/* roulang page: index */
:root{
  --green:#14483E;
  --green-dark:#12332C;
  --teal:#17A98C;
  --amber:#F2762E;
  --amber-soft:#FFE7D6;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --line:#E4DED2;
  --text:#1F2422;
  --muted:#5F6B66;
  --soft:#FBFAF7;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(18,51,44,.05),0 12px 28px -12px rgba(18,51,44,.16);
  --shadow-hover:0 2px 4px rgba(18,51,44,.06),0 20px 36px -14px rgba(18,51,44,.24);
  --max:1200px;
  --num:"DIN Alternate","Helvetica Neue",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--teal);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--green)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font-family:inherit;font-size:inherit;color:var(--text)}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.container{max-width:var(--max);margin:0 auto;padding:0 24px;width:100%}
.grid-x{margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px;min-width:0}
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-head{margin-bottom:40px;max-width:720px}
.section-head h2{
  position:relative;
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.3px;
  color:var(--green-dark);
  padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  background:var(--amber);border-radius:2px;
}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;padding-left:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--amber-soft);color:#A34A12;
  font-size:13px;font-weight:500;letter-spacing:.02em;
  padding:6px 14px;border-radius:999px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--amber)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--amber);color:#fff;box-shadow:0 8px 18px -10px rgba(242,118,46,.9)}
.btn-primary:hover{background:#F98B49;color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(242,118,46,.95)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:#fff;color:var(--green);border:1px solid var(--green)}
.btn-ghost:hover{background:#EAF6F2;color:var(--green);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-soft{background:var(--soft);color:var(--green);border:1px solid var(--line)}
.btn-soft:hover{background:#EAF6F2;color:var(--green)}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--teal);position:relative;
}
.link-arrow::after{content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--teal);transition:width .25s ease}
.link-arrow:hover::after{width:100%}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,244,238,.92);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(18,51,44,.55)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--green);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-mark svg{width:16px;height:16px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.brand-text{font-size:16px;font-weight:700;letter-spacing:-.2px;color:var(--green-dark);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--muted);
  padding:6px 10px;border-radius:8px;transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:0;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;border-radius:2px;
}
.nav-link:hover{color:var(--green-dark)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--green);background:#E6F2EE;font-weight:600}
.nav-link.active::after{display:none}
.nav-tools{display:flex;align-items:center;gap:16px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;width:220px;height:40px;
  padding:0 10px 0 12px;background:var(--soft);border:1px solid var(--line);
  border-radius:10px;transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--amber);box-shadow:0 0 0 3px rgba(242,118,46,.14)}
.nav-search svg{width:15px;height:15px;stroke:var(--muted);fill:none;stroke-width:1.6;flex-shrink:0}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;font-size:13px;color:var(--text);
  outline:none;height:100%;
}
.nav-search input::placeholder{color:#93A19B}
.nav-search kbd{
  font-family:var(--num);font-size:11px;color:#93A19B;background:#fff;
  border:1px solid var(--line);border-radius:6px;padding:1px 5px;line-height:1.5;
}
.nav-help{font-size:14px;font-weight:500;color:var(--muted);white-space:nowrap}
.nav-help:hover{color:var(--teal)}
.btn-nav{height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--green-dark);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* mobile drawer */
.drawer{
  position:fixed;inset:60px 0 0 0;z-index:70;background:var(--bg);
  transform:translateY(-8px);opacity:0;pointer-events:none;visibility:hidden;
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
  padding:20px 20px 32px;overflow-y:auto;
}
.drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;visibility:visible}
.drawer-search{
  display:flex;align-items:center;gap:10px;height:46px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:18px;
}
.drawer-search svg{width:16px;height:16px;stroke:var(--muted);fill:none;stroke-width:1.6}
.drawer-search input{flex:1;border:0;outline:none;background:transparent;font-size:14px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:16px;font-weight:500;color:var(--green-dark);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--teal);font-weight:600}
.drawer-cta{margin-top:24px}
.drawer-cta .btn{width:100%}
body.drawer-open{overflow:hidden}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 88px}
.hero::before{
  content:"";position:absolute;right:-12%;top:-20%;width:56%;height:130%;
  background:#E7F0EB;clip-path:polygon(28% 0,100% 0,100% 100%,0 100%);
  z-index:0;
}
.hero .container{position:relative;z-index:1}
.hero-grid{align-items:center}
.hero-copy{max-width:560px}
.hero h1{
  margin:20px 0 0;
  font-size:clamp(30px,4.2vw,52px);
  font-weight:800;line-height:1.18;letter-spacing:-.5px;color:var(--green-dark);
}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--muted);max-width:480px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-metrics{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:32px;font-size:13px;font-weight:500;color:var(--muted);letter-spacing:.02em;
}
.hero-metrics span{display:inline-flex;align-items:center;gap:7px}
.hero-metrics .dot{width:6px;height:6px;border-radius:50%;background:var(--teal)}
.hero-metrics .sep{width:1px;height:12px;background:var(--line)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;
  box-shadow:var(--shadow);background:#DDE6E1;
}
.hero-float{
  position:absolute;right:16px;bottom:-18px;transform:rotate(2deg);
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:14px 18px;box-shadow:var(--shadow);min-width:196px;
}
.hero-float .fl-label{font-size:12px;font-weight:600;color:var(--amber);letter-spacing:.06em}
.hero-float .fl-title{font-size:14px;font-weight:600;color:var(--green-dark);margin-top:2px}
.hero-float .fl-cd{display:flex;align-items:center;gap:6px;margin-top:8px;font-family:var(--num);font-weight:700;font-size:18px;color:var(--green-dark);letter-spacing:.02em}
.hero-float .fl-cd i{font-style:normal;font-size:13px;color:var(--muted);font-family:inherit;font-weight:500;margin-left:4px}

/* ---------- steps ladder ---------- */
.card-base{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.ladder-card{
  position:relative;height:100%;padding:28px 24px 24px;display:flex;flex-direction:column;
}
.ladder-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.ladder-card .num{
  font-family:var(--num);font-size:40px;font-weight:700;line-height:1;
  color:var(--teal);opacity:.35;letter-spacing:-1px;
}
.ladder-card h3{font-size:18px;font-weight:700;color:var(--green-dark);margin-top:10px}
.ladder-card .cond{font-size:14px;color:var(--muted);margin-top:4px}
.ladder-list{margin:18px 0 22px;display:grid;gap:9px}
.ladder-list li{display:flex;gap:9px;font-size:15px;line-height:1.6;color:var(--text)}
.tick{
  flex-shrink:0;width:16px;height:16px;margin-top:5px;border-radius:50%;
  background:#E4F5F0;display:inline-flex;align-items:center;justify-content:center;
}
.tick svg{width:9px;height:9px;stroke:var(--teal);fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.ladder-card .link-arrow{margin-top:auto}
.ladder-card.recommended{border-width:2px;border-color:var(--green)}
.badge-rec{
  position:absolute;top:-12px;right:20px;background:var(--green);color:#fff;
  font-size:12px;font-weight:600;padding:3px 12px;border-radius:999px;letter-spacing:.04em;
}

