2,h3,h4{line-height:1.25;font-weight:700;margin:0 0 14px}
p{margin:0 0 16px}

/* ===== 顶部品牌行 ===== */
.site-header{position:relative;z-index:60;background:var(--surface)}
.site-topbar{border-bottom:1px solid var(--line-soft)}
.topbar-flex{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.brand-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-badge{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(145deg,var(--main-color),#0b5c5c);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;box-shadow:0 6px 16px rgba(15,124,124,.24);
}
.logo-text{display:flex;flex-direction:row;align-items:baseline;font-size:1.1rem;gap:4px;letter-spacing:.01em}
.logo-text strong{color:var(--main-color);font-weight:800}
.logo-text em{font-style:normal;color:var(--deep-ink);font-weight:500}
.topbar-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.locale-pill{align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:30px;padding:6px 13px;font-size:13px;font-weight:500;color:var(--ink-soft);display:inline-flex;gap:7px}
.topbar-contact{display:inline-flex;align-items:center;gap:8px;background:var(--main-color);color:#fff;border-radius:30px;padding:8px 18px;font-size:14px;font-weight:600}
.topbar-contact:hover{background:var(--main-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.drawer-toggle{display:none;align-items:center;gap:8px;background:var(--paper);border:1px solid var(--line);border-radius:34px;padding:8px 15px;color:var(--deep-ink);font-weight:600;font-size:14px;cursor:pointer}
.drawer-toggle:hover{background:var(--main-soft)}

/* ===== 频道导航栏 ===== */
.channel-bar{background:var(--sand);border-bottom:1px solid var(--line)}
.nav-flex{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:56px}
.channel-menu{list-style:none;display:flex;align-items:center;gap:2px}
.channel-menu li{margin:0}
.channel-menu a{
  display:block;padding:14px 16px;font-size:15px;font-weight:500;color:var(--ink-soft);position:relative;
}
.channel-menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--main-color);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.channel-menu a:hover{color:var(--main-color);background:rgba(255,255,255,.55)}
.channel-menu a:hover::after{transform:scaleX(1)}
.channel-menu a.active{color:var(--main-color);font-weight:700}
.channel-menu a.active::after{transform:scaleX(1)}
.channel-menu .quick-ask{
  background:var(--accent);color:var(--deep-ink);border-radius:36px;padding:8px 16px;margin-left:10px;display:inline-flex;align-items:center;gap:7px;font-weight:700;
}
.channel-menu .quick-ask::after{display:none}
.channel-menu .quick-ask:hover{background:var(--accent-deep);transform:translateY(-1px);color:var(--deep-ink);box-shadow:var(--shadow-sm)}
.channel-menu .quick-ask i{font-size:14px}

/* 抽屉遮罩与面板 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,58,58,.48);z-index:90;
  opacity:0;visibility:hidden;transition:all .3s ease;
}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,340px);
  background:var(--surface);z-index:100;box-shadow:var(--shadow-hover);
  transform:translateX(101%);transition:transform .35s ease;
  display:flex;flex-direction:column;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px;border-bottom:1px solid var(--line-soft)}
.drawer-head .brand{font-weight:800;color:var(--main-color);font-size:18px}
.drawer-head small{display:block;font-size:11px;color:var(--muted);font-weight:400;letter-spacing:.08em;text-transform:uppercase;margin-top:2px}
.drawer-close{background:var(--paper);border:1px solid var(--line);border-radius:26px;width:36px;height:36px;color:var(--deep-ink);font-size:15px;cursor:pointer}
.drawer-close:hover{background:var(--main-soft)}
.drawer-nav{padding:16px 10px;overflow-y:auto}
.drawer-nav ul{list-style:none}
.drawer-nav a{display:block;padding:12px 14px;border-radius:12px;color:var(--ink-soft);font-weight:600;font-size:15px}
.drawer-nav a:hover{background:var(--main-soft);color:var(--main-color)}
.drawer-nav a.active{background:var(--main-soft);color:var(--main-color)}
.drawer-nav .drawer-caption{font-size:12px;color:var(--muted);padding:8px 14px 4px;letter-spacing:.04em}
.drawer-help{margin-top:auto;padding:18px}
.drawer-help a{display:block;text-align:center;background:var(--accent);color:var(--deep-ink);border-radius:30px;padding:10px;font-weight:600}
body.nav-open .drawer-mask{opacity:1;visibility:visible}
body.nav-open .mobile-drawer{transform:translateX(0)}

/* ===== 文章 Hero ===== */
.article-hero{
  background:
    linear-gradient(135deg,rgba(20,72,72,.96) 0%,rgba(15,124,124,.9) 60%,rgba(23,58,58,.94) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#ffffff;padding:74px 0 80px;position:relative;overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(246,184,75,.2),transparent 70%);right:-80px;top:-100px;pointer-events:none;
}
.article-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:26px}
.crumb a{color:rgba(255,255,255,.84);border-bottom:1px dashed rgba(255,255,255,.3)}
.crumb a:hover{color:#fff;border-color:#fff}
.crumb i{font-size:10px;opacity:.6}
.article-kicker{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px}
.article-kicker .pill{display:inline-flex;align-items:center;gap:6px;border-radius:30px;padding:5px 13px;font-size:13px;font-weight:600;backdrop-filter:blur(4px)}
.article-kicker .pill-cyan{background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.28)}
.article-kicker .pill-gold{background:var(--accent);color:var(--deep-ink);border:0}
.article-hero h1.article-page-title{
  font-size:clamp(2rem,5vw,3.15rem);
  line-height:1.2;font-weight:800;color:#fff;margin:0 0 20px;max-width:900px;
  letter-spacing:-.01em;
}
.article-lead{font-size:18px;color:rgba(255,255,255,.82);max-width:760px;margin:0 0 26px;line-height:1.8}
.meta-list{display:flex;flex-wrap:wrap;gap:12px 28px;margin:0;padding-top:6px}
.meta-list .meta-item{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.75)}
.meta-list i{color:var(--accent);font-size:14px;width:18px;text-align:center}
.meta-list strong{color:#fff;font-weight:600}

/* ===== 文章主体容器 ===== */
.article-main{position:relative;z-index:5;margin-top:-34px}
.article-surface{
  background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);
  padding:42px 48px;margin-bottom:28px;
}
.article-cover{margin:-42px -48px 36px;position:relative;border-radius:var(--radius-lg) var(--radius-lg) 0 0;overflow:hidden}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}
.article-cover::after{content:"";position:absolute;inset:auto 0 0 0;height:120px;background:linear-gradient(transparent,rgba(23,58,58,.26))}

/* prose 文章阅读区 */
.article-prose{max-width:var(--read-w);margin:0 auto;color:#344440;font-size:1.125rem;line-height:1.9}
.article-prose > *:first-child{margin-top:0}
.article-prose h1,.article-prose h2,.article-prose h3,.article-prose h4{color:var(--deep-ink);margin-top:2em;scroll-margin-top:90px}
.article-prose h2{font-size:1.7rem;font-weight:800;padding-bottom:10px;border-bottom:1px solid var(--line-soft);margin-bottom:24px}
.article-prose h3{font-size:1.32rem;font-weight:700}
.article-prose p{margin-bottom:1.35em}
.article-prose a{color:var(--main-color);font-weight:600;border-bottom:1px solid transparent}
.article-prose a:hover{border-bottom-color:var(--main-color)}
.article-prose ul,.article-prose ol{margin:0 0 1.4em;padding-left:1.35em}
.article-prose li{margin-bottom:.55em}
.article-prose blockquote{
  margin:2em 0;padding:18px 22px;background:var(--main-soft);border-left:4px solid var(--main-color);
  color:var(--ink-soft);border-radius:0 14px 14px 0;
}
.article-prose blockquote p{margin-bottom:0}
.article-prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;display:block;overflow-x:auto}
.article-prose th,.article-prose td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-prose th{background:var(--paper);font-weight:700;color:var(--deep-ink)}
.article-prose img{border-radius:14px;margin:1.6em 0}
.article-prose figcaption{text-align:center;color:var(--muted);font-size:13px;margin:-0.8em 0 1.6em}
.article-prose hr{border:0;border-top:1px dashed var(--line);margin:2.4em 0}

/* 无文章空态 */
.empty-content{max-width:720px;margin:0 auto;text-align:center;padding:60px 20px}
.empty-icon{
  width:76px;height:76px;border-radius:24px;margin:0 auto 22px;
  background:linear-gradient(135deg,var(--main-soft),var(--paper));
  display:flex;align-items:center;justify-content:center;font-size:30px;color:var(--main-color);
}
.empty-content h2{font-size:28px;font-weight:800}
.empty-content p{color:var(--muted);max-width:420px;margin:0 auto 26px}
.btn-return{
  display:inline-flex;align-items:center;gap:9px;border-radius:40px;padding:12px 24px;
  background:var(--main-color);color:#fff;font-weight:700;box-shadow:var(--shadow-sm);cursor:pointer;
}
.btn-return:hover{background:var(--main-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}

/* 文章底部操作条 */
.article-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  border-top:1px dashed var(--line);padding-top:24px;margin-top:34px;flex-wrap:wrap;
}
.footer-note{font-size:13px;color:var(--muted)}
.article-actions{display:flex;flex-wrap:wrap;gap:10px}
.action-btn{
  display:inline-flex;align-items:center;gap:8px;border-radius:40px;padding:9px 17px;
  font-size:14px;font-weight:600;background:var(--paper);color:var(--ink-soft);
  border:1px solid var(--line);transition:all .25s ease;cursor:pointer;
}
.action-btn:hover{background:var(--main-soft);color:var(--main-color);border-color:var(--main-color);transform:translateY(-2px)}
.action-btn i{width:14px}
.action-btn.primary{background:var(--main-color);color:#fff;border-color:var(--main-color)}
.action-btn.primary:hover{background:var(--main-hover)}

/* 相关推荐 */
.related-area{background:var(--surface);padding:62px 0 0}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-label{display:inline-flex;align-items:center;gap:7px;background:var(--main-soft);border-radius:30px;padding:5px 13px;color:var(--main-color);font-size:13px;font-weight:700;margin-bottom:12px}
.related-head h2{font-size:2rem;font-weight:800;letter-spacing:-.02em;margin:0}
.related-sub{color:var(--muted);font-size:15px;max-width:560px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.related-card{
  background:var(--paper);border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,background .25s ease;position:relative;
}
.related-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);background:#fff}
.related-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--main-color);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.related-card:hover::before{transform:scaleX(1)}
.related-thumb{height:150px;background:linear-gradient(140deg,#cfe5e2,#f8e9cc);display:flex;align-items:center;justify-content:center;color:var(--main-color);font-size:36px}
.related-card:nth-child(1) .related-thumb{background:linear-gradient(140deg,#cfe5e2,#f0f7f5)}
.related-card:nth-child(2) .related-thumb{background:linear-gradient(140deg,#f6e7c8,#faf3e5)}
.related-card:nth-child(3) .related-thumb{background:linear-gradient(140deg,#cfe5e2,#d9f0ee)}
.related-card:nth-child(1) .related-thumb{background-image:url('/assets/images/coverpic/cover-2.webp');background-size:cover;background-position:center}
.related-card:nth-child(2) .related-thumb{background-image:url('/assets/images/coverpic/cover-6.png');background-size:cover;background-position:center}
.related-card:nth-child(3) .related-thumb{background-image:url('/assets/images/coverpic/cover-9.png');background-size:cover;background-position:center}
.related-body{padding:22px 20px 20px}
.related-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted);margin-bottom:8px}
.related-meta .type{background:var(--paper);border:1px solid var(--line);padding:2px 9px;border-radius:30px;color:var(--ink-soft)}
.related-card h3{font-size:17px;margin-bottom:8px}
.related-card h3 a{color:var(--deep-ink)}
.related-card h3 a:hover{color:var(--main-color)}
.related-card p{font-size:14px;color:var(--muted);line-height:1.65;margin-bottom:12px}
.related-go{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--main-color);font-weight:700}

