/* roulang page: index */
:root{
  --ink:#0C3B32;
  --ink-2:#14584A;
  --paper:#F5F2EC;
  --surface:#FFFFFF;
  --line:rgba(12,59,50,.12);
  --text:#1B1B18;
  --text-2:#5C5A52;
  --text-inv:#F7F5F0;
  --accent:#C25B36;
  --glow:#D9F26B;
  --r-s:12px;
  --r-m:16px;
  --r-l:20px;
  --shadow-1:0 1px 2px rgba(12,59,50,.06),0 10px 28px -18px rgba(12,59,50,.28);
  --shadow-2:0 2px 6px rgba(12,59,50,.08),0 22px 44px -24px rgba(12,59,50,.38);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:.2s;
  --dur-l:.32s;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,"Segoe UI",sans-serif;
  font-size:1.0625rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 24px}}
@media(min-width:1024px){.wrap{padding:0 40px}}

/* ---------- dock nav ---------- */
.dock{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1080px;height:64px;z-index:60;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 10px 0 16px;border-radius:999px;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid transparent;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.dock.is-scrolled{background:rgba(255,255,255,.86);border-color:var(--line);box-shadow:var(--shadow-1)}
.dock-brand{display:flex;align-items:center;gap:9px;min-width:0}
.brand-mark{width:8px;height:8px;border-radius:2px;background:var(--ink);flex:0 0 auto}
.brand-text{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dock-nav{display:none;align-items:center;gap:2px}
@media(min-width:900px){.dock-nav{display:flex}}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;font-size:14px;color:var(--text-2);transition:color var(--dur) var(--ease),background var(--dur) var(--ease)}
.nav-link:hover{color:var(--ink);background:rgba(12,59,50,.06)}
.nav-link:active{transform:translateY(1px)}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--glow);box-shadow:0 0 0 1px rgba(12,59,50,.25)}
.dock-actions{display:flex;align-items:center;gap:8px}
.icon-btn{width:40px;height:40px;border-radius:999px;display:grid;place-items:center;color:var(--ink);border:1px solid transparent;transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.icon-btn:hover{background:rgba(12,59,50,.07);border-color:var(--line)}
.dock-cta{display:none}
@media(min-width:640px){.dock-cta{display:inline-flex}}
.burger{width:44px;height:44px;border-radius:999px;display:grid;place-items:center;color:var(--ink);border:1px solid var(--line)}
@media(min-width:900px){.burger{display:none}}
.burger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px}
.burger span+span{margin-top:5px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:700;line-height:1;transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease)}
.btn svg{transition:transform var(--dur) var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--ink);color:var(--text-inv);box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--ink-2);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid rgba(12,59,50,.35)}
.btn-ghost:hover{background:rgba(12,59,50,.08);border-color:var(--ink)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--ink);position:relative;padding-bottom:2px}
.link-arrow::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);transition:width var(--dur-l) var(--ease)}
.link-arrow:hover::after{width:100%}
.link-arrow svg{transition:transform var(--dur) var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- section basics ---------- */
main{display:block}
.section{padding:56px 0}
@media(min-width:768px){.section{padding:80px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.sec-label{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;color:var(--text-2);margin-bottom:16px}
.sec-label::before{content:"";width:8px;height:8px;background:var(--glow);border-radius:2px;box-shadow:0 0 0 1px rgba(12,59,50,.18)}
.sec-title{font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.2;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.sec-desc{margin-top:12px;max-width:62ch;color:var(--text-2);font-size:.95rem;line-height:1.75}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px}
.rule{height:1px;background:var(--line);width:100%}