/* ---------- plans ---------- */
.plan-card{
  position:relative;height:100%;padding:26px 22px;display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .22s ease,box-shadow .22s ease;
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.plan-card h3{font-size:17px;font-weight:700;color:var(--green-dark)}
.plan-price{display:flex;align-items:baseline;gap:4px;margin-top:14px}
.plan-price .cur{font-size:15px;font-weight:600;color:var(--green-dark)}
.plan-price .num{font-family:var(--num);font-size:36px;font-weight:700;line-height:1;letter-spacing:-1px;color:var(--green-dark)}
.plan-price .unit{font-size:13px;color:var(--muted);margin-left:4px}
.plan-note{font-size:12px;color:var(--muted);margin-top:6px}
.plan-list{margin:18px 0 22px;display:grid;gap:8px}
.plan-list li{display:flex;gap:8px;font-size:14px;line-height:1.6;color:var(--text)}
.plan-card .btn{margin-top:auto;width:100%}
.plan-card.featured{
  background:var(--green);color:#fff;border-color:var(--green);
  transform:translateY(-8px);box-shadow:0 24px 44px -24px rgba(20,72,62,.7);
}
.plan-card.featured:hover{transform:translateY(-10px)}
.plan-card.featured h3,.plan-card.featured .plan-price .cur,.plan-card.featured .plan-price .num{color:#fff}
.plan-card.featured .plan-price .unit,.plan-card.featured .plan-note{color:rgba(255,255,255,.72)}
.plan-card.featured .plan-list li{color:rgba(255,255,255,.92)}
.plan-card.featured .tick{background:rgba(255,255,255,.16)}
.plan-card.featured .tick svg{stroke:#fff}
.plan-card.featured .btn{background:var(--amber);color:#fff;border:0}
.plan-card.featured .btn:hover{background:#F98B49;color:#fff}
.plan-badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--amber);color:#fff;font-size:12px;font-weight:600;
  padding:3px 14px;border-radius:999px;letter-spacing:.04em;white-space:nowrap;
}
.table-scroll{margin-top:36px;overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table.compare{width:100%;border-collapse:collapse;min-width:640px;font-size:14px}
table.compare th,table.compare td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
table.compare thead th{font-size:13px;font-weight:700;color:var(--green-dark);background:var(--soft);letter-spacing:.02em}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:hover{background:var(--soft)}
table.compare td:first-child,table.compare th:first-child{
  position:sticky;left:0;background:#fff;font-weight:600;color:var(--green-dark);z-index:2;
}
table.compare thead th:first-child{background:var(--soft)}
table.compare tbody tr:hover td:first-child{background:var(--soft)}
.compare-note{font-size:13px;color:var(--muted);margin-top:12px}

/* ---------- countdown band ---------- */
.band{
  background:var(--green);color:#fff;border-radius:20px;padding:32px;
  display:flex;align-items:center;gap:32px;flex-wrap:wrap;justify-content:space-between;
}
.band h2{font-size:22px;font-weight:700;line-height:1.4;color:#fff}
.band p{font-size:14px;color:rgba(255,255,255,.75);margin-top:6px;max-width:420px}
.cd-group{display:flex;align-items:center;gap:8px}
.cd-block{
  min-width:64px;padding:8px 6px;text-align:center;border-radius:12px;
  background:#0E3830;font-family:var(--num);font-size:34px;font-weight:700;line-height:1.15;
  letter-spacing:.02em;
}
.cd-block small{display:block;font-family:inherit;font-size:11px;font-weight:500;color:rgba(255,255,255,.6);letter-spacing:.08em;margin-top:2px}
.cd-colon{font-family:var(--num);font-size:26px;font-weight:700;color:rgba(255,255,255,.55);padding-bottom:14px}

/* ---------- path steps ---------- */
.path-card{padding:24px 22px;height:100%;position:relative}
.path-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.path-num{
  font-family:var(--num);font-size:14px;font-weight:700;color:var(--amber);
  letter-spacing:.1em;
}
.path-card h3{font-size:17px;font-weight:700;color:var(--green-dark);margin-top:8px}
.path-card p{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.75}

/* ---------- form ---------- */
.form-panel{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:28px;box-shadow:var(--shadow);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:#3B4742;margin-bottom:7px;letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 14px;height:46px;font-size:15px;color:var(--text);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  appearance:none;-webkit-appearance:none;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235F6B66' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--amber);background:#fff;box-shadow:0 0 0 3px rgba(242,118,46,.16);
}
.field input::placeholder,.field textarea::placeholder{color:#9BA8A2}
.form-privacy{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.7}
.form-aside h2{
  position:relative;padding-left:16px;font-size:clamp(22px,2.4vw,30px);font-weight:700;
  line-height:1.35;color:var(--green-dark);
}
.form-aside h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;background:var(--amber);border-radius:2px}
.aside-list{margin-top:22px;display:grid;gap:14px}
.aside-list li{display:flex;gap:11px;font-size:15px;line-height:1.7;color:var(--text)}
.aside-meta{margin-top:24px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
.aside-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--teal)}

/* ---------- news ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.news-head h2{
  position:relative;padding-left:16px;font-size:clamp(24px,2.6vw,32px);font-weight:700;
  line-height:1.3;color:var(--green-dark);letter-spacing:-.3px;
}
.news-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;background:var(--amber);border-radius:2px}
.news-head .sub{font-size:14px;color:var(--muted);padding-left:16px;margin-top:8px}
.news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);color:inherit}
.news-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:#E7EFEB}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-thumb .badge{
  position:absolute;left:12px;top:12px;background:var(--amber-soft);color:#A34A12;
  font-size:13px;font-weight:600;padding:4px 12px;border-radius:999px;line-height:1.5;
}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-body h3{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--green-dark);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-top:auto;
}
.news-meta .dot{width:4px;height:4px;border-radius:50%;background:#BFC9C4}
.news-meta .more{margin-left:auto;color:var(--teal);font-weight:600}
.empty-state{
  border:1px dashed var(--line);background:var(--soft);border-radius:var(--radius);
  padding:52px 24px;text-align:center;
}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:18px}