/* CTA 引导区 */
.cta-slim{background:var(--deep-ink);padding:54px 0;border-radius:0;position:relative;overflow:hidden}
.cta-slim::after{content:"";position:absolute;right:-60px;bottom:-100px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(246,184,75,.22),transparent 70%)}
.cta-flex{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;position:relative;z-index:2}
.cta-copy h2{color:#fff;font-size:clamp(1.7rem,3vw,2.2rem);margin-bottom:8px}
.cta-copy p{color:rgba(255,255,255,.72);font-size:16px;margin:0;max-width:620px}
.cta-copy p i{color:var(--accent);margin-right:6px}
.cta-btn{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:10px;
  background:var(--accent);color:var(--deep-ink);font-weight:800;font-size:16px;
  padding:13px 26px;border-radius:44px;box-shadow:0 10px 30px rgba(246,184,75,.18);
  transition:all .25s ease;
}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(246,184,75,.3);color:var(--deep-ink)}
.cta-btn i{font-size:14px}

/* 页脚 */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:58px 0 0;margin-top:70px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:34px;padding-bottom:34px}
.footer-brand .brand-logo{margin-bottom:16px}
.brand-logo .logo-badge{width:34px;height:34px;font-size:14px;border-radius:10px}
.brand-logo .logo-text{font-size:1rem}
.footer-about{font-size:14px;color:var(--muted);line-height:1.75;margin:0 0 18px;max-width:340px}
.footer-socials{display:flex;gap:10px}
.footer-socials a{
  width:36px;height:36px;border-radius:50%;background:var(--paper);border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-soft);
}
.footer-socials a:hover{background:var(--main-soft);color:var(--main-color);transform:translateY(-2px);border-color:var(--main-color)}
.footer-title{font-size:16px;font-weight:700;margin-bottom:16px;color:var(--deep-ink)}
.footer-links{list-style:none}
.footer-links li{margin-bottom:9px}
.footer-links a{color:var(--ink-soft);font-size:14px;position:relative;display:inline-block}
.footer-links a:hover{color:var(--main-color);padding-left:4px}
.footer-notes{list-style:none}
.footer-notes li{color:var(--muted);font-size:14px;padding-left:16px;position:relative;margin-bottom:9px}
.footer-notes li::before{content:"›";position:absolute;left:2px;color:var(--main-color);font-weight:700}
.footer-bottom{
  border-top:1px solid var(--line-soft);padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);flex-wrap:wrap;gap:10px;
}

/* ===== 响应式 ===== */
@media screen and (max-width:1023.98px){
  .site-topbar .drawer-toggle{display:inline-flex}
  .topbar-contact,.locale-pill{display:none}
  .topbar-flex{min-height:58px}
  .channel-bar.site-nav-desktop{display:none}
  .article-hero{padding:58px 0 72px}
  .article-main{margin-top:-22px}
  .article-surface{padding:32px 26px}
  .article-cover{margin:-32px -26px 30px}
  .article-cover img{aspect-ratio:16/9}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-flex{gap:24px}
}
@media screen and (max-width:767.98px){
  .topbar-flex{min-height:56px;gap:12px}
  .logo-badge{width:32px;height:32px;font-size:14px;border-radius:9px}
  .logo-text{font-size:.95rem}
  .article-hero{padding:42px 0 58px}
  .article-hero h1.article-page-title{font-size:1.85rem;letter-spacing:0;margin-bottom:16px}
  .article-lead{font-size:15px;line-height:1.7}
  .crumb{font-size:12px;margin-bottom:18px}
  .meta-list{gap:10px 16px}
  .meta-list .meta-item{font-size:13px}
  .article-main{margin-top:-14px}
  .article-surface{padding:24px 16px;border-radius:16px}
  .article-cover{margin:-24px -16px 20px;border-radius:16px 16px 0 0}
  .article-cover img{aspect-ratio:4/3}
  .article-prose{font-size:16px;line-height:1.8}
  .article-prose h2{font-size:1.4rem}
  .article-prose h3{font-size:1.2rem}
  .article-prose blockquote{padding:14px 16px;font-size:15px}
  .empty-content{padding:36px 10px}
  .article-toolbar{flex-direction:column;align-items:stretch}
  .article-actions{flex-direction:column}
  .action-btn{justify-content:center}
  .related-area{padding-top:48px}
  .related-head{flex-direction:column;align-items:flex-start}
  .related-head h2{font-size:1.6rem}
  .related-grid{grid-template-columns:1fr}
  .related-thumb{height:150px}
  .cta-slim{padding:40px 0}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;font-size:13px}
  .channel-menu .quick-ask{margin-left:0}
}
@media screen and (max-width:479.98px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{gap:6px}
}

/* roulang page: category1 */
:root {
      --teal: #0F7C7C;
      --teal-deep: #0A5C5C;
      --teal-soft: #DCEFED;
      --gold: #F6B84B;
      --gold-soft: #FBEBC8;
      --ink: #173A3A;
      --text: #2B4A47;
      --muted: #667D7A;
      --paper: #FAF8F4;
      --paper-deep: #F2EDE6;
      --line: #E7DED2;
      --white: #FFFFFF;
      --r-lg: 20px;
      --r-md: 12px;
      --r-sm: 8px;
      --r-pill: 40px;
      --shadow-sm: 0 6px 18px rgba(23, 58, 58, .06);
      --shadow-md: 0 16px 36px rgba(23, 58, 58, .1);
      --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      background: var(--paper);
      color: var(--text);
      line-height: 1.75;
      font-size: 1rem;
      -webkit-font-smoothing: antialiased;
    }

    img {
      max-width: 100%;
      display: block;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all .2s ease;
    }

    button,
    input {
      font-family: inherit;
      font-size: inherit;
    }

    h1,
    h2,
    h3,
    h4 {
      color: var(--ink);
      line-height: 1.3;
      margin: 0 0 .45em;
      font-weight: 700;
    }

    h1 {
      font-size: 2.9rem;
      letter-spacing: -.01em;
    }

    h2 {
      font-size: 2.1rem;
      letter-spacing: -.01em;
    }

    h3 {
      font-size: 1.31rem;
    }

    p {
      margin: 0 0 1rem;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 1.25rem;
    }

    .nav-flex {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .site-section {
      padding: 94px 0;
      position: relative;
    }

    .section-soft {
      background: var(--paper-deep);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 60;
      background: var(--paper);
      box-shadow: 0 6px 24px rgba(23, 58, 58, .06);
    }

    .header-brand {
      border-bottom: 1px solid rgba(23, 58, 58, .05);
    }

    .header-brand .nav-flex {
      min-height: 76px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .logo-badge {
      width: 40px;
      height: 40px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--teal);
      color: #fff;
      border-radius: 50%;
      font-size: 1.1rem;
      box-shadow: 0 0 0 4px var(--teal-soft);
    }

    .logo-text {
      display: inline-flex;
      align-items: baseline;
    }

    .logo-text strong {
      font-size: 1.55rem;
      font-weight: 900;
      color: var(--teal);
      letter-spacing: -.02em;
    }

    .logo-text em {
      font-style: normal;
      font-size: 1rem;
      font-weight: 700;
      color: var(--ink);
      margin-left: 6px;
      background: var(--gold);
      padding: 3px 10px;
      border-radius: 999px;
    }

    .header-tools {
      margin-left: auto;
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .header-tools .tool-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--text);
      font-size: .9rem;
      font-weight: 600;
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 8px 16px;
      box-shadow: var(--shadow-sm);
    }

    .header-tools .tool-link:hover {
      border-color: var(--teal);
      color: var(--teal);
    }

    .header-tools .lang-chip {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: .9rem;
      color: var(--ink);
      padding: 8px 14px;
      background: var(--paper-deep);
      border-radius: 999px;
      white-space: nowrap;
    }

    .channel-bar {
      background: var(--paper-deep);
      border-bottom: 1px solid var(--line);
    }

    .channel-bar .nav-flex {
      min-height: 54px;
    }

    .channel-menu {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      align-items: center;
      gap: 2px;
      width: 100%;
    }

    .channel-menu li {
      flex-shrink: 0;
    }

    .channel-menu a {
      display: inline-block;
      padding: 12px 14px 10px;
      border-radius: 6px 6px 0 0;
      font-size: .95rem;
      font-weight: 500;
      color: #415B59;
      position: relative;
    }

    .channel-menu a:hover {
      color: var(--teal);
      background: rgba(15, 124, 124, .05);
    }

    .channel-menu a.active {
      color: var(--teal);
      font-weight: 700;
    }

    .channel-menu a.active::after {
      content: "";
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: -1px;
      height: 2px;
      border-radius: 2px;
      background: var(--teal);
    }

    .channel-menu a.quick-ask {
      margin-left: auto;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--teal);
      color: #fff;
      padding: 9px 18px;
      border-radius: 999px;
      font-weight: 600;
      border: none;
    }

    .channel-menu a.quick-ask:hover {
      background: var(--teal-deep);
      transform: translateY(-1px);
      box-shadow: var(--shadow-sm);
    }

    .category-hero {
      padding: 82px 0 78px;
      background: linear-gradient(126deg, #EDF4F1 0%, #FCF8F2 46%, #EEF4EF 100%);
      border-bottom: 1px solid var(--line);
      overflow: hidden;
    }

    .category-hero .eyebrow-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 700;
      font-size: .84rem;
      letter-spacing: .04em;
      color: var(--teal);
      background: var(--white);
      border: 1px solid #C8E2DC;
      border-radius: 999px;
      padding: 6px 14px;
      margin-bottom: 18px;
    }

    .category-hero h1 {
      max-width: 12em;
      margin-bottom: 18px;
    }

    .category-hero .hero-lead {
      font-size: 1.09rem;
      max-width: 42rem;
      color: #355654;
      line-height: 1.85;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      border-radius: 999px;
      padding: 13px 24px;
      background: var(--teal);
      color: #fff;
      font-weight: 700;
      border: none;
      cursor: pointer;
      line-height: 1.2;
      min-height: 48px;
      transition: all .2s ease;
      box-shadow: 0 10px 24px rgba(15, 124, 124, .18);
    }

    .btn-primary:hover {
      background: var(--teal-deep);
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(15, 124, 124, .24);
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      background: transparent;
      border: 1px solid var(--teal);
      color: var(--teal);
      border-radius: 999px;
      padding: 12px 22px;
      font-weight: 700;
      min-height: 48px;
      transition: all .2s ease;
    }

    .btn-outline:hover {
      background: var(--teal-soft);
      color: var(--teal-deep);
    }

    .stat-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .stat-cell {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: var(--r-lg);
      padding: 18px 16px;
      box-shadow: var(--shadow-sm);
    }

    .stat-cell strong {
      display: block;
      font-size: 1.9rem;
      line-height: 1.1;
      color: var(--teal);
      letter-spacing: -.02em;
    }

    .stat-cell span {
      font-size: .87rem;
      color: var(--muted);
    }

    .topic-toc {
      background: var(--paper-deep);
      border-bottom: 1px solid var(--line);
    }

    .toc-inner {
      display: flex;
      align-items: center;
      gap: 16px;
      min-height: 56px;
      flex-wrap: wrap;
    }

    .toc-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 700;
      color: var(--ink);
    }

    .toc-links {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
    }

    .toc-links a {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 5px 13px;
      font-size: .88rem;
      color: var(--text);
    }

    .toc-links a:hover {
      border-color: var(--teal);
      color: var(--teal);
    }

    .section-title-row {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      gap: 20px;
      margin-bottom: 38px;
    }

    .section-title-row h2 {
      max-width: 13em;
    }

    .section-sub {
      color: var(--muted);
      max-width: 46rem;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--teal);
      font-weight: 700;
      font-size: .8rem;
      letter-spacing: .16em;
    }

    .section-side {
      color: var(--muted);
      font-size: .92rem;
      white-space: nowrap;
    }

    .guide-list {
      display: grid;
      gap: 14px;
      margin-top: 8px;
    }

    .guide-row {
      display: grid;
      grid-template-columns: 56px minmax(0, 1fr) auto;
      gap: 22px;
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 22px 24px;
      position: relative;
      transition: all .2s ease;
      overflow: hidden;
    }

    .guide-row::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 4px;
      background: var(--teal);
      opacity: 0;
      transition: all .15s ease;
    }

    .guide-row:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
      border-color: #D3E4DF;
    }

    .guide-row:hover::before {
      opacity: 1;
    }

    .row-count {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: var(--teal-soft);
      color: var(--teal);
      font-weight: 900;
      font-size: 1.05rem;
      margin-top: 4px;
    }