/* ---------- hero ---------- */
.hero{position:relative;padding:104px 0 56px;overflow:hidden}
@media(min-width:1024px){.hero{padding:140px 0 96px}}
.hero::before{
  content:"01";position:absolute;right:-10px;top:40px;font-size:clamp(9rem,22vw,19rem);line-height:.8;font-weight:800;
  color:rgba(12,59,50,.045);letter-spacing:-.06em;pointer-events:none;user-select:none;
}
.hero-grid{position:relative;display:grid;gap:40px;grid-template-columns:1fr}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px;align-items:start}}
.hero-title{font-size:clamp(1.9rem,4.2vw,3.6rem);line-height:1.12;letter-spacing:-.02em;font-weight:800;color:var(--ink);margin:0 0 20px}
.hero-title .kw{display:inline;border-bottom:6px solid rgba(217,242,107,.85);padding-bottom:2px}
.hero-sub{font-size:1.0625rem;line-height:1.8;color:var(--text-2);max-width:52ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px;padding-top:22px;border-top:1px solid var(--line)}
.metric-name{font-size:12px;letter-spacing:.04em;color:var(--text-2)}
.metric-val{font-size:1.05rem;font-weight:800;color:var(--ink);margin-top:4px;font-variant-numeric:tabular-nums}
.hero-visual{position:relative}
.hero-img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r-s);box-shadow:var(--shadow-1);outline:1px solid rgba(255,255,255,.3);outline-offset:-1px}
.float-card{position:absolute;left:12px;bottom:12px;display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:999px;background:rgba(255,255,255,.95);border:1px solid var(--line);box-shadow:var(--shadow-1);font-size:13px;color:var(--ink);font-weight:700}
.float-card i{width:8px;height:8px;border-radius:999px;background:var(--glow);box-shadow:0 0 0 1px rgba(12,59,50,.25);flex:0 0 auto}

/* ---------- pain ---------- */
.pain-grid{display:grid;gap:8px;margin-top:40px}
@media(min-width:900px){.pain-grid{grid-template-columns:4fr 8fr;gap:48px}}
.pain-list{border-top:1px solid var(--line)}
.pain-item{display:grid;grid-template-columns:56px 1fr;gap:16px;align-items:start;padding:22px 12px;border-bottom:1px solid var(--line);transition:background var(--dur) var(--ease),transform var(--dur) var(--ease)}
.pain-item:hover{background:rgba(12,59,50,.04);transform:translateX(4px)}
.pain-num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:22px;font-weight:700;color:var(--accent);letter-spacing:-.02em;line-height:1.5;font-variant-numeric:tabular-nums}
.pain-q{font-size:1.0625rem;line-height:1.7;color:var(--text);font-weight:600}
.pain-note{margin-top:18px;font-size:.8125rem;line-height:1.7;color:var(--text-2)}
.pain-side .sec-desc{margin-top:16px}

/* ---------- plans ---------- */
.plan-grid{display:grid;gap:20px;margin-top:40px}
@media(min-width:1024px){.plan-grid{grid-template-columns:7fr 5fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--shadow-1);transition:box-shadow var(--dur-l) var(--ease),transform var(--dur-l) var(--ease),border-color var(--dur-l) var(--ease);overflow:hidden}
.card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:rgba(12,59,50,.3)}
.card-media{width:100%;aspect-ratio:16/10;object-fit:cover}
.card-body{padding:24px}
@media(min-width:768px){.card-body{padding:28px}}
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;border:1px solid var(--line);color:var(--accent);font-size:12px;letter-spacing:.04em;line-height:1.6}
.card-title{font-size:1.25rem;font-weight:700;line-height:1.45;color:var(--ink);margin-top:14px}
.card-desc{margin-top:10px;font-size:.95rem;line-height:1.75;color:var(--text-2)}
.card-points{margin-top:16px;border-top:1px solid var(--line);padding-top:14px;display:grid;gap:10px}
.card-points li{position:relative;padding-left:18px;font-size:.95rem;color:var(--text-2);line-height:1.7}
.card-points li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;background:var(--accent);border-radius:2px}
.card-link{margin-top:18px}
.narrow-stack{display:grid;gap:20px}
.card-narrow{position:relative;padding-left:24px}
.card-narrow::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;background:var(--accent);transform:scaleY(0);transform-origin:top;transition:transform var(--dur-l) var(--ease)}
.card-narrow:hover::before{transform:scaleY(1)}
.narrow-num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;color:var(--accent);letter-spacing:.08em}