/* ---------- faq ---------- */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:18px 0;text-align:left;font-size:16px;font-weight:600;color:var(--green-dark);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--teal)}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;border:1px solid var(--green);
  display:inline-flex;align-items:center;justify-content:center;transition:transform .25s ease,background .25s ease;
}
.faq-icon svg{width:12px;height:12px;stroke:var(--green);fill:none;stroke-width:2;stroke-linecap:round}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:#E6F2EE}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{font-size:15px;line-height:1.85;color:var(--muted);padding:0 44px 20px 0}
.faq-item.is-open .faq-a{max-height:320px}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.8;max-width:280px}
.footer-links{margin-top:16px;display:flex;flex-wrap:wrap;gap:14px}
.footer-links a{font-size:13px;color:var(--muted)}
.footer-links a:hover{color:var(--teal)}
.footer-col h4{font-size:14px;font-weight:700;color:var(--green-dark);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--teal)}
.footer-col .contact-line{font-size:14px;color:var(--muted);line-height:1.9}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:20px 0;
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--muted);text-align:center;
}
.footer-bottom .sep{width:1px;height:12px;background:var(--line)}

/* ---------- responsive ---------- */
@media screen and (max-width:1024px){
  .nav-search{width:170px}
  .main-nav{gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
  .hero{padding:56px 0 72px}
  .plan-card.featured{transform:none}
  .plan-card.featured:hover{transform:translateY(-2px)}
}
@media screen and (max-width:900px){
  .main-nav,.nav-search,.nav-help{display:none}
  .nav-toggle{display:inline-flex}
  .nav-wrap{height:60px}
  .btn-nav{display:none}
}
@media screen and (max-width:768px){
  .container{padding:0 18px}
  .hero::before{width:70%;height:60%;top:auto;bottom:-10%;clip-path:polygon(18% 0,100% 0,100% 100%,0 100%)}
  .hero-copy{max-width:none}
  .hero-visual{margin-top:36px}
  .hero-float{right:8px;bottom:-14px;padding:12px 14px;min-width:170px}
  .band{padding:24px;gap:20px}
  .band h2{font-size:19px}
  .cd-block{min-width:54px;font-size:26px}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .form-panel{padding:22px}
  .faq-a p{padding-right:8px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media screen and (max-width:520px){
  .hero h1{font-size:30px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-metrics{font-size:12px;gap:8px 12px}
  .hero-metrics .sep{display:none}
  .cd-group{width:100%;justify-content:flex-start}
  .band .btn{width:100%}
  .news-thumb .badge{font-size:12px;padding:3px 10px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --green:#14483E;
  --green-deep:#12332C;
  --celadon:#17A98C;
  --amber:#F2762E;
  --amber-soft:#FFE7D6;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --line:#E4DED2;
  --text:#1F2422;
  --muted:#5F6B66;
  --soft:#FBFAF7;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-img:18px;
  --shadow-sm:0 1px 2px rgba(18,51,44,.05);
  --shadow-md:0 1px 2px rgba(18,51,44,.05),0 12px 28px -12px rgba(18,51,44,.16);
  --shadow-lg:0 2px 4px rgba(18,51,44,.06),0 20px 40px -16px rgba(18,51,44,.22);
  --mono:"DIN Alternate",ui-monospace,"SFMono-Regular",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--celadon);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container-narrow{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,244,238,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(18,51,44,.5);}
.nav-wrap{display:flex;align-items:center;gap:22px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--green);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:16px;height:16px;fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{font-size:16px;font-weight:700;letter-spacing:-.2px;color:var(--green-deep);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:6px;}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--text);
  padding:8px 12px;border-radius:8px;transition:color .2s ease,background .2s ease;
  display:inline-block;line-height:1.4;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left center;
  transition:transform .25s ease;border-radius:2px;
}
.nav-link:hover{color:var(--green-deep);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--green);background:rgba(23,169,140,.12);font-weight:600;}
.nav-link.active::after{transform:scaleX(0);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:222px;height:40px;padding:0 10px 0 12px;
  background:var(--soft);border:1px solid var(--line);border-radius:10px;
  color:var(--muted);transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:hover{border-color:#cdc5b4;}
.search-box:focus-within{border-color:var(--amber);box-shadow:0 0 0 3px rgba(242,118,46,.14);}
.search-box svg{width:15px;height:15px;flex:0 0 auto;stroke:var(--muted);fill:none;stroke-width:1.6;stroke-linecap:round;}
.search-box input{
  border:0;background:transparent;font-size:13px;color:var(--text);
  width:100%;height:100%;outline:none;font-family:inherit;
}
.search-box input::placeholder{color:#9AA39E;}
.search-box kbd{
  font-family:var(--mono);font-size:11px;color:var(--muted);
  background:#fff;border:1px solid var(--line);border-radius:5px;
  padding:1px 5px;line-height:1.5;flex:0 0 auto;
}
.nav-ghost{font-size:14px;font-weight:500;color:var(--muted);transition:color .2s ease;white-space:nowrap;}
.nav-ghost:hover{color:var(--celadon);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--amber);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:#ff8642;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm);}
.btn-secondary{background:#fff;color:var(--green);border-color:var(--green);}
.btn-secondary:hover{background:rgba(23,169,140,.1);color:var(--green);transform:translateY(-1px);}
.btn-secondary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--line);}
.btn-ghost:hover{background:#fff;border-color:var(--celadon);color:var(--celadon);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.nav-cta{height:40px;padding:0 20px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--green-deep);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--green-deep);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* Mobile drawer */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:rgba(18,51,44,.08);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.mobile-drawer.open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(360px,86vw);
  background:var(--bg);border-left:1px solid var(--line);
  padding:22px 20px 26px;display:flex;flex-direction:column;gap:16px;
  transform:translateX(100%);transition:transform .28s ease;
  overflow-y:auto;
}
.mobile-drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;font-size:20px;line-height:1;color:var(--green-deep);
  display:flex;align-items:center;justify-content:center;
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav .nav-link{
  display:block;font-size:16px;padding:14px 4px;border-bottom:1px solid var(--line);
  border-radius:0;
}
.drawer-nav .nav-link::after{display:none;}
.drawer-nav .nav-link.active{background:transparent;color:var(--celadon);}

/* ============ Breadcrumb ============ */
.crumbs{background:var(--soft);border-bottom:1px solid var(--line);padding:18px 0;}
.crumbs-inner{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);min-width:0;}
.crumbs a{color:var(--muted);transition:color .2s ease;white-space:nowrap;}
.crumbs a:hover{color:var(--celadon);}
.crumbs .sep{color:#C4BFB2;}
.crumbs .current{
  color:var(--green-deep);font-weight:500;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;
}