    .guide-content h3 {
      font-size: 1.16rem;
      margin-bottom: 6px;
    }

    .guide-content p {
      margin-bottom: 0;
      color: var(--muted);
      max-width: 46rem;
    }

    .guide-tags {
      display: flex;
      align-items: flex-start;
      justify-content: flex-end;
      gap: 8px;
      flex-wrap: wrap;
    }

    .tag {
      background: var(--paper-deep);
      color: var(--ink);
      border-radius: 999px;
      font-size: .82rem;
      font-weight: 600;
      padding: 5px 12px;
      display: inline-flex;
    }

    .tag-teal {
      background: var(--teal-soft);
      color: var(--teal-deep);
    }

    .tag-gold {
      background: var(--gold-soft);
      color: #916A1F;
    }

    #sceneSection .grid-padding-x {
      align-items: center;
    }

    .scene-figure {
      margin: 0;
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 24px;
      padding: 8px;
      box-shadow: var(--shadow-md);
      height: 100%;
    }

    .scene-figure img {
      width: 100%;
      height: 320px;
      object-fit: cover;
      border-radius: 18px;
    }

    .scene-figure figcaption {
      padding: 16px 10px 8px;
      color: var(--muted);
      font-size: .94rem;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .cmp-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .cmp-card {
      border-radius: var(--r-lg);
      padding: 24px;
      border: 1px solid var(--line);
    }

    .cmp-card.cmp-good {
      background: var(--white);
    }

    .cmp-card.cmp-dark {
      background: var(--ink);
      border-color: var(--ink);
      color: #CFDFDC;
    }

    .cmp-card h3 {
      font-size: 1.08rem;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--ink);
    }

    .cmp-dark h3 {
      color: #F9F7F0;
    }

    .cmp-card ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .cmp-card li {
      position: relative;
      padding-left: 22px;
      margin-bottom: 10px;
      line-height: 1.65;
    }

    .cmp-card li::before {
      content: "\2022";
      position: absolute;
      left: 4px;
      color: var(--gold);
      font-weight: 900;
    }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .step-card {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: var(--r-lg);
      padding: 24px 20px;
      box-shadow: var(--shadow-sm);
    }

    .step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 12px;
      background: var(--ink);
      color: var(--gold);
      font-weight: 800;
      font-size: .95rem;
      margin-bottom: 14px;
    }

    .step-card h3 {
      font-size: 1.06rem;
    }

    .step-card p {
      color: var(--muted);
      font-size: .93rem;
      margin-bottom: 0;
    }

    .step-icon {
      font-size: 1.4rem;
      color: var(--teal);
      margin-bottom: 8px;
    }

    #faqSection {
      background: var(--paper);
    }

    .faq-list {
      max-width: 920px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 16px;
      margin-bottom: 12px;
      transition: all .2s ease;
    }

    .faq-item:hover {
      border-color: #CBDDD8;
      box-shadow: var(--shadow-sm);
    }

    .faq-item summary {
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 20px 24px;
      cursor: pointer;
      font-weight: 700;
      color: var(--ink);
      font-size: 1.03rem;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      border: 1px solid var(--teal);
      color: var(--teal);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: all .2s ease;
      flex-shrink: 0;
    }

    .faq-item[open] summary .faq-icon {
      transform: rotate(45deg);
      background: var(--teal);
      color: #fff;
    }

    .faq-a {
      padding: 0 26px 22px;
      color: var(--muted);
      max-width: 46rem;
    }

    .faq-item[open] .faq-a {
      border-top: 1px solid #F0E9DF;
      padding-top: 16px;
    }

    .rel-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }

    .rel-card {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: var(--r-lg);
      padding: 12px 18px 12px 12px;
      display: flex;
      align-items: center;
      gap: 16px;
      min-height: 130px;
      transition: all .2s ease;
      height: 100%;
    }

    .rel-card:hover {
      transform: translateY(-3px);
      border-color: #CBDDD8;
      box-shadow: var(--shadow-md);
    }

    .rel-thumb {
      width: 118px;
      height: 92px;
      flex: 0 0 auto;
      border-radius: 14px;
      overflow: hidden;
      background: linear-gradient(135deg, var(--teal-soft), var(--gold-soft));
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--teal);
      font-size: 1.6rem;
    }

    .rel-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .rel-info strong {
      display: block;
      color: var(--ink);
      font-size: 1.06rem;
      margin-bottom: 4px;
    }

    .rel-info span {
      color: var(--muted);
      font-size: .9rem;
      line-height: 1.6;
      display: block;
    }

    .cta-band {
      background-image: linear-gradient(rgba(23, 58, 58, .88), rgba(15, 124, 124, .82)), url("/assets/images/backpic/back-1.webp");
      background-size: cover;
      background-position: center;
      padding: 100px 0;
    }

    .cta-intro {
      color: #fff;
    }

    .cta-intro h2 {
      color: #fff;
      font-size: 2rem;
      margin-bottom: 14px;
    }

    .cta-intro p {
      opacity: .86;
      color: #E4F0EE;
      max-width: 32rem;
    }

    .cta-list {
      list-style: none;
      margin: 22px 0 0;
      padding: 0;
    }

    .cta-list li {
      position: relative;
      padding-left: 26px;
      margin-bottom: 10px;
      color: #F5F1E7;
    }

    .cta-list li i {
      position: absolute;
      left: 0;
      top: 4px;
      color: var(--gold);
    }

    .cta-form-card {
      background: var(--white);
      border-radius: 24px;
      padding: 32px;
      box-shadow: 0 24px 60px rgba(7, 30, 28, .28);
    }

    .cta-form-card h3 {
      font-size: 1.4rem;
      margin-bottom: 4px;
    }

    .cta-form-card .form-tip {
      color: var(--muted);
      font-size: .9rem;
      margin-bottom: 22px;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .field-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .field-group.full {
      grid-column: 1 / -1;
    }

    .field-group label {
      font-size: .92rem;
      font-weight: 600;
      color: var(--ink);
    }

    .field-group input {
      height: 48px;
      padding: 0 16px;
      background: #FDFBF8;
      border: 1px solid var(--line);
      border-radius: 14px;
      color: var(--ink);
      width: 100%;
      outline: none;
      transition: all .2s ease;
    }

    .field-group input:focus {
      border-color: var(--teal);
      box-shadow: 0 0 0 3px var(--teal-soft);
    }

    .cta-form-card .btn-primary {
      width: 100%;
      margin-top: 20px;
    }

    .form-feedback {
      margin-top: 16px;
      font-size: .9rem;
      font-weight: 600;
      color: var(--teal);
      display: none;
      border-radius: 999px;
      background: var(--teal-soft);
      padding: 8px 15px;
    }

    .form-feedback.show {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .field-error {
      display: none;
      margin-top: 4px;
      font-size: .84rem;
      color: #b65741;
      background: #FCEDE8;
      border-radius: 999px;
      padding: 3px 12px;
      align-self: flex-start;
    }

    .field-group.invalid .field-error {
      display: inline-block;
    }

    .field-group.invalid input {
      border-color: #D9947E;
    }

    .site-footer {
      background: var(--ink);
      color: #B8CBC8;
      padding: 78px 0 22px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2.2fr 1fr 1fr 1fr;
      gap: 44px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255, 255, 255, .08);
    }

    .site-footer .brand-logo .logo-text strong {
      color: #57C7C0;
    }

    .site-footer .brand-logo .logo-text em {
      background: rgba(246, 184, 75, .18);
      color: #F9DD9E;
    }

    .footer-about {
      color: #9CB4AF;
      font-size: .93rem;
      line-height: 1.8;
      max-width: 30rem;
      margin-top: 18px;
    }

    .footer-socials {
      display: flex;
      gap: 8px;
      margin-top: 18px;
    }

    .footer-socials a {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      border: 1px solid rgba(255, 255, 255, .2);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #EDF7F4;
      transition: all .2s ease;
    }

    .footer-socials a:hover {
      background: var(--gold);
      color: var(--ink);
      border-color: var(--gold);
      transform: translateY(-2px);
    }

    .footer-title {
      color: #FBF9F3;
      font-size: 1rem;
      letter-spacing: .04em;
      margin-bottom: 18px;
    }

    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

    .footer-links a {
      color: #A9C0BB;
    }

    .footer-links a:hover {
      color: var(--gold);
      padding-left: 4px;
    }

    .footer-notes {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .footer-notes li {
      color: #A9C0BB;
      position: relative;
      padding-left: 18px;
      margin-bottom: 10px;
      font-size: .94rem;
    }

    .footer-notes li::before {
      content: "\2022";
      position: absolute;
      left: 2px;
      color: var(--gold);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
      padding-top: 24px;
      font-size: .88rem;
      color: #78928C;
    }

    @media (max-width: 1023px) {
      .container {
        padding: 0 1rem;
      }
      .channel-menu {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 2px;
      }
      .channel-menu::-webkit-scrollbar {
        display: none;
      }
      .channel-menu a.quick-ask {
        margin-left: 8px;
      }
      .site-section {
        padding: 68px 0;
      }
      h1 {
        font-size: 2.5rem;
      }
      h2 {
        font-size: 1.8rem;
      }
      .steps-grid {
        grid-template-columns: 1fr 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
    }

    @media (max-width: 767px) {
      .header-brand .nav-flex {
        min-height: 66px;
      }
      .header-tools .tool-link span,
      .header-tools .lang-chip {
        display: none;
      }
      .header-tools .tool-link {
        padding: 8px;
      }
      .header-tools .tool-link i {
        font-size: 1.1rem;
      }
      .category-hero {
        padding: 52px 0 56px;
      }
      h1 {
        font-size: 2.1rem;
      }
      h2 {
        font-size: 1.55rem;
      }
      .site-section {
        padding: 52px 0;
      }
      .category-hero h1 {
        max-width: none;
      }
      .stat-grid {
        margin-top: 26px;
      }
      .section-title-row {
        display: block;
      }
      .section-side {
        white-space: normal;
        margin-top: 10px;
      }
      .cmp-grid {
        grid-template-columns: 1fr;
      }
      .steps-grid {
        grid-template-columns: 1fr;
      }
      .rel-grid {
        grid-template-columns: 1fr;
      }
      .cta-band {
        padding: 64px 0;
      }
      .cta-form-card {
        padding: 24px 20px;
        margin-top: 28px;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .field-group.full {
        grid-column: auto;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        display: block;
      }
      .footer-bottom span {
        display: block;
        margin-bottom: 8px;
      }
      .channel-menu a {
        padding: 11px 12px 9px;
        font-size: .87rem;
      }
      .guide-row {
        grid-template-columns: 46px 1fr;
        gap: 13px;
        padding: 18px;
      }
      .guide-tags {
        grid-column: 1 / -1;
        justify-content: flex-start;
        margin-top: 6px;
      }
      .row-count {
        width: 40px;
        height: 40px;
        font-size: .96rem;
      }
    }

    @media (max-width: 520px) {
      .logo-text em {
        display: none;
      }
      .category-hero .eyebrow-badge {
        font-size: .78rem;
      }
      .cta-intro h2 {
        font-size: 1.7rem;
      }
      .toc-links {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        width: 100%;
      }
      .toc-links::-webkit-scrollbar {
        display: none;
      }
      .toc-links a {
        white-space: nowrap;
      }
    }

    :focus-visible {
      outline: 2px solid var(--teal);
      outline-offset: 3px;
      border-radius: 4px;
    }

    @media (prefers-reduced-motion: reduce) {
      * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
      }
    }