/* ============ Article layout ============ */
.article-section{padding:56px 0 88px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start;}
.article-main{min-width:0;}

.article-head{padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:34px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--amber-soft);color:#9C4413;
  font-size:13px;font-weight:600;padding:5px 13px;border-radius:999px;line-height:1.6;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);}
.article-head h1{
  font-size:clamp(26px,3.4vw,38px);line-height:1.3;font-weight:800;
  letter-spacing:-.3px;color:var(--green-deep);margin:18px 0 0;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:13px;color:var(--muted);font-weight:500;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C4BFB2;}
.article-meta strong{color:var(--green-deep);font-weight:600;}

.article-body{font-size:17px;line-height:1.9;color:var(--text);}
.article-body > * + *{margin-top:1.2em;}
.article-body p{font-size:17px;line-height:1.9;}
.article-body h2{
  font-size:24px;font-weight:700;line-height:1.4;color:var(--green-deep);
  margin-top:2em;padding-left:14px;border-left:3px solid var(--amber);
}
.article-body h3{font-size:19px;font-weight:600;color:var(--green-deep);margin-top:1.7em;}
.article-body h4{font-size:17px;font-weight:600;color:var(--green-deep);margin-top:1.4em;}
.article-body ul{list-style:none;padding-left:0;margin:1em 0;}
.article-body ul li{position:relative;padding-left:22px;margin:10px 0;font-size:17px;line-height:1.85;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:8px;height:8px;border-radius:2px;background:var(--celadon);
}
.article-body ol{list-style:none;counter-reset:art;padding-left:0;}
.article-body ol li{position:relative;padding-left:32px;margin:12px 0;counter-increment:art;}
.article-body ol li::before{
  content:counter(art);position:absolute;left:0;top:2px;
  width:22px;height:22px;border-radius:50%;background:rgba(23,169,140,.14);
  color:var(--green);font-size:12px;font-weight:700;line-height:22px;text-align:center;
}
.article-body blockquote{
  margin:1.4em 0;padding:16px 22px;background:var(--soft);
  border-left:3px solid var(--celadon);border-radius:0 12px 12px 0;
  color:var(--muted);font-size:16px;
}
.article-body a{color:var(--celadon);text-decoration:underline;text-underline-offset:3px;}
.article-body img{border-radius:12px;width:100%;margin:1.4em 0;}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;
  display:block;overflow-x:auto;background:var(--soft);border-radius:12px;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:10px 14px;text-align:left;min-width:120px;
}
.article-body th{background:#fff;font-weight:600;color:var(--green-deep);}
.article-body strong{color:var(--green-deep);font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

.article-notice{
  margin-top:44px;display:flex;gap:12px;align-items:flex-start;
  background:var(--soft);border:1px solid var(--line);border-radius:14px;
  padding:16px 20px;font-size:13px;line-height:1.8;color:var(--muted);
}
.article-notice svg{width:18px;height:18px;flex:0 0 auto;margin-top:2px;stroke:var(--celadon);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}

.empty-state{
  background:var(--soft);border:1px dashed #CFC8B8;border-radius:16px;
  padding:56px 24px;text-align:center;
}
.empty-state h2{font-size:20px;font-weight:700;color:var(--green-deep);}
.empty-state p{color:var(--muted);font-size:15px;margin:10px 0 22px;}

/* ============ Sidebar ============ */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-sm);
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--green-deep);
  padding-left:12px;border-left:3px solid var(--amber);line-height:1.4;
}
.toc{display:flex;flex-direction:column;gap:2px;margin-top:16px;}
.toc a{
  font-size:14px;color:var(--muted);padding:8px 10px;border-radius:8px;
  border-left:2px solid transparent;transition:all .2s ease;line-height:1.6;
}
.toc a:hover{background:var(--soft);color:var(--green-deep);border-left-color:var(--celadon);}
.toc a.current{background:rgba(23,169,140,.1);color:var(--green);border-left-color:var(--celadon);font-weight:600;}
.side-links{display:flex;flex-direction:column;gap:14px;margin-top:16px;}
.side-links a{display:block;transition:transform .2s ease;}
.side-links a:hover{transform:translateX(2px);}
.side-links .t{font-size:14px;font-weight:500;color:var(--text);line-height:1.6;}
.side-links a:hover .t{color:var(--celadon);}
.side-links .d{font-size:12px;color:#9AA39E;font-family:var(--mono);margin-top:2px;}
.side-card .btn{width:100%;margin-top:18px;}

/* ============ Related cards ============ */
.related-block{margin-top:72px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{
  font-size:clamp(22px,2.4vw,28px);font-weight:700;color:var(--green-deep);
  padding-left:14px;border-left:4px solid var(--amber);line-height:1.35;
}
.section-head .more{font-size:14px;font-weight:600;color:var(--celadon);position:relative;}
.section-head .more::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--celadon);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.section-head .more:hover::after{transform:scaleX(1);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#D6CFBF;}
.post-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDE9E0;}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-cover img{transform:scale(1.03);}
.post-cover .tag{
  position:absolute;left:12px;top:12px;background:var(--amber-soft);color:#9C4413;
  font-size:13px;font-weight:600;padding:3px 11px;border-radius:999px;line-height:1.7;
}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{
  font-size:17px;font-weight:600;line-height:1.6;color:var(--green-deep);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  font-size:14px;line-height:1.8;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;gap:8px;
  font-size:13px;color:#9AA39E;padding-top:8px;border-top:1px solid var(--line);
}
.post-meta .arrow{margin-left:auto;color:var(--celadon);font-weight:600;display:inline-flex;align-items:center;gap:4px;}
.post-card:hover .post-meta .arrow{color:var(--amber);}

/* ============ CTA strip ============ */
.cta-strip{
  margin-top:64px;background:var(--green);color:#fff;border-radius:20px;
  padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:26px;
  box-shadow:var(--shadow-md);
}
.cta-strip h2{font-size:22px;font-weight:700;line-height:1.5;color:#fff;}
.cta-strip p{font-size:14px;color:rgba(255,255,255,.78);margin-top:6px;}
.cta-strip .btn-primary{flex:0 0 auto;}
.back-row{display:flex;justify-content:center;margin-top:40px;}

/* ============ Footer ============ */
.site-footer{background:#10312A;color:#D8E2DD;padding:64px 0 0;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-mark{background:#1E5A4D;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(216,226,221,.72);max-width:280px;}
.footer-links{display:flex;flex-wrap:wrap;gap:16px;margin-top:16px;}
.footer-links a{font-size:13px;color:rgba(216,226,221,.72);transition:color .2s ease;}
.footer-links a:hover{color:#5ED7BC;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:rgba(216,226,221,.72);transition:color .2s ease;}
.footer-col a:hover{color:#5ED7BC;}
.footer-col .contact-line{font-size:14px;color:rgba(216,226,221,.72);margin-bottom:11px;line-height:1.8;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;
  padding:22px 0 26px;font-size:13px;color:rgba(216,226,221,.58);text-align:center;
}
.footer-bottom .sep{width:1px;height:12px;background:rgba(255,255,255,.18);}

/* ============ Responsive ============ */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:40px;}
  .search-box{width:190px;}
}
@media (max-width:1024px){
  .search-box{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .sidebar{position:static;margin-top:44px;flex-direction:row;flex-wrap:wrap;}
  .side-card{flex:1 1 300px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:860px){
  .main-nav{display:none;}
  .nav-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-wrap{height:64px;}
  .nav-right{gap:10px;}
  .nav-cta{display:none;}
}
@media (max-width:768px){
  .container,.container-narrow{padding:0 18px;}
  .article-section{padding:36px 0 64px;}
  .article-head{padding-bottom:22px;margin-bottom:26px;}
  .article-body{font-size:16px;}
  .article-body p,.article-body ul li{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .card-grid{grid-template-columns:1fr;}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:26px 22px;gap:18px;}
  .cta-strip .btn-primary{width:100%;}
  .sidebar{flex-direction:column;}
  .side-card{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .article-meta{font-size:12px;}
}
@media (max-width:520px){
  .brand-text{font-size:15px;}
  .article-head h1{font-size:24px;}
  .crumbs-inner{font-size:12px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .footer-bottom .sep{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}
/* Override Foundation defaults */
a{color:inherit;}
button,.button{border-radius:var(--radius-btn);}
.menu,.menu a{background:transparent;}

/* roulang page: category1 */
*,*::before,*::after{box-sizing:border-box}
:root{
  --green:#14483E;
  --green-deep:#12332C;
  --celadon:#17A98C;
  --celadon-soft:#E5F4EF;
  --amber:#F2762E;
  --amber-hover:#FF8A44;
  --amber-soft:#FFE7D6;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --line:#E4DED2;
  --text:#1F2422;
  --muted:#5F6B66;
  --soft:#FBFAF7;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow:0 1px 2px rgba(18,51,44,.05),0 12px 28px -12px rgba(18,51,44,.16);
  --shadow-hover:0 2px 4px rgba(18,51,44,.06),0 18px 36px -14px rgba(18,51,44,.24);
  --maxw:1200px;
  --font-num:"DIN Alternate",ui-monospace,"SFMono-Regular",Consolas,monospace;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--celadon);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--green)}
button{font-family:inherit}
p{margin:0 0 1.2em}
h1,h2,h3,h4{margin:0;color:var(--green-deep);line-height:1.3}
ul{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--amber);outline-offset:2px;border-radius:6px;
}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  padding-left:14px;
  border-left:4px solid var(--amber);
  line-height:1.3;
}
.section-head p{margin-top:14px;color:var(--muted);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--amber-soft);color:#8A3B0E;
  font-size:13px;font-weight:600;line-height:1;
  padding:8px 14px;border-radius:var(--radius-pill);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
  min-height:44px;
}
.btn-primary{background:var(--amber);color:#fff;box-shadow:0 10px 22px -14px rgba(242,118,46,.9)}
.btn-primary:hover{background:var(--amber-hover);color:#fff;transform:translateY(-1px);box-shadow:0 16px 28px -14px rgba(242,118,46,.95)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-secondary{background:#fff;color:var(--green);border-color:var(--green)}
.btn-secondary:hover{background:var(--celadon-soft);color:var(--green);transform:translateY(-1px)}
.btn-secondary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--celadon);
  position:relative;
}
.text-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;
  background:currentColor;transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.text-link:hover::after{transform:scaleX(1)}
.text-link svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,244,238,.92);
  backdrop-filter:saturate(140%) blur(12px);
  -webkit-backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 10px 26px -20px rgba(18,51,44,.55)}
.nav-inner{display:flex;align-items:center;gap:26px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--green);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:17px;height:17px;fill:none;stroke:#fff;stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round}
.brand-text{font-size:16px;font-weight:700;letter-spacing:-.2px;color:var(--green-deep);white-space:nowrap}
.main-nav{display:flex;align-items:center;justify-content:center;gap:12px;flex:1 1 auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 12px;border-radius:8px;
  font-size:14px;font-weight:500;color:var(--text);
  transition:color .2s ease,background .2s ease;
  min-height:auto;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--green)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{background:var(--celadon-soft);color:var(--green);font-weight:600}
.nav-link.active::after{display:none}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 10px 0 12px;
  background:var(--soft);border:1px solid var(--line);border-radius:10px;
  color:var(--muted);transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--amber);box-shadow:0 0 0 3px rgba(242,118,46,.16)}
.nav-search svg{width:16px;height:16px;flex:0 0 auto;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
  font-size:13px;color:var(--text);font-family:inherit;
}
.nav-search input::placeholder{color:#98A29D}
.nav-search kbd{
  flex:0 0 auto;font-size:11px;font-family:inherit;color:var(--muted);
  background:#fff;border:1px solid var(--line);border-radius:6px;padding:1px 6px;
}
.nav-quick{font-size:14px;font-weight:500;color:var(--text);white-space:nowrap}
.nav-quick:hover{color:var(--celadon)}
.nav-cta{height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--green);cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,51,44,.55);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:190;
}
.drawer-mask.open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;z-index:200;
  width:min(360px,100%);height:100%;padding:22px;
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s ease;
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--soft);color:var(--green);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;
  background:var(--soft);border:1px solid var(--line);border-radius:12px;color:var(--muted);
}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;font-family:inherit;color:var(--text)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  font-size:16px;line-height:56px;color:var(--text);border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-nav a.active{color:var(--green);font-weight:600}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.drawer-foot .btn{width:100%}