/* roulang page: category2 */
:root {
  --main: #0F7C7C;
  --main-deep: #0b5f5f;
  --main-soft: rgba(15, 124, 124, .12);
  --accent: #F6B84B;
  --accent-deep: #e0a132;
  --ink: #173a3a;
  --bg: #FAF8F4;
  --surface: #ffffff;
  --sand: #f0ebe2;
  --line: #dce4df;
  --muted: #6c7f7b;
  --radius-lg: 20px;
  --radius-md: 12px;
  --shadow-sm: 0 4px 14px rgba(15, 72, 72, .06), 0 0 0 1px rgba(15, 124, 124, .02);
  --shadow-md: 0 16px 40px rgba(15, 72, 72, .10), 0 2px 10px rgba(15, 72, 72, .05);
  --footer-ink: #0c2a2c;
  --trade: #102c2c;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
  border: 0;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, background-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
ul, ol {
  padding: 0;
  margin: 0;
}
p {
  margin: 0 0 1rem;
}
button {
  font-family: inherit;
}
.container {
  width: 100%;
  max-width: 75rem;
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 2rem);
}
.site-header {
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 99;
  box-shadow: 0 1px 0 rgba(23, 58, 58, .06);
}
.header-top {
  border-bottom: 1px solid rgba(23, 58, 58, .08);
}
.header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
  padding-top: .5rem;
  padding-bottom: .5rem;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border-radius: 16px;
  padding-right: 8px;
  line-height: 1.2;
}
.brand-logo:hover {
  opacity: .88;
}
.logo-badge {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--main);
  border-radius: 15px;
  color: #fff;
  font-size: 1.2rem;
  box-shadow: 0 8px 18px rgba(15, 124, 124, .18);
}
.logo-text {
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.logo-text strong {
  font-size: 1.38rem;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--ink);
}
.logo-text em {
  font-style: normal;
  color: var(--main);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: .06em;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.hd-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line);
  background: #fbfaf7;
  border-radius: 999px;
  font-size: .9rem;
  color: var(--ink);
  font-weight: 500;
}
.hd-action:hover {
  border-color: rgba(15, 124, 124, .35);
  color: var(--main);
  background: #f0f7f5;
}
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: #fbfaf7;
  border-radius: 16px;
  color: var(--ink);
  font-size: 1.15rem;
  cursor: pointer;
  transition: all .2s ease;
}
.nav-toggle:hover {
  color: var(--main);
  border-color: rgba(15, 124, 124, .4);
}
.channel-bar {
  background: #f0ebe5;
  border-bottom: 1px solid rgba(23, 58, 58, .09);
  position: relative;
}
.nav-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
}
.channel-menu {
  display: flex;
  align-items: center;
  gap: clamp(4px, 1.3vw, 24px);
  list-style: none;
  flex-wrap: nowrap;
}
.channel-menu li {
  flex: 0 0 auto;
}
.channel-menu li.nav-ask-wrap {
  margin-left: auto;
}
.channel-menu a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 1.1rem .05rem .95rem;
  font-size: .95rem;
  font-weight: 500;
  color: #506661;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.channel-menu a:hover {
  color: var(--main);
  border-bottom-color: rgba(15, 124, 124, .35);
}
.channel-menu a.active {
  color: var(--main);
  font-weight: 700;
  border-bottom-color: var(--main);
}
.channel-menu a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--main);
  transform-origin: left;
  animation: activeLine .25s ease;
}
@keyframes activeLine {
  from { transform: scaleX(.2); opacity: .2; }
  to { transform: scaleX(1); opacity: 1; }
}
.quick-ask {
  color: var(--main) !important;
  border: 1px solid rgba(15, 124, 124, .25);
  padding: .45rem 1rem !important;
  border-radius: 999px;
  background: rgba(255, 255, 255, .6);
  gap: 8px;
}
.quick-ask:hover {
  background: var(--main);
  color: #fff !important;
  border-color: var(--main);
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(15, 124, 124, .14);
}
.mobile-drawer {
  display: none;
  background: #fdfcfa;
  border-top: 1px solid rgba(23, 58, 58, .06);
}
.mobile-drawer.open {
  display: block;
  animation: drawerFade .2s ease;
}
@keyframes drawerFade {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.mobile-drawer ul {
  list-style: none;
  padding: 8px 0 14px;
}
.mobile-drawer li {
  border-bottom: 1px dashed var(--line);
}
.mobile-drawer li:last-child {
  border-bottom: 0;
}
.mobile-drawer a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 4px;
  font-weight: 500;
}
.mobile-drawer a.active {
  color: var(--main);
  font-weight: 700;
}

.category-hero {
  position: relative;
  background: linear-gradient(105deg, #123232 0%, rgba(15, 124, 124, .88) 58%, rgba(15, 124, 124, .62) 100%);
  color: #fff;
  isolation: isolate;
  overflow: hidden;
}
.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: .18;
}
.category-hero::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -160px;
  top: -180px;
  border-radius: 50%;
  background: rgba(246, 184, 75, .12);
  filter: blur(10px);
  z-index: 0;
  pointer-events: none;
}
.category-hero-inner {
  position: relative;
  z-index: 2;
  padding: 72px 0 64px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 40px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  padding: .3rem .9rem;
  font-size: .86rem;
  letter-spacing: .1em;
  color: #e8f1ec;
  margin-bottom: 18px;
  backdrop-filter: blur(6px);
}
.category-hero h1 {
  font-size: clamp(2.05rem, 4vw, 3rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -.02em;
  margin: 0 0 16px;
  max-width: 760px;
}
.hero-lead {
  font-size: 1.12rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, .92);
  max-width: 760px;
  margin-bottom: 26px;
}
.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 0;
}
.hero-pills span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: .42rem .95rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, .11);
  border: 1px solid rgba(255, 255, 255, .2);
  font-size: .88rem;
}
.hero-pills i {
  color: var(--accent);
}
.hero-panel {
  background: rgba(255, 255, 255, .95);
  border-radius: 28px;
  padding: 28px 24px;
  box-shadow: 0 20px 48px rgba(3, 36, 35, .16);
  color: var(--ink);
  backdrop-filter: blur(8px);
}
.hero-panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 12px;
  margin-bottom: 14px;
}
.hero-panel-top small {
  display: block;
  font-size: .8rem;
  color: var(--muted);
  letter-spacing: .15em;
  text-transform: uppercase;
}
.hero-panel-top strong {
  font-size: 1.35rem;
}
.panel-metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.panel-metric {
  background: #f1f5f0;
  border-radius: 16px;
  padding: 14px 8px 10px;
  text-align: center;
}
.panel-metric b {
  display: block;
  font-size: 1.5rem;
  color: var(--main);
  font-variant-numeric: tabular-nums;
}
.panel-metric span {
  font-size: .78rem;
  color: #69807a;
}
.channel-map {
  list-style: none;
}
.channel-map li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: .9rem;
  border-bottom: 1px dashed rgba(23, 58, 58, .09);
}
.channel-map li:last-child {
  border-bottom: 0;
}
.channel-map i {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--main-soft);
  color: var(--main);
  border-radius: 9px;
  font-size: .78rem;
}
.channel-map .now {
  color: var(--main);
  font-weight: 700;
}

.topic-nav-strip {
  background: #f2ece4;
  border-bottom: 1px solid rgba(23, 58, 58, .08);
}
.topic-nav-strip .container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.topic-nav-strip .inline-title {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .15em;
  color: #6d5a2d;
  text-transform: uppercase;
}
.topic-nav-strip a {
  font-size: .84rem;
  padding: .22rem .7rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: #fff;
  color: #5b6e69;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .03);
}
.topic-nav-strip a:hover {
  color: var(--main);
  border-color: rgba(15, 124, 124, .2);
}

.section {
  padding: clamp(62px, 7vw, 96px) 0;
}
.section-soft {
  background: #f1ede6;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 36px;
}
.section-head h2 {
  font-size: clamp(1.7rem, 2.4vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -.02em;
  margin: 0 0 8px;
  line-height: 1.3;
}
.section-head .lead {
  color: var(--muted);
  max-width: 560px;
  margin: 0;
  font-size: 1.01rem;
}
.anchor-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--main);
  font-size: .85rem;
  letter-spacing: .12em;
  font-weight: 700;
  margin-bottom: 8px;
}
.anchor-label i {
  color: var(--accent-deep);
}

.horizontal-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--surface);
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(15, 124, 124, .05);
  box-shadow: 0 6px 26px rgba(28, 60, 56, .06);
  margin-bottom: 28px;
  transition: box-shadow .25s ease, transform .25s ease;
}
.horizontal-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 44px rgba(15, 75, 75, .12);
}
.horizontal-visual {
  position: relative;
  min-height: 300px;
  background: #d6e6e2;
  overflow: hidden;
}
.horizontal-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform .5s ease;
}
.horizontal-card:hover .horizontal-visual img {
  transform: scale(1.03);
}
.visual-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 56%, rgba(15, 60, 60, .46));
  z-index: 2;
  pointer-events: none;
}
.visual-caption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  z-index: 3;
  color: #fff;
  font-size: .84rem;
  letter-spacing: .08em;
  background: rgba(14, 56, 55, .42);
  border-radius: 999px;
  padding: .2rem .8rem .26rem;
  display: table;
  backdrop-filter: blur(4px);
}
.horizontal-copy {
  padding: clamp(24px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.card-index {
  color: var(--accent-deep);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .18em;
}
.horizontal-copy h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin: 8px 0 14px;
  letter-spacing: -.01em;
  line-height: 1.35;
}
.horizontal-copy p {
  color: #556d68;
  margin-bottom: 18px;
  font-size: 1.02rem;
}
.plain-list {
  list-style: none;
  margin: 0 0 20px;
}
.plain-list li {
  position: relative;
  padding: 7px 0 7px 32px;
  color: #3f5c57;
  font-size: .98rem;
}
.plain-list li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 8px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--main-soft);
  color: var(--main);
  font-size: .62rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.inline-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: .5rem 1.2rem;
  border-radius: 999px;
  border: 1px solid rgba(15, 124, 124, .28);
  color: var(--main);
  font-weight: 700;
  font-size: .9rem;
}
.inline-link:hover {
  background: var(--main);
  color: #fff;
  border-color: var(--main);
  box-shadow: 0 8px 22px rgba(15, 124, 124, .18);
}

.service-grid-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(15, 124, 124, .04);
  box-shadow: var(--shadow-sm);
  padding: 24px 22px;
  position: relative;
  overflow: hidden;
  transition: transform .12s ease, box-shadow .2s ease;
}
.service-grid-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.service-grid-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  background: linear-gradient(90deg, var(--main), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .18s ease;
}
.service-grid-card:hover::after {
  transform: scaleX(1);
}
.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 17px;
  background: var(--main-soft);
  color: var(--main);
  font-size: 1.25rem;
  margin-bottom: 15px;
}
.service-icon.gold {
  background: rgba(246, 184, 75, .18);
  color: #ac7a20;
}
.service-grid-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0 0 8px;
}
.service-grid-card p {
  color: var(--muted);
  font-size: .91rem;
  margin: 0;
  line-height: 1.7;
}
.service-badge {
  display: inline-flex;
  align-items: center;
  margin-top: 14px;
  color: var(--main);
  background: var(--main-soft);
  border-radius: 999px;
  padding: .16rem .7rem;
  font-size: .76rem;
}

.deep-band {
  background: #104343;
  color: rgba(255, 255, 255, .94);
  overflow: hidden;
  position: relative;
}
.deep-band .band-inner {
  padding: 72px 0;
  position: relative;
  z-index: 2;
}
.band-blur {
  position: absolute;
  z-index: 1;
  background: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  inset: 0;
}
.band-blur::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(108deg, rgba(9, 57, 58, .96), rgba(15, 124, 124, .7)), rgba(14, 54, 56, .8);
}
.band-inner {
  position: relative;
  z-index: 2;
}
.band-head h2 {
  color: #fff;
  font-size: clamp(1.7rem, 2.5vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -.02em;
  margin: 0 0 12px;
}
.band-head p {
  color: rgba(255, 255, 255, .8);
  max-width: 720px;
  margin-bottom: 20px;
}
.deep-message {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 44px;
  align-items: center;
  margin-top: 30px;
}
.deep-note {
  background: rgba(255, 255, 255, .1);
  padding: 24px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, .14);
  backdrop-filter: blur(4px);
}
.deep-note h3 {
  color: var(--accent);
  font-size: 1.1rem;
  margin: 0 0 10px;
}
.deep-note p {
  color: rgba(255, 255, 255, .76);
  margin: 0;
  font-size: .93rem;
}
.deep-list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-top: 8px;
}
.deep-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: rgba(255, 255, 255, .9);
  font-size: .96rem;
}
.deep-list i {
  color: var(--accent);
  margin-top: 6px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 20px;
  counter-reset: step;
}
.step-box {
  background: var(--surface);
  border-radius: 20px;
  padding: 25px 20px 20px;
  box-shadow: 0 4px 18px rgba(15, 60, 60, .05);
  border: 1px solid rgba(15, 124, 124, .05);
  position: relative;
  transition: transform .2s ease, box-shadow .2s ease;
}
.step-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.step-num {
  font-size: .85rem;
  font-weight: 800;
  color: var(--accent-deep);
  border: 1px solid rgba(246, 184, 75, .4);
  background: rgba(246, 184, 75, .1);
  border-radius: 999px;
  width: 56px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: .06em;
  margin-bottom: 14px;
}
.step-box h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0 0 9px;
}
.step-box p {
  color: var(--muted);
  font-size: .88rem;
  margin: 0;
  line-height: 1.72;
}