/* ---------- 面包屑 ---------- */
.breadcrumb{background:var(--soft);border-bottom:1px solid var(--line)}
.breadcrumb .container{
  display:flex;align-items:center;gap:8px;
  padding-top:16px;padding-bottom:16px;
  font-size:13px;color:var(--muted);
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--celadon)}
.breadcrumb .sep{color:#BFC7C2}
.breadcrumb .current{color:var(--green);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- Hero ---------- */
.hero{padding:56px 0 72px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;right:0;top:0;width:46%;height:100%;
  background:#EDF4F0;clip-path:polygon(24% 0,100% 0,100% 100%,0 100%);z-index:0;
}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;min-height:320px}
.hero h1{
  font-size:clamp(28px,3.6vw,44px);
  font-weight:800;line-height:1.22;letter-spacing:-.5px;
  margin:18px 0 16px;
}
.hero h1 .hl{color:var(--celadon)}
.hero-sub{font-size:16px;color:var(--muted);max-width:460px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;font-size:13px;color:var(--muted)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--celadon)}
.hero-figure{position:relative;border-radius:20px;overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow)}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;left:0;bottom:0;width:96px;height:96px;
  background:var(--bg);clip-path:polygon(0 0,0 100%,100% 100%);
}
.hero-note{
  position:absolute;right:16px;bottom:16px;z-index:2;
  background:#fff;border-radius:14px;padding:12px 16px;
  box-shadow:var(--shadow);transform:rotate(2deg);
  font-size:12px;color:var(--muted);line-height:1.6;max-width:190px;
}
.hero-note strong{display:block;font-size:14px;color:var(--green-deep);font-family:var(--font-num);font-weight:700}

/* ---------- 步骤（图文错位流） ---------- */
.steps{display:flex;flex-direction:column;gap:22px}
.step-item{position:relative}
.step-item:nth-child(odd){margin-right:64px}
.step-item:nth-child(even){margin-left:64px}
.step-card{
  display:grid;grid-template-columns:96px 1fr auto;gap:26px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 32px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D3E7DF}
.step-num{
  font-family:var(--font-num);font-size:46px;font-weight:700;line-height:1;
  color:var(--celadon);opacity:.4;
}
.step-body h3{font-size:20px;font-weight:600;margin-bottom:8px}
.step-body p{margin:0;color:var(--muted);font-size:15px}
.step-tag{
  font-size:12px;font-weight:600;color:var(--green);
  background:var(--celadon-soft);border-radius:var(--radius-pill);
  padding:7px 14px;white-space:nowrap;
}

/* ---------- 登录前核对 ---------- */
.check-band{
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  padding:40px;box-shadow:var(--shadow);
}
.check-list{display:flex;flex-direction:column;gap:18px;margin-top:26px}
.check-row{display:grid;grid-template-columns:26px 1fr;gap:14px;align-items:start}
.check-icon{
  width:26px;height:26px;border-radius:8px;background:var(--celadon-soft);
  display:inline-flex;align-items:center;justify-content:center;
}
.check-icon svg{width:14px;height:14px;stroke:var(--celadon);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.check-row h4{font-size:16px;font-weight:600;margin-bottom:2px}
.check-row p{margin:0;font-size:14px;color:var(--muted)}
.check-figure{border-radius:16px;overflow:hidden;aspect-ratio:16/11}
.check-figure img{width:100%;height:100%;object-fit:cover}
.progress-wrap{margin-top:26px}
.progress-label{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:8px}
.progress-label b{font-family:var(--font-num);color:var(--green);font-weight:700}
.progress{height:8px;border-radius:var(--radius-pill);background:#EAE5DA;overflow:hidden}
.progress span{display:block;height:100%;width:0;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--celadon),#44C9A6);transition:width 1s ease}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;transition:background .25s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card:hover{background:#F3FAF7;transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#CFE8DE}
.scene-icon{
  width:44px;height:44px;border-radius:12px;background:var(--celadon-soft);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.scene-icon svg{width:22px;height:22px;stroke:var(--green);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.scene-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.scene-card p{font-size:14px;color:var(--muted);margin-bottom:16px}

/* ---------- 登录方式对照 ---------- */
.method-list{display:flex;flex-direction:column;gap:12px}
.method-row{
  display:grid;grid-template-columns:220px 1fr auto;gap:24px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:20px 24px;transition:background .2s ease,box-shadow .2s ease;
}
.method-row:hover{background:var(--soft);box-shadow:var(--shadow)}
.method-name{font-size:16px;font-weight:600;color:var(--green-deep)}
.method-name span{display:block;font-size:13px;font-weight:500;color:var(--muted);margin-top:2px}
.method-desc{font-size:14px;color:var(--muted)}
.method-badge{
  font-size:12px;font-weight:600;color:#8A3B0E;background:var(--amber-soft);
  border-radius:var(--radius-pill);padding:6px 12px;white-space:nowrap;
}
.method-badge.calm{color:var(--green);background:var(--celadon-soft)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--green-deep);line-height:1.6;
}
.faq-q:hover{color:var(--celadon)}
.faq-plus{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--green);position:relative;
  transition:transform .25s ease,background .25s ease;
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--green);
  transform:translate(-50%,-50%);transition:background .25s ease;
}
.faq-plus::before{width:12px;height:1.6px}
.faq-plus::after{width:1.6px;height:12px}
.faq-item.open .faq-plus{transform:rotate(45deg);background:var(--celadon-soft)}
.faq-a{display:none;padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--muted);max-width:700px}
.faq-item.open .faq-a{display:block}

/* ---------- CTA 横条 ---------- */
.cta-band{
  background:var(--green);border-radius:20px;padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  color:#fff;box-shadow:0 18px 40px -26px rgba(18,51,44,.9);
}
.cta-band h2{
  color:#fff;font-size:clamp(20px,2.2vw,26px);font-weight:700;
  border:0;padding:0;margin-bottom:8px;
}
.cta-band p{margin:0;color:rgba(255,255,255,.78);font-size:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 28px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px}
.footer-brand p{font-size:14px;color:var(--muted);margin:16px 0 18px;max-width:300px}
.footer-links{display:flex;flex-wrap:wrap;gap:16px;font-size:13px}
.footer-links a{color:var(--muted)}
.footer-links a:hover{color:var(--celadon)}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--green-deep)}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--celadon)}
.contact-line{font-size:14px;color:var(--muted);margin:0 0 11px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);text-align:center;
}
.footer-bottom .sep{width:1px;height:12px;background:var(--line);display:inline-block}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-search{display:none}
  .nav-inner{gap:16px}
  .main-nav{gap:6px}
  .hero-grid{gap:36px}
  .step-item:nth-child(odd){margin-right:32px}
  .step-item:nth-child(even){margin-left:32px}
  .check-band{grid-template-columns:1fr;gap:32px;padding:32px}
  .method-row{grid-template-columns:180px 1fr auto;gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:860px){
  .main-nav{display:none}
  .nav-quick{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{height:60px}
  .section{padding:64px 0}
  .section--tight{padding:52px 0}
  .hero{padding:40px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero::before{display:none}
  .hero-figure{aspect-ratio:16/10}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px}
  .cta-band .btn{width:100%}
  .step-card{grid-template-columns:64px 1fr;gap:18px;padding:24px}
  .step-tag{grid-column:1 / -1;justify-self:start;margin-top:4px}
  .step-num{font-size:36px}
  .scene-grid{grid-template-columns:1fr}
  .method-row{grid-template-columns:1fr;gap:10px;align-items:flex-start}
  .method-badge{justify-self:start}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .step-item:nth-child(odd){margin-right:0}
  .step-item:nth-child(even){margin-left:0}
  .hero-meta{gap:12px}
  .hero-note{display:none}
  .check-band{padding:24px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:48px 0 24px;margin-top:64px}
  .faq-q{font-size:15px;gap:14px}
  .cta-band h2{font-size:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --green:#14483E;
  --ink:#12332C;
  --celadon:#17A98C;
  --amber:#F2762E;
  --amber-hover:#FF8A45;
  --amber-soft:#FFE7D6;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --line:#E4DED2;
  --text:#1F2422;
  --muted:#5F6B66;
  --soft:#FBFAF7;
  --mint:#E7F3EF;
  --radius-card:16px;
  --radius-btn:12px;
  --shadow-sm:0 1px 2px rgba(18,51,44,.05);
  --shadow-md:0 1px 2px rgba(18,51,44,.05),0 12px 28px -12px rgba(18,51,44,.16);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,"Helvetica Neue",Arial,sans-serif;
  --font-num:"DIN Alternate",ui-monospace,"SF Mono","Menlo",monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--celadon);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--green);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.3;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-title{
  position:relative;
  padding-left:16px;
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.2px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--amber);
}
.section-sub{margin-top:12px;font-size:15px;color:var(--muted);max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  color:#9A4A16;background:var(--amber-soft);
  border-radius:999px;padding:5px 14px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--amber);color:#fff;
  box-shadow:0 6px 16px -8px rgba(242,118,46,.85);
}
.btn-primary:hover{background:var(--amber-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -10px rgba(242,118,46,.9);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px -6px rgba(242,118,46,.8);}
.btn-ghost{background:#fff;color:var(--green);border-color:#BFD6CF;}
.btn-ghost:hover{background:var(--mint);color:var(--green);border-color:var(--celadon);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-dark{background:var(--green);color:#fff;}
.btn-dark:hover{background:#1B5C50;color:#fff;transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--celadon);
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:border-color .2s ease,color .2s ease;
}
.link-arrow:hover{border-bottom-color:var(--celadon);color:var(--green);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,244,238,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-md);}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand:hover{color:inherit;}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--green);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-mark svg{width:18px;height:18px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linejoin:round;stroke-linecap:round;}
.brand-text{font-size:16px;font-weight:700;letter-spacing:-.2px;color:var(--ink);}
.main-nav{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;
  font-size:14px;font-weight:500;color:var(--muted);
  padding:8px 10px;border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--green);background:var(--mint);font-weight:600;}
.nav-link.active::after{display:none;}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 10px;
  background:var(--soft);border:1px solid var(--line);border-radius:10px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--celadon);box-shadow:0 0 0 3px rgba(23,169,140,.15);}
.nav-search svg{width:16px;height:16px;fill:none;stroke:#8A968F;stroke-width:1.6;stroke-linecap:round;flex-shrink:0;}
.nav-search input{
  width:100%;border:0;background:transparent;outline:none;
  font-family:inherit;font-size:13px;color:var(--text);
}
.nav-search input::placeholder{color:#9AA6A0;}
.nav-search kbd{
  font-family:var(--font-num);font-size:11px;color:var(--muted);
  background:#fff;border:1px solid var(--line);border-radius:5px;
  padding:1px 5px;line-height:1.4;flex-shrink:0;
}
.nav-help{font-size:14px;color:var(--muted);white-space:nowrap;}
.nav-help:hover{color:var(--celadon);}
.nav-toggle{
  display:none;width:44px;height:44px;
  align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);border-radius:10px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:background .2s ease;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .25s ease,top .25s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}

.mobile-drawer{position:fixed;inset:0;z-index:95;display:none;}
.mobile-drawer.is-open{display:block;}
.drawer-backdrop{position:absolute;inset:0;background:rgba(18,51,44,.42);}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;
  width:min(360px,88vw);
  background:var(--bg);
  padding:20px;
  display:flex;flex-direction:column;gap:18px;
  overflow-y:auto;
  box-shadow:-18px 0 40px -20px rgba(18,51,44,.55);
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;
  background:#fff;border:1px solid var(--line);border-radius:10px;
}
.drawer-search input{width:100%;border:0;outline:none;background:transparent;font-family:inherit;font-size:14px;}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-nav a{
  display:flex;align-items:center;height:56px;
  font-size:16px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--green);font-weight:700;}
.drawer-panel .btn{margin-top:auto;}

/* ---------- 价签主视觉 ---------- */
.price-hero-wrap{padding:40px 0 0;}
.price-hero{
  position:relative;
  background:var(--amber-soft);
  border-radius:28px 0 0 0;
  padding:48px 44px 44px;
  overflow:hidden;
}
.price-hero::after{
  content:"";position:absolute;right:-60px;bottom:-90px;
  width:280px;height:280px;border-radius:50%;
  background:rgba(242,118,46,.12);
  pointer-events:none;
}
.price-hero .hero-grid{position:relative;z-index:1;}
.price-label{font-size:13px;font-weight:600;color:#9A4A16;letter-spacing:.04em;}
.price-figure{display:flex;align-items:flex-end;gap:10px;margin-top:8px;}
.price-figure .symbol{font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--ink);line-height:1;padding-bottom:8px;}
.price-figure .amount{font-family:var(--font-num);font-size:clamp(46px,6.4vw,64px);font-weight:700;line-height:1;color:var(--ink);letter-spacing:-1px;}
.price-figure .unit{font-size:14px;font-weight:600;color:#8A5A32;padding-bottom:10px;}
.price-desc{margin-top:14px;font-size:15px;color:#6B4A31;max-width:380px;line-height:1.8;}
.hero-perks{display:flex;flex-direction:column;gap:12px;margin-bottom:26px;}
.hero-perks li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:15px;color:#3B2A1C;line-height:1.7;
  background:rgba(255,255,255,.62);
  border:1px solid rgba(255,255,255,.9);
  border-radius:12px;padding:11px 14px;
}
.tick{
  width:18px;height:18px;flex-shrink:0;margin-top:3px;
  border-radius:50%;background:var(--celadon);
  display:inline-flex;align-items:center;justify-content:center;
}
.tick svg{width:10px;height:10px;fill:none;stroke:#fff;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 套餐卡 ---------- */
.plan-grid{row-gap:24px;}
.plan-card{
  position:relative;
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 26px 24px;
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#CFE0DA;}
.plan-card.is-featured{border:2px solid var(--green);padding:25px 25px 23px;}
.plan-badge{
  position:absolute;top:-13px;right:24px;
  background:var(--green);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  padding:3px 12px;border-radius:999px;
}
.plan-name{font-size:18px;font-weight:700;color:var(--ink);}
.plan-tag{margin-top:6px;font-size:13px;color:var(--muted);}
.plan-price-row{display:flex;align-items:baseline;gap:8px;margin:16px 0 4px;}
.plan-price{font-family:var(--font-num);font-size:34px;font-weight:700;color:var(--ink);line-height:1;}
.plan-price small{font-size:14px;font-weight:600;color:var(--muted);font-family:var(--font-cn);}
.plan-cycle{font-size:12.5px;color:var(--muted);}
.plan-list{margin:18px 0 22px;display:flex;flex-direction:column;gap:10px;}
.plan-list li{display:flex;align-items:flex-start;gap:9px;font-size:14.5px;color:var(--text);line-height:1.7;}
.plan-list .tick{margin-top:4px;}
.plan-card .btn{margin-top:auto;}