.faq-section {
  background: #f0ece5;
}
.faq-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.faq-item {
  background: var(--surface);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(15, 124, 124, .06);
  box-shadow: 0 4px 14px rgba(30, 60, 55, .05);
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: space-between;
  padding: 20px 22px;
  font-weight: 700;
  color: var(--ink);
  background: #fff;
  transition: background-color .2s ease;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:hover {
  background: #fcfbf8;
  color: var(--main);
}
.faq-item summary i {
  color: var(--main);
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--main-soft);
  border-radius: 8px;
  flex: 0 0 auto;
}
.faq-item .answer {
  border-top: 1px dashed var(--line);
  padding: 16px 22px 20px;
  color: #54706c;
  font-size: .92rem;
  line-height: 1.85;
}
.faq-item .answer a {
  color: var(--main);
  font-weight: 700;
}

.contact-cta {
  background: #113334;
  color: rgba(255, 255, 255, .95);
}
.contact-cta .inner {
  padding: 70px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.cta-copy h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: #fff;
  font-weight: 800;
  margin: 0 0 16px;
  letter-spacing: -.02em;
}
.cta-copy p {
  color: rgba(255, 255, 255, .75);
  font-size: 1.03rem;
  margin-bottom: 24px;
}
.cta-list {
  list-style: none;
  display: grid;
  gap: 12px;
}
.cta-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: rgba(255, 255, 255, .85);
  font-size: .95rem;
}
.cta-list i {
  color: var(--accent);
  margin-top: 7px;
}
.lead-form {
  background: #fff;
  border-radius: 28px;
  padding: clamp(22px, 3vw, 36px);
  color: var(--ink);
  box-shadow: 0 24px 54px rgba(2, 25, 25, .2);
}
.lead-form h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0 0 4px;
}
.lead-form .form-note {
  color: var(--muted);
  font-size: .87rem;
  margin-bottom: 22px;
}
.form-label {
  font-size: .9rem;
  font-weight: 700;
  color: var(--ink);
  display: block;
  margin: 0 0 6px;
}
.field {
  margin-bottom: 18px;
}
.input-field,
textarea.input-field {
  width: 100%;
  height: 48px;
  border: 1px solid #d4dfdc;
  border-radius: 13px;
  background: #fdfcfa;
  color: #173a3a;
  padding: 0 15px;
  font-size: .95rem;
  transition: border-color .2s ease, box-shadow .2s ease;
  box-shadow: none;
  font-family: inherit;
  margin-bottom: 0;
}
textarea.input-field {
  height: auto;
  min-height: 88px;
  padding: 12px 15px;
  resize: vertical;
}
.input-field:focus,
textarea.input-field:focus {
  outline: none;
  border-color: var(--main);
  box-shadow: 0 0 0 3px rgba(15, 124, 124, .14);
  background: #fff;
}
.submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  height: 52px;
  border: 0;
  border-radius: 999px;
  background: var(--main);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .2s ease;
  box-shadow: 0 10px 24px rgba(15, 124, 124, .22);
}
.submit-btn:hover {
  transform: translateY(-2px);
  background: var(--main-deep);
}
.submit-btn:focus-visible {
  outline: 3px solid rgba(246, 184, 75, .6);
  outline-offset: 3px;
}

.site-footer {
  background: #0b292b;
  color: rgba(255, 255, 255, .72);
  padding-top: 54px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1.2fr 1.1fr;
  gap: 28px;
  padding-bottom: 36px;
}
.footer-brand .brand-logo {
  color: #fff;
}
.footer-brand .logo-text strong {
  color: #fff;
}
.footer-brand .logo-text em {
  color: #f5f5f0;
}
.footer-brand .logo-badge {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, .64);
  color: rgba(255, 255, 255, .86);
  box-shadow: none;
}
.footer-about {
  color: rgba(255, 255, 255, .58);
  font-size: .9rem;
  line-height: 1.8;
  margin: 16px 0 18px;
  max-width: 420px;
}
.footer-socials {
  display: flex;
  gap: 10px;
}
.footer-socials a {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  color: rgba(255, 255, 255, .85);
}
.footer-socials a:hover {
  background: var(--main);
  border-color: var(--main);
  color: #fff;
}
.footer-title {
  color: rgba(255, 255, 255, .92);
  font-size: 1rem;
  margin: 0 0 18px;
  letter-spacing: .05em;
}
.footer-links,
.footer-notes,
.footer-list {
  list-style: none;
  display: grid;
  gap: 9px;
}
.footer-links a,
.footer-notes li {
  color: rgba(255, 255, 255, .62);
  font-size: .9rem;
  line-height: 1.6;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-notes li::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--accent);
  display: inline-flex;
  margin: 0 8px 0 0;
  vertical-align: middle;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
  color: rgba(255, 255, 255, .42);
  font-size: .78rem;
  letter-spacing: .02em;
}

@media screen and (min-width: 1024px) {
  .cell-lg-12 {
    flex: 0 0 100%;
    max-width: 100%;
  }
}
@media screen and (max-width: 1023px) {
  .channel-menu {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .category-hero-inner {
    grid-template-columns: 1fr;
    padding: 48px 0 50px;
  }
  .hero-panel {
    max-width: 640px;
  }
  .horizontal-card {
    grid-template-columns: 1fr;
  }
  .horizontal-visual {
    min-height: 260px;
  }
  .horizontal-card:nth-of-type(even) .horizontal-visual {
    order: 0;
  }
  .deep-message {
    grid-template-columns: 1fr;
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media screen and (max-width: 767px) {
  .section {
    padding: 52px 0;
  }
  .section-head {
    display: block;
  }
  .section-head .lead {
    margin-top: 10px;
  }
  .category-hero h1 {
    font-size: 1.8rem;
  }
  .hero-pills {
    flex-direction: column;
    align-items: flex-start;
  }
  .panel-metric-row {
    grid-template-columns: repeat(3, 1fr);
  }
  .horizontal-copy {
    padding: 26px 20px 28px;
  }
  .horizontal-visual {
    min-height: 210px;
  }
  .service-grid-card {
    padding: 20px 18px;
  }
  .process-steps {
    grid-template-columns: 1fr;
  }
  .faq-panel {
    grid-template-columns: 1fr;
  }
  .contact-cta .inner {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 48px 0;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    display: block;
  }
  .footer-bottom span {
    display: block;
    margin: 5px 0;
  }
  .horizontal-card:nth-child(even) .horizontal-visual {
    order: 1;
  }
}

/* roulang page: category3 */
:root{
  --main-color:#0F7C7C;
  --main-deep:#0B5658;
  --main-soft:#E3F2EF;
  --accent:#F6B84B;
  --accent-soft:#FCEDD0;
  --deep:#173A3A;
  --deep-soft:#234747;
  --paper:#FAF8F4;
  --card:#FFFDF9;
  --text:#1E302F;
  --muted:#5C6E6B;
  --line:#E6DED2;
  --line-deep:#D8CEBE;
  --radius-xl:28px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-soft:0 18px 36px -30px rgba(15,116,116,.38);
  --shadow-hover:0 24px 48px -26px rgba(15,116,116,.45);
  --font-cn:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  background:var(--paper);
  color:var(--text);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
button,input,select,textarea{font-family:inherit;outline:none}
input,select,textarea{font-size:1rem}
.container{max-width:1240px;margin:0 auto;padding:0 24px}

::selection{background:var(--main-color);color:#fff}

a:focus-visible,
button:focus-visible{
  outline:2px solid var(--main-color);
  outline-offset:3px;
  border-radius:6px;
}

/* ========== Header ========== */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(250,248,244,.96);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.brand-bar{
  background:var(--paper);
}
.brand-bar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:78px;
  gap:20px;
}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:12px;
  min-width:0;
}
.logo-badge{
  width:42px;
  height:42px;
  border-radius:14px;
  background:var(--main-color);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:1.15rem;
  box-shadow:var(--shadow-soft);
}
.logo-text{
  display:flex;
  flex-direction:column;
  line-height:1.2;
}
.logo-text strong{
  font-size:1.325rem;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--deep);
}
.logo-text em{
  font-style:normal;
  font-size:.73rem;
  color:var(--main-color);
  font-weight:600;
  margin-top:3px;
  letter-spacing:.18em;
}
.tool-group{
  display:flex;
  align-items:center;
  gap:10px;
}
.lang-drop{
  position:relative;
}
.lang-summary{
  display:flex;
  align-items:center;
  gap:8px;
  padding:9px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  cursor:pointer;
  font-size:.85rem;
  color:var(--text);
  transition:.2s ease;
}
.lang-summary i{
  color:var(--main-color);
}
.lang-summary:hover{
  border-color:var(--main-color);
}
.tool-icon{
  width:40px;
  height:40px;
  border:1px solid var(--line);
  border-radius:50%;
  background:#fff;
  color:var(--text);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:.2s;
}
.tool-icon:hover{
  color:var(--main-color);
  border-color:var(--main-color);
}
.btn-drawer{
  width:44px;
  height:44px;
  border-radius:14px;
  background:var(--main-color);
  border:none;
  color:#fff;
  cursor:pointer;
  display:none;
  align-items:center;
  justify-content:center;
  font-size:1.1rem;
  transition:.2s;
}
.btn-drawer:hover{
  background:var(--main-deep);
}

.channel-bar{
  background:#F2EDE6;
  border-top:1px solid rgba(255,255,255,.6);
}
.nav-flex{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}
.channel-menu{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-menu::-webkit-scrollbar{display:none}
.channel-menu a{
  display:block;
  padding:15px 5px 13px;
  margin:0 12px;
  font-size:.9375rem;
  font-weight:500;
  color:var(--text);
  border-bottom:3px solid transparent;
  transition:.2s;
  white-space:nowrap;
}
.channel-menu a:hover{
  color:var(--main-color);
  border-bottom-color:rgba(15,124,124,.35);
}
.channel-menu a.active,
.channel-menu a[aria-current="page"]{
  color:var(--main-color);
  border-bottom-color:var(--main-color);
  font-weight:600;
}
.channel-menu .quick-ask{
  margin-left:6px;
  padding:9px 20px;
  border-radius:999px;
  background:var(--main-color);
  color:#fff;
  border:none;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.875rem;
  font-weight:600;
  white-space:nowrap;
}
.channel-menu .quick-ask i{font-size:.8rem}
.channel-menu .quick-ask:hover{
  background:var(--main-deep);
  transform:translateY(-1px);
}
.mobile-drawer{
  display:none;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.mobile-drawer-panel{
  padding:16px 0;
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.mobile-drawer.is-open .mobile-drawer-panel{
  max-height:86vh;
}
.mobile-drawer .channel-menu{
  flex-direction:column;
  align-items:flex-start;
  gap:0;
}
.mobile-drawer .channel-menu a{
  width:100%;
  padding:13px 4px;
  margin:0;
  border-bottom:1px solid var(--line);
}
.mobile-drawer .channel-menu .quick-ask{
  margin-top:14px;
  justify-content:center;
  border:none;
}

/* ========== Hero / Category ========== */
.category-hero{
  position:relative;
  background-color:#0b6966;
  background-image:linear-gradient(103deg,rgba(12,53,55,.94) 0%,rgba(15,124,124,.72) 47%,rgba(246,184,75,.22) 100%),url('/assets/images/backpic/back-1.webp');
  background-position:center;
  background-size:cover;
  color:#fff;
  padding:78px 0 60px;
  overflow:hidden;
}
.category-hero::after{
  content:"";
  position:absolute;
  width:420px;
  height:420px;
  right:-180px;
  top:-160px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  pointer-events:none;
}
.hero-wrap{
  display:grid;
  grid-template-columns:9fr 3fr;
  gap:36px;
  align-items:center;
  position:relative;
  z-index:2;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:.822rem;
  letter-spacing:.16em;
  background:rgba(255,255,255,.12);
  padding:8px 16px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.2);
  margin-bottom:26px;
}
.eyebrow i{
  color:var(--accent);
  font-size:.75rem;
}
.category-hero h1{
  font-size:clamp(2.05rem,4vw,3.2rem);
  line-height:1.25;
  font-weight:800;
  margin:0 0 22px;
  letter-spacing:.01em;
}
.hero-summary{
  font-size:1.0625rem;
  line-height:1.9;
  margin:0 0 30px;
  max-width:760px;
  color:rgba(255,255,255,.92);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.primary-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px 28px;
  border-radius:999px;
  border:1px solid var(--main-color);
  background:var(--main-color);
  color:#fff;
  font-weight:600;
  font-size:.9375rem;
  cursor:pointer;
  transition:.2s ease;
}
.primary-btn:hover{
  background:var(--main-deep);
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.hero-actions .primary-btn{
  border-color:rgba(255,255,255,.25);
}
.ghost-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:14px 26px;
  background:transparent;
  border:1px solid var(--line-deep);
  border-radius:999px;
  color:var(--text);
  font-weight:600;
  font-size:.9375rem;
  cursor:pointer;
  transition:.2s;
}
.site-button, .ghost-btn{min-height:48px}
.hero-actions .ghost-btn{
  color:#fff;
  border-color:rgba(255,255,255,.44);
}
.hero-actions .ghost-btn:hover{
  background:rgba(255,255,255,.16);
}

.metric-panel{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.22);
  border-radius:24px;
  padding:24px;
  backdrop-filter:blur(6px);
}
.metric-panel .metric-label{
  color:rgba(255,255,255,.82);
  font-size:.8rem;
  letter-spacing:.08em;
}
.metric-number{
  font-size:2.5rem;
  font-weight:800;
  color:var(--accent);
  margin:4px 0;
}
.metric-muted{
  color:rgba(255,255,255,.78);
  font-size:.85rem;
}
.metric-divider{
  height:1px;
  background:rgba(255,255,255,.18);
  margin:18px 0;
}
.metric-panel ul li{
  padding:6px 0;
  display:flex;
  gap:8px;
  align-items:center;
  font-size:.875rem;
  color:rgba(255,255,255,.9);
}
.metric-panel ul li i{
  color:var(--accent);
}

/* ========== Page TOC ========== */
.page-toc{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  margin-top:-26px;
  position:relative;
  z-index:5;
  box-shadow:var(--shadow-soft);
}
.toc-box{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  padding:16px 20px;
}
.toc-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--main-color);
  font-weight:700;
  padding-right:12px;
  border-right:1px solid var(--line);
  font-size:.9rem;
}
.toc-list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.toc-list a{
  font-size:.85rem;
  color:var(--muted);
  padding:7px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#FAF8F4;
  transition:.2s;
}
.toc-list a:hover{
  color:var(--main-color);
  border-color:var(--main-color);
  background:var(--main-soft);
}

/* ========== Section Common ========== */
.site-section{
  padding:80px 0;
}
.section-kicker{
  display:inline-grid;
  grid-auto-flow:column;
  align-items:center;
  gap:8px;
  font-size:.85rem;
  font-weight:700;
  color:var(--main-color);
  margin-bottom:12px;
}
.section-kicker i{
  font-size:.75rem;
}
.section-title{
  font-size:clamp(1.9rem,3vw,2.5rem);
  line-height:1.4;
  color:var(--deep);
  font-weight:800;
  margin:0 0 16px;
  letter-spacing:-.01em;
}
.section-intro{
  font-size:1.05rem;
  color:var(--muted);
  max-width:820px;
  margin:0 0 36px;
  line-height:1.85;
}

/* ========== Grid Cards ========== */
.card-grid{
  display:grid;
  gap:22px;
}
.two-col-grid{
  grid-template-columns:repeat(2,1fr);
}
.three-col-grid{
  grid-template-columns:repeat(3,1fr);
}
.guide-card{
  background:var(--card);
  border-radius:var(--radius-lg);
  padding:28px 26px;
  border:1px solid rgba(216,206,190,.6);
  box-shadow:var(--shadow-soft);
  transition:transform .2s ease, box-shadow .2s ease;
}
.guide-card > *{position:relative;z-index:1}
.guide-card::before{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:3px;
  border-radius:0 6px 6px 0;
  background:var(--main-color);
  transition:width .2s ease;
}
.guide-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
}
.guide-card:hover::before{width:100%}
.guide-card h3{
  font-size:1.18rem;
  font-weight:700;
  color:var(--deep);
  margin:0 0 10px;
}
.guide-card p{
  margin:0 0 14px;
  color:var(--muted);
  font-size:.94rem;
  line-height:1.8;
}
.card-icon{
  width:46px;
  height:46px;
  border-radius:14px;
  background:var(--main-soft);
  color:var(--main-color);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  margin-bottom:18px;
}
.card-icon.dark{
  background:var(--deep);
  color:var(--accent);
}
.card-icon.gold{
  background:var(--accent-soft);
  color:#9c6f20;
}

/* ========== Prep section image ========== */
.prep-media{
  border-radius:28px 28px 28px 8px;
  overflow:hidden;
  height:100%;
  min-height:280px;
  position:relative;
}
.prep-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  position:absolute;
  inset:0;
}
.prep-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(145deg,rgba(15,124,124,.12),rgba(23,58,58,.5));
}
.img-caption{
  position:absolute;
  bottom:18px;
  left:18px;
  right:18px;
  color:#fff;
  font-size:.9rem;
  z-index:2;
  background:rgba(23,58,58,.42);
  padding:8px 14px;
  border-radius:12px;
  backdrop-filter:blur(4px);
  border:1px solid rgba(255,255,255,.18);
}
.split-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
  align-items:center;
}
.check-list{
  display:grid;
  gap:14px;
}
.check-item{
  display:grid;
  grid-template-columns:32px 1fr auto;
  gap:14px;
  align-items:center;
  background:#fff;
  border:1px solid var(--line);
  padding:18px 20px;
  border-radius:18px;
}
.check-badge{
  width:32px;
  height:32px;
  border-radius:50%;
  background:var(--main-soft);
  color:var(--main-color);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:.82rem;
  font-weight:800;
}
.check-item p{
  margin:0;
  font-size:.9rem;
  color:var(--muted);
  line-height:1.55;
}
.status-chip{
  display:inline-block;
  padding:5px 12px;
  border-radius:999px;
  background:var(--accent-soft);
  color:#8e6a1e;
  font-size:.8rem;
  white-space:nowrap;
  font-weight:600;
}

/* ========== Location panel ========== */
.location-panel{
  background:var(--deep);
  color:#fff;
  border-radius:32px;
  overflow:hidden;
  padding:50px 48px;
}
.location-panel h2{
  color:#fff;
}
.location-panel .section-intro{
  color:rgba(255,255,255,.86);
}
.location-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  margin-top:20px;
}
.location-card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(4px);
  padding:24px;
  border-radius:20px;
  transition:.2s;
}
.location-card:hover{
  background:rgba(255,255,255,.13);
  transform:translateY(-3px);
}
.location-card i{
  color:var(--accent);
  font-size:1.2rem;
  margin-bottom:12px;
}
.location-card h3{
  font-size:1.15rem;
  font-weight:700;
  margin:0 0 8px;
}
.location-card p{
  font-size:.9rem;
  color:rgba(255,255,255,.88);
  margin:0;
  line-height:1.7;
}
.media-location{
  border-radius:24px;
  overflow:hidden;
  margin-top:24px;
  position:relative;
  height:230px;
}
.media-location img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-location::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 30%,rgba(23,58,58,.6));
}

/* ========== Steps ========== */
.steps-head{
  text-align:center;
  margin-bottom:40px;
}
.steps-wrap{
  background:linear-gradient(115deg,#173A3A 0%,#135b57 100%);
  border-radius:32px;
  padding:54px 48px;
  color:#fff;
}
.steps-wrap h2{
  color:#fff;
}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  counter-reset:step;
}
.step-card{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.15);
  border-radius:20px;
  padding:24px;
  position:relative;
  counter-increment:step;
}
.step-card::after{
  content:counter(step,decimal-leading-zero);
  display:block;
  font-size:.78rem;
  font-weight:700;
  color:var(--accent);
  letter-spacing:.08em;
  margin-bottom:10px;
}
.step-card h3{
  margin:0 0 10px;
  font-size:1.1rem;
  font-weight:700;
  color:#fff;
}
.step-card p{
  margin:0;
  font-size:.86rem;
  color:rgba(255,255,255,.88);
  line-height:1.7;
}
.step-card i{
  position:absolute;
  right:16px;
  top:16px;
  color:rgba(255,255,255,.5);
  font-size:1.3rem;
}
.link-inline{
  color:var(--accent);
  border-bottom:1px solid rgba(246,184,75,.4);
  transition:.2s;
}
.link-inline:hover{
  color:#ffd37c;
  border-bottom-color:#ffd37c;
}

/* ========== Check / Trouble ========== */
.check-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.trouble-card{
  background:var(--card);
  border-radius:var(--radius-lg);
  padding:28px;
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  display:flex;
  gap:20px;
  transition:.22s ease;
}
.trouble-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.trouble-icon{
  flex:0 0 48px;
  width:48px;
  height:48px;
  border-radius:16px;
  background:var(--accent-soft);
  color:#a6760f;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
}
.trouble-icon.alt{
  background:var(--main-soft);
  color:var(--main-color);
}
.trouble-body h3{
  color:var(--deep);
  font-size:1.1rem;
  margin:0 0 6px;
  font-weight:700;
}
.trouble-body p{
  color:var(--muted);
  font-size:.9rem;
  margin:0 0 12px;
  line-height:1.75;
}
.trouble-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:8px;
  background:#f2eee7;
  color:var(--muted);
  font-size:.78rem;
  font-weight:500;
}
.tag i{
  color:var(--main-color);
  font-size:.7rem;
}

/* ========== FAQ ========== */
.faq-wrap{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:24px;
  padding:34px;
  box-shadow:var(--shadow-soft);
}
.faq-item{
  border-bottom:1px solid var(--line);
  padding:8px 0;
}
.faq-item:last-child{border-bottom:none}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  font-weight:600;
  color:var(--deep);
  padding:16px 8px;
  cursor:pointer;
  font-size:1.03rem;
  list-style:none;
  transition:.2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{
  flex:0 0 28px;
  height:28px;
  border-radius:50%;
  background:var(--main-soft);
  color:var(--main-color);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:.85rem;
  transition:.25s;
}
.faq-item[open] summary i{
  transform:rotate(45deg);
  background:var(--main-color);
  color:#fff;
}
.faq-item p{
  padding:0 18px 22px;
  margin:0;
  color:var(--muted);
  font-size:.95rem;
  line-height:1.9;
}