/* ---------- 对照表 ---------- */
.compare-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow-x:auto;box-shadow:var(--shadow-sm);
  -webkit-overflow-scrolling:touch;
}
table.compare{width:100%;min-width:720px;border-collapse:collapse;font-size:14px;}
.compare th,.compare td{padding:15px 20px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;line-height:1.7;}
.compare thead th{background:#F1EDE4;color:var(--ink);font-weight:700;font-size:13.5px;white-space:nowrap;}
.compare tbody tr:last-child th,.compare tbody tr:last-child td{border-bottom:0;}
.compare tbody tr{transition:background .2s ease;}
.compare tbody tr:hover{background:var(--soft);}
.compare th[scope="row"]{
  position:sticky;left:0;z-index:1;
  background:#fff;font-weight:600;color:var(--ink);min-width:150px;
}
.compare thead th:first-child{position:sticky;left:0;z-index:2;background:#F1EDE4;}
.compare tbody tr:hover th[scope="row"]{background:var(--soft);}
.compare .col-hi{color:var(--green);font-weight:600;}

/* ---------- 步骤 ---------- */
.steps-grid{row-gap:20px;}
.step-card{
  height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 20px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.step-no{
  display:inline-block;
  font-family:var(--font-num);font-size:15px;font-weight:700;
  color:var(--celadon);background:var(--mint);
  border-radius:8px;padding:2px 10px;margin-bottom:12px;
}
.step-card h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.step-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- 图文分栏 ---------- */
.split-grid{row-gap:32px;}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:20px;box-shadow:var(--shadow-md);
}
.split-body h2{margin-bottom:14px;}
.split-body p{font-size:15.5px;color:var(--muted);line-height:1.9;margin-bottom:16px;}
.check-list{display:flex;flex-direction:column;gap:12px;margin:20px 0 26px;}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text);line-height:1.75;}
.check-list .tick{margin-top:4px;background:var(--green);}

/* ---------- 咨询条 ---------- */
.consult-strip{
  background:var(--soft);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  flex-wrap:wrap;
}
.consult-strip p{font-size:15px;color:var(--text);}
.consult-strip p span{color:var(--muted);font-size:13.5px;display:block;margin-top:2px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:800px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--celadon);}
.faq-icon{
  width:28px;height:28px;flex-shrink:0;
  border:1px solid var(--green);border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .25s ease,background .25s ease,border-color .25s ease;
}
.faq-icon svg{width:12px;height:12px;fill:none;stroke:var(--green);stroke-width:2;stroke-linecap:round;}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--mint);border-color:var(--celadon);}
.faq-answer{padding:0 0 22px;max-width:680px;}
.faq-answer p{font-size:15px;color:var(--muted);line-height:1.85;}

/* ---------- CTA 横条 ---------- */
.cta-band{
  background:var(--green);
  color:#fff;
  border-radius:20px;
  padding:38px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,26px);margin-bottom:8px;}
.cta-band p{color:#C9DAD5;font-size:14.5px;line-height:1.8;max-width:520px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#12332C;color:#C9DAD5;padding:64px 0 28px;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-mark{background:#1E5C50;}
.footer-brand p{font-size:14px;color:#A9BEB8;line-height:1.8;margin:16px 0 16px;max-width:280px;}
.footer-links{display:flex;flex-wrap:wrap;gap:16px;}
.footer-links a{font-size:13.5px;color:#A9BEB8;}
.footer-links a:hover{color:#4FD6B8;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#A9BEB8;}
.footer-col a:hover{color:#4FD6B8;}
.contact-line{font-size:13.5px;color:#A9BEB8;line-height:1.9;margin-bottom:6px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8FA7A1;text-align:center;
}
.footer-bottom .sep{width:1px;height:12px;background:rgba(255,255,255,.18);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1100px){
  .main-nav{gap:18px;}
  .nav-search{width:180px;}
  .nav-help{display:none;}
}
@media screen and (max-width:1023px){
  .section{padding:64px 0;}
  .section--tight{padding:48px 0;}
  .nav-search{display:none;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{height:64px;gap:16px;}
  .nav-right .btn{display:none;}
  .price-hero{padding:36px 28px;border-radius:22px 0 0 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:30px 26px;}
}
@media screen and (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .price-hero{padding:28px 22px;}
  .price-figure .amount{font-size:44px;}
  .hero-actions .btn{width:100%;}
  .plan-card{padding:22px 20px;}
  .plan-card.is-featured{padding:21px 19px;}
  .compare th,.compare td{padding:13px 14px;font-size:13.5px;}
  .consult-strip{flex-direction:column;align-items:flex-start;}
  .consult-strip .btn{width:100%;}
  .cta-band{padding:26px 22px;gap:18px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .footer-bottom .sep{display:none;}
}
@media screen and (max-width:520px){
  .brand-text{font-size:15px;max-width:150px;line-height:1.2;}
  .price-hero{border-radius:18px 0 0 0;}
  .hero-perks li{font-size:14px;padding:10px 12px;}
  .faq-item summary{font-size:15px;padding:16px 0;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}