/* ========== Contact CTA ========== */
.contact-panel{
  background:linear-gradient(120deg,#173A3A,#0B6966);
  border-radius:30px;
  padding:50px;
  color:#fff;
  display:grid;
  grid-template-columns:8fr 10fr;
  gap:46px;
  align-items:start;
  position:relative;
  overflow:hidden;
}
.contact-panel::after{
  content:"";
  position:absolute;
  width:320px;
  height:320px;
  border:1px solid rgba(246,184,75,.26);
  border-radius:50%;
  right:-120px;
  top:-110px;
  pointer-events:none;
}
.contact-panel h2{
  color:#fff;
  font-size:2.1rem;
  margin:0 0 18px;
}
.contact-panel p{
  color:rgba(255,255,255,.9);
  font-size:.95rem;
  line-height:1.9;
  max-width:630px;
}
.contact-notes li{
  padding:9px 0;
  color:rgba(255,255,255,.9);
  font-size:.9rem;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.contact-notes li i{
  color:var(--accent);
  padding-top:6px;
}
.contact-form{
  background:var(--card);
  color:var(--text);
  padding:30px;
  border-radius:22px;
  box-shadow:0 20px 50px -30px rgba(0,0,0,.35);
}
.form-label{
  font-weight:600;
  display:block;
  margin-bottom:8px;
  color:var(--deep);
  font-size:.925rem;
}
.form-field{
  width:100%;
  border:1px solid var(--line-deep);
  background:#fff;
  border-radius:12px;
  padding:12px 14px;
  margin-bottom:18px;
  transition:border .2s,box-shadow .2s;
  line-height:1.6;
}
.form-field:focus{
  border-color:var(--main-color);
  box-shadow:0 0 0 3px rgba(15,124,124,.14);
}
textarea.form-field{
  min-height:120px;
  resize:vertical;
}
.field-note{
  color:var(--muted);
  font-size:.8rem;
}
.submit-btn{
  width:100%;
  min-height:52px;
  margin-top:4px;
  border:none;
}
.feedback-hint{
  margin-top:14px;
  text-align:center;
  font-size:.85rem;
  padding:10px;
  border-radius:10px;
  background:var(--main-soft);
  color:var(--main-color);
  display:none;
}
.feedback-hint.show{display:block}

/* ========== Feedback media ========== */
.feedback-layout{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:40px;
  align-items:center;
}
.feedback-visual{
  border-radius:30px 30px 14px 14px;
  overflow:hidden;
  background:var(--main-soft);
  min-height:320px;
  position:relative;
}
.feedback-visual img{
  width:100%;
  height:100%;
  object-fit:cover;
  position:absolute;
  inset:0;
}
.feedback-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(10deg,rgba(23,58,58,.38),transparent);
}
.back-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:15px 16px;
  display:flex;
  gap:14px;
  transition:.2s;
  margin-bottom:14px;
}
.back-card:hover{
  box-shadow:var(--shadow-hover);
}
.back-card-icon{
  flex:0 0 42px;
  background:var(--accent-soft);
  border-radius:12px;
  color:#986d18;
  display:flex;
  align-items:center;
  justify-content:center;
}
.back-card h4{
  font-size:.98rem;
  color:var(--deep);
  margin:0 0 3px;
}
.back-card p{
  margin:0;
  font-size:.83rem;
  color:var(--muted);
  line-height:1.6;
}

/* ========== Footer ========== */
.site-footer{
  background:var(--deep);
  color:#C9D5D0;
  margin-top:60px;
}
.footer-grid{
  display:grid;
  grid-template-columns:3.5fr 1.6fr 1.6fr 1.8fr;
  gap:36px;
  padding:68px 0 34px;
}
.footer-brand .brand-logo{
  gap:10px;
}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text em{color:var(--accent)}
.footer-about{
  margin:22px 0 18px;
  font-size:.9rem;
  line-height:1.85;
  max-width:360px;
  color:rgba(255,255,255,.76);
}
.footer-socials{
  display:flex;
  gap:10px;
}
.footer-socials a{
  width:38px;
  height:38px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.22);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  transition:.2s;
}
.footer-socials a:hover{
  background:var(--main-color);
  border-color:var(--main-color);
  transform:translateY(-2px);
}
.footer-title{
  color:#fff;
  font-size:.95rem;
  font-weight:700;
  margin:0 0 16px;
}
.footer-links li,
.footer-notes li{
  padding:6px 0;
}
.footer-links a{
  font-size:.9rem;
  color:rgba(255,255,255,.82);
  transition:.2s;
}
.footer-links a:hover{color:var(--accent);padding-left:3px}
.footer-notes li{
  font-size:.88rem;
  color:rgba(255,255,255,.7);
  position:relative;
  padding-left:16px;
}
.footer-notes li::before{
  content:"";
  position:absolute;
  left:0;
  top:13px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--accent);
  opacity:.9;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 30px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:.85rem;
  color:rgba(255,255,255,.65);
}

/* ========== Responsive ========== */
@media (max-width:1023.98px){
  .channel-bar{
    display:none;
  }
  .btn-drawer{
    display:inline-flex;
  }
  .mobile-drawer{
    display:block;
  }
  .brand-bar-inner{
    min-height:68px;
  }
  .hero-wrap{
    grid-template-columns:1fr;
  }
  .metric-panel{
    max-width:520px;
  }
  .check-grid,.two-col-grid{
    grid-template-columns:1fr 1fr;
  }
  .steps-grid{
    grid-template-columns:repeat(2,1fr);
    gap:14px;
  }
  .contact-panel{
    grid-template-columns:1fr;
    padding:36px;
  }
  .feedback-layout{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
  .prep-media{
    min-height:220px;
  }
  .location-panel{
    padding:32px;
  }
  .location-grid{
    grid-template-columns:1fr;
  }
}

@media (max-width:767.98px){
  .container{
    padding:0 18px;
  }
  .lang-summary span{
    display:none;
  }
  .lang-summary{
    padding:8px;
    width:38px;
    height:38px;
    justify-content:center;
    border-radius:50%;
  }
  .tool-icon,.btn-drawer{
    width:38px;
    height:38px;
  }
  .brand-logo .logo-text strong{
    font-size:1.15rem;
  }
  .logo-badge{
    width:38px;
    height:38px;
    font-size:1rem;
  }
  .category-hero{
    padding:54px 0 54px;
  }
  .category-hero h1{
    font-size:2.05rem;
  }
  .site-section{
    padding:58px 0;
  }
  .section-title{
    font-size:1.8rem;
    line-height:1.45;
  }
  .split-grid,
  .feedback-layout,
  .check-grid,
  .two-col-grid,
  .three-col-grid{
    grid-template-columns:1fr;
  }
  .steps-wrap{
    padding:32px 22px;
  }
  .steps-grid{
    grid-template-columns:1fr;
  }
  .card-grid{
    gap:16px;
  }
  .location-panel{
    padding:24px 20px;
    border-radius:22px;
  }
  .faq-wrap,
  .contact-panel{
    padding:22px 20px;
  }
  .contact-form{
    padding:20px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    padding-top:48px;
    gap:28px;
  }
  .footer-bottom{
    flex-direction:column;
  }
  .hero-summary{
    font-size:.98rem;
  }
  .prep-media{
    min-height:190px;
  }
  .media-location{
    height:170px;
  }
}

@media (max-width:520px){
  .container{
    padding:0 15px;
  }
  .brand-bar-inner{
    gap:10px;
  }
  .channel-menu .quick-ask{
    width:100%;
    justify-content:center;
  }
  .category-hero h1{
    font-size:1.78rem;
  }
  .page-toc{
    border-radius:14px;
  }
  .toc-box{
    padding:12px 14px;
  }
  .toc-list a{
    padding:6px 10px;
    font-size:.8rem;
  }
  .steps-wrap{
    border-radius:20px;
  }
  .guide-card{
    padding:22px 18px;
  }
  .trouble-card{
    flex-direction:column;
    gap:12px;
    padding:22px 18px;
  }
  .trouble-icon{
    width:42px;
    height:42px;
  }
  .faq-item summary{
    font-size:.98rem;
  }
  .contact-panel{
    padding:24px 14px;
  }
  .contact-form{
    padding:16px;
  }
  .location-card{
    padding:18px 16px;
  }
  .metric-number{
    font-size:2.2rem;
  }
}

/* roulang page: category4 */
:root{
  --main:#0F7C7C;
  --main-dark:#0A6363;
  --main-deep:#173A3A;
  --accent:#F6B84B;
  --paper:#FAF8F4;
  --panel:#F2EDE6;
  --text:#26332F;
  --muted:#647471;
  --line:rgba(15,124,124,.16);
  --card:#FFFFFF;
  --radius-xl:28px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-pill:40px;
  --shadow-sm:0 6px 18px rgba(23,58,58,.06);
  --shadow-md:0 16px 38px rgba(23,58,58,.08);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:1.0625rem;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button,input,textarea,select{font:inherit}
.container{max-width:1260px;margin:0 auto;padding:0 24px}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--main);outline-offset:3px}

.site-header{position:sticky;top:0;z-index:100;background:#ffffff;box-shadow:0 4px 18px rgba(23,58,58,.05)}
.topbar{border-bottom:1px solid #EFE9E1}
.topbar-flex{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
.brand-logo{display:inline-flex;align-items:center;gap:11px}
.logo-badge{width:42px;height:42px;border:1.8px solid var(--main);color:var(--main);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:1.25rem;background:#fff}
.logo-text{display:inline-flex;align-items:baseline;gap:2px;line-height:1.2}
.logo-text strong{font-weight:800;color:var(--main-deep);font-size:1.35rem;letter-spacing:.02em}
.logo-text em{font-style:normal;color:var(--main);font-weight:700;font-size:1.15rem}
.top-actions{display:flex;align-items:center;gap:8px}
.top-link{display:inline-flex;align-items:center;gap:7px;font-size:.875rem;color:var(--muted);padding:8px 14px;border:1px solid transparent;border-radius:var(--radius-pill);transition:color .2s,border-color .2s}
.top-link i{color:var(--main)}
.top-link:hover{color:var(--main);border-color:var(--line)}
.channel-toggle{display:none;align-items:center;gap:7px;background:var(--main);border:none;color:#fff;border-radius:var(--radius-pill);padding:8px 15px;font-size:.875rem;cursor:pointer;transition:background .2s}
.channel-toggle:hover{background:var(--main-dark)}

.channel-bar{background:var(--panel);border-top:1px solid #F7F2E9}
.nav-flex{display:flex;align-items:center}
.channel-menu{display:flex;align-items:center;gap:2px;margin:0;padding:0;overflow-x:auto;scrollbar-width:none}
.channel-menu::-webkit-scrollbar{display:none}
.channel-menu li{margin:0;padding:0}
.channel-menu a{display:inline-flex;align-items:center;padding:14px 14px;font-size:.9375rem;font-weight:500;color:#56615D;position:relative;white-space:nowrap;transition:color .2s}
.channel-menu a::after{content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;border-radius:2px;background:var(--main);transform:scaleX(0);transform-origin:left;transition:transform .18s}
.channel-menu a.active{color:var(--main);font-weight:700}
.channel-menu a.active::after{transform:scaleX(1)}
.channel-menu a:hover{color:var(--main)}
.channel-menu .quick-ask{margin-left:auto;background:var(--main);color:#fff;border-radius:var(--radius-pill);padding:8px 17px!important;margin-top:7px;margin-bottom:7px;margin-left:18px;font-size:.875rem;box-shadow:0 4px 12px rgba(15,124,124,.18)}
.channel-menu .quick-ask::after{display:none}
.channel-menu .quick-ask:hover{background:var(--main-dark);color:#fff}

.category-hero{position:relative;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;color:#fff;padding:96px 0}
.category-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(23,58,58,.94) 32%,rgba(15,124,124,.86) 100%)}
.category-hero .container{position:relative;z-index:2}
.hero-inner{display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center}
.hero-copy .hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.875rem;letter-spacing:.06em;padding:7px 16px;border-radius:var(--radius-pill);background:rgba(255,255,255,.12);color:#FFE4AA;margin-bottom:22px}
.hero-copy h1{font-size:2.75rem;line-height:1.22;font-weight:800;color:#fff;margin-bottom:20px}
.hero-copy p{font-size:1.125rem;color:rgba(255,255,255,.88);max-width:58ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{display:inline-flex;align-items:center;gap:9px;border-radius:var(--radius-pill);font-weight:600;padding:13px 26px;font-size:.9375rem;border:none;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s;line-height:1.4}
.btn i{font-size:1rem}
.btn-primary{background:var(--main);color:#fff}
.btn-primary:hover{background:var(--main-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,124,124,.18)}
.btn-accent{background:var(--accent);color:var(--main-deep)}
.btn-accent:hover{background:#EFA63B;transform:translateY(-2px);box-shadow:0 12px 26px rgba(246,184,75,.28)}
.btn-outline{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.6);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.hero-metric{background:#fff;border-radius:var(--radius-lg);padding:28px 30px;color:var(--text);box-shadow:var(--shadow-md)}
.metric-label{display:block;font-size:.875rem;color:var(--main);font-weight:700;letter-spacing:.04em;margin-bottom:6px}
.metric-value{display:block;font-size:2.1rem;font-weight:800;color:var(--main-deep);line-height:1.2}
.metric-desc{display:block;margin-top:8px;color:var(--muted);font-size:.9375rem}
.metric-points{margin-top:18px;border-top:1px solid #ECEBE5;padding-top:16px}
.metric-points li{display:flex;gap:9px;align-items:flex-start;padding:6px 0;font-size:.9375rem}
.metric-points li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--main);font-size:.75rem;margin-top:4px}

.page-toc{background:#fffdf8;border-bottom:1px solid #E7E0D5}
.toc-inner{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0}
.toc-title{display:inline-flex;align-items:center;gap:7px;color:var(--main);font-weight:700;font-size:.9rem;margin-right:8px}
.toc-title i{font-size:1rem}
.toc-inner a{font-size:.875rem;color:var(--muted);border:1px solid var(--line);background:#fff;border-radius:var(--radius-pill);padding:5px 13px;transition:color .18s,border-color .18s,background .18s}
.toc-inner a:hover{color:var(--main);border-color:var(--main);background:rgba(15,124,124,.05)}

.section-block{padding:92px 0}
.topic-block{background:var(--paper)}
.section-head{max-width:820px;margin-bottom:52px}
.section-head.kicker-centered{margin-left:auto;margin-right:auto;text-align:center}
.section-kicker{display:inline-block;font-size:.875rem;letter-spacing:.08em;color:var(--main);font-weight:700;background:rgba(15,124,124,.08);padding:5px 14px;border-radius:var(--radius-pill);margin-bottom:14px}
.section-head h2{font-size:2.125rem;line-height:1.35;color:var(--main-deep);font-weight:800;margin-bottom:12px}
.section-head p{font-size:1.0625rem;color:var(--muted);max-width:680px}
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.topic-card{position:relative;background:#fff;border:1px solid rgba(15,124,124,.1);border-radius:var(--radius-lg);padding:30px 26px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.topic-card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--main);transform:scaleX(0);transform-origin:left;transition:transform .18s}
.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.topic-card:hover::before{transform:scaleX(1)}
.topic-icon{width:50px;height:50px;border-radius:16px;background:rgba(15,124,124,.1);color:var(--main);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:22px}
.topic-card h3{font-size:1.28rem;font-weight:800;color:var(--main-deep);margin-bottom:10px}
.topic-card p{font-size:.9375rem;color:var(--muted);margin-bottom:16px}
.topic-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag-chip{font-size:.8rem;background:var(--paper);border:1px solid #F0EBE3;color:#5E6E69;padding:3px 11px;border-radius:var(--radius-pill)}

.visual-note{background:#fff}
.visual-note-inner{display:grid;grid-template-columns:5fr 7fr;background:#fff;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-md)}
.visual-note-img{width:100%;height:100%;object-fit:cover;min-height:300px;background:#DBDED7}
.visual-note-text{padding:42px 48px}
.visual-note-text h2{font-size:2rem;font-weight:800;color:var(--main-deep);line-height:1.35;margin-bottom:14px}
.visual-note-text p{color:var(--muted);font-size:1rem;margin-bottom:22px}
.visual-note-text ul{display:flex;flex-direction:column;gap:12px}
.visual-note-text li{display:flex;gap:10px;font-size:.9375rem;color:var(--text)}
.visual-note-text li::before{content:"\f005";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--accent);font-size:.8rem;margin-top:4px}

.compare-block{background:#FAF7F2}
.table-frame{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:auto;box-shadow:var(--shadow-sm)}
.qa-table{width:100%;border-collapse:collapse;min-width:720px}
.qa-table th,.qa-table td{padding:17px 20px;text-align:left;vertical-align:top;border-bottom:1px solid #F1ECE4}
.qa-table thead th{background:rgba(15,124,124,.06);color:var(--main-deep);font-weight:800;font-size:.94rem;position:sticky;top:0}
.qa-table tbody tr:last-child td{border-bottom:none}
.qa-table tbody tr:hover td{background:rgba(246,184,75,.06)}
.qa-table td{font-size:.9375rem;line-height:1.7}
.qa-table td:first-child{font-weight:600;color:var(--main-deep)}
.qa-table .table-note{background:rgba(15,124,124,.04)}

.scene-block{background:#fff}
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.scene-item{display:flex;gap:20px;background:var(--paper);border-radius:var(--radius-lg);padding:26px 28px;border:1px solid #F0E9DF}
.scene-icon{flex:0 0 44px;width:44px;height:44px;border-radius:14px;background:var(--main);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.05rem}
.scene-item h3{font-size:1.125rem;font-weight:700;color:var(--main-deep);margin-bottom:6px}
.scene-item p{font-size:.9375rem;color:var(--muted)}

.steps-block{background:var(--main-deep);color:rgba(255,255,255,.92)}
.steps-block .section-head h2{color:#fff}
.steps-block .section-head p{color:rgba(255,255,255,.74)}
.steps-block .section-kicker{background:rgba(255,255,255,.12);color:#FFDFA6}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step-card{position:relative;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius-lg);padding:30px 24px;backdrop-filter:none;transition:background .2s,transform .2s}
.step-card:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}
.step-num{display:block;font-size:1rem;color:var(--accent);font-weight:800;letter-spacing:.08em;margin-bottom:12px}
.step-card h3{font-size:1.2rem;color:#fff;font-weight:700;margin-bottom:9px}
.step-card p{font-size:.9rem;color:rgba(255,255,255,.8)}

.faq-block{background:var(--paper)}
.faq-list{max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden}
.faq-item summary{list-style:none;display:flex;align-items:center;gap:16px;padding:20px 24px;cursor:pointer;font-weight:700;font-size:1.09rem;color:var(--main-deep);transition:background .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"Q";flex:0 0 30px;width:30px;height:30px;border-radius:50%;background:rgba(15,124,124,.1);color:var(--main);font-size:.85rem;display:inline-flex;align-items:center;justify-content:center;font-weight:800}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;margin-left:auto;color:var(--main);font-size:.85rem;transition:transform .2s}
.faq-item[open] summary::after{content:"\f068"}
.faq-item[open] summary{border-bottom:1px solid #F0EBE3;background:rgba(15,124,124,.03)}
.faq-item summary:hover{background:#FDFBF8}
.faq-answer{padding:18px 24px 20px 70px;color:var(--muted);font-size:.95rem}
.faq-cta-note{max-width:900px;margin:26px auto 0;display:flex;justify-content:space-between;align-items:center;gap:12px;background:#fff;border:1px dashed rgba(15,124,124,.3);border-radius:var(--radius-md);padding:16px 20px;font-size:.925rem;color:var(--main-deep)}
.faq-cta-note a{font-weight:700;color:var(--main);text-decoration:underline;text-underline-offset:4px}

.relation-note{background:linear-gradient(130deg,rgba(15,124,124,.07),rgba(246,184,75,.11));padding:60px 0}
.relation-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.relation-text h2{font-size:1.65rem;font-weight:800;color:var(--main-deep);margin-bottom:6px}
.relation-text p{color:var(--muted);font-size:.95rem;max-width:560px}
.relation-links{display:flex;flex-wrap:wrap;gap:12px}
.relation-link{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);padding:10px 19px;color:var(--main-dark);font-weight:700;font-size:.9rem;transition:transform .2s,box-shadow .2s}
.relation-link:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.relation-link i{color:var(--main)}

.cta-form{background:var(--main-deep);padding:94px 0;color:#fff}
.cta-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.cta-left h2{font-size:2.25rem;line-height:1.3;font-weight:800;color:#fff;margin-bottom:18px}
.cta-left p{color:rgba(255,255,255,.8);font-size:1.05rem;margin-bottom:20px}
.cta-left ul{display:flex;flex-direction:column;gap:12px}
.cta-left li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.86);font-size:.9375rem}
.cta-left li::before{content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--accent);font-size:1rem;margin-top:2px}
.offer-form{background:#fff;border-radius:var(--radius-lg);padding:32px;box-shadow:0 22px 52px rgba(11,28,28,.28);display:flex;flex-direction:column;gap:20px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field label{font-size:.875rem;font-weight:700;color:var(--main-deep)}
.form-field input,.form-field textarea{border:1px solid #DDE2DF;border-radius:var(--radius-md);padding:11px 15px;font-size:.95rem;color:var(--text);background:#fff;transition:border .2s,box-shadow .2s}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--main);box-shadow:0 0 0 3px rgba(15,124,124,.1)}
.form-tip{font-size:.85rem;color:var(--muted);display:flex;gap:7px;align-items:center}
.form-tip i{color:var(--main)}
.form-feedback{display:none;align-items:center;gap:7px;font-size:.85rem;color:#176B5F;background:rgba(23,150,130,.1);border-radius:var(--radius-pill);padding:6px 12px;margin-top:4px}
.form-feedback.show{display:inline-flex}
.offer-form .btn-accent{justify-content:center}

.site-footer{background:#0F2D2C;color:rgba(255,255,255,.68);padding:72px 0 0;font-size:.9375rem}
.footer-grid{display:grid;grid-template-columns:1.5fr .9fr 1fr 1fr;gap:42px;padding-bottom:44px}
.site-footer .brand-logo{color:#fff}
.site-footer .logo-text strong{color:#fff}
.site-footer .logo-text em{color:#8ED0C5}
.footer-about{margin-top:22px;font-size:.9rem;line-height:1.8;color:rgba(255,255,255,.56);max-width:38ch}
.footer-socials{display:flex;gap:10px;margin-top:20px}
.footer-socials a{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.75);display:inline-flex;align-items:center;justify-content:center;font-size:.94rem;transition:all .2s}
.footer-socials a:hover{background:var(--main);color:#fff;border-color:var(--main);transform:translateY(-2px)}
.footer-title{font-size:1rem;color:#fff;font-weight:700;margin-bottom:20px}
.footer-links li,.footer-notes li{padding:5px 0}
.footer-links a{color:rgba(255,255,255,.62);transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-notes{color:rgba(255,255,255,.52);font-size:.875rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.84rem;color:rgba(255,255,255,.48)}

@media (max-width:1199px){
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .footer-brand{grid-column:1/-1}
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
}

@media (max-width:1023px){
  .section-block{padding:70px 0}
  .hero-copy h1{font-size:2.3rem}
  .hero-inner{grid-template-columns:1fr;gap:30px}
  .hero-metric{max-width:520px}
  .channel-toggle{display:inline-flex}
  .channel-bar{display:none;border-top:none;box-shadow:0 20px 28px rgba(0,0,0,.08)}
  .site-header.nav-open .channel-bar{display:block}
  .channel-menu{flex-direction:column;align-items:stretch;padding:8px 0 16px;overflow:visible}
  .channel-menu a{padding:13px 6px;white-space:normal;border-top:1px solid rgba(15,124,124,.06)}
  .channel-menu a::after{display:none}
  .channel-menu .quick-ask{margin-left:0;margin:12px 0 4px;padding:12px 18px!important;justify-content:center}
  .brand-logo .logo-text strong{font-size:1.2rem}
  .brand-logo .logo-text em{font-size:1.02rem}
  .top-link span{display:none}
  .cta-inner{grid-template-columns:1fr}
  .visual-note-inner{grid-template-columns:1fr}
  .visual-note-img{height:260px;min-height:auto}
}

@media (max-width:767px){
  .container{padding:0 18px}
  .topbar-flex{padding:10px 0}
  .logo-badge{width:36px;height:36px;font-size:1.05rem}
  .logo-text strong{font-size:1.1rem!important}
  .logo-text em{font-size:.95rem!important}
  .top-link{padding:7px 9px}
  .hero-copy h1,.cta-left h2{font-size:2rem}
  .section-block{padding:56px 0}
  .section-head h2{font-size:1.75rem}
  .topic-grid,.scene-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .visual-note-text{padding:28px 24px}
  .visual-note-text h2{font-size:1.65rem}
  .qa-table th,.qa-table td{padding:13px 14px}
  .relation-inner{align-items:flex-start}
  .cta-form{padding:56px 0}
  .offer-form{padding:24px;gap:16px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column}
  .footer-links a{font-size:.925rem}
  .faq-item summary{font-size:.98rem;padding:18px}
  .faq-item summary::before{flex:0 0 26px;width:26px;height:26px}
  .faq-answer{padding:16px 18px 18px 56px}
}