/* ---------- stats ---------- */
.stats{background:var(--ink);color:var(--text-inv);position:relative;overflow:hidden}
.stats::after{content:"";position:absolute;right:0;bottom:0;width:46%;height:100%;background-image:url('/assets/images/coverpic/cover-6.webp');background-size:cover;background-position:center;opacity:.1;clip-path:polygon(38% 0,100% 0,100% 100%,0 100%);pointer-events:none}
.stats-inner{position:relative;z-index:1}
.stats .sec-label{color:rgba(247,245,240,.72)}
.stats .sec-title{color:var(--text-inv)}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 20px;margin-top:40px}
@media(min-width:1024px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.stat-num{font-size:clamp(2.6rem,5vw,4.25rem);line-height:1;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.03em;display:inline-block;border-bottom:2px solid var(--glow);padding-bottom:10px}
.stat-label{margin-top:14px;font-size:14px;color:rgba(247,245,240,.86);line-height:1.7}
.stats-note{position:relative;z-index:1;margin-top:32px;padding-top:18px;border-top:1px solid rgba(247,245,240,.18);font-size:13px;color:rgba(247,245,240,.7);line-height:1.75}

/* ---------- news ---------- */
.news-grid{display:grid;gap:24px;margin-top:32px}
@media(min-width:1024px){.news-grid{grid-template-columns:7fr 5fr;gap:32px}}
.news-main{display:block}
.news-main .card-body{padding:24px}
@media(min-width:768px){.news-main .card-body{padding:28px}}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:12px;color:var(--text-2);margin-top:14px;letter-spacing:.02em}
.news-meta .dot{width:3px;height:3px;border-radius:999px;background:var(--text-2);opacity:.6}
.news-list{border-top:1px solid var(--line)}
.news-row{display:block;border-bottom:1px solid var(--line);padding:18px 4px;transition:background var(--dur) var(--ease),transform var(--dur) var(--ease)}
.news-row:hover{background:rgba(12,59,50,.04);transform:translateX(4px)}
.news-row-inner{display:grid;grid-template-columns:1fr 20px;gap:14px;align-items:start}
.news-side{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:var(--accent);letter-spacing:.02em;margin-bottom:6px}
.news-title{font-size:1rem;font-weight:700;line-height:1.55;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-snip{margin-top:6px;font-size:.875rem;color:var(--text-2);line-height:1.65;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-arrow{color:var(--text-2);transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);margin-top:2px}
.news-row:hover .news-arrow{color:var(--ink);transform:translateX(3px)}
.empty{margin-top:32px;min-height:240px;display:grid;place-items:center;text-align:center;gap:14px;border:1px dashed rgba(12,59,50,.24);border-radius:var(--r-l);background:rgba(255,255,255,.5);padding:32px}
.empty p{color:var(--text-2);font-size:.95rem}

/* ---------- faq ---------- */
.faq-layout{display:grid;gap:32px;margin-top:36px}
@media(min-width:1024px){.faq-layout{grid-template-columns:4fr 8fr;gap:56px;align-items:start}}
.faq-side{position:relative}
@media(min-width:1024px){.faq-side{position:sticky;top:104px}}
.faq-side .sec-desc{margin-top:14px}
.faq-side .btn{margin-top:22px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;padding:20px 4px;min-height:64px;font-size:1.0625rem;font-weight:700;color:var(--ink);line-height:1.5;transition:background var(--dur) var(--ease),padding var(--dur) var(--ease)}
.faq-q:hover{background:rgba(12,59,50,.04);padding-left:12px;padding-right:12px}
.faq-plus{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform var(--dur-l) var(--ease)}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--ink);border-radius:2px}
.faq-plus::before{left:0;top:10px;width:22px;height:2px}
.faq-plus::after{left:10px;top:0;width:2px;height:22px}
.faq-item.open .faq-plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--dur-l) var(--ease)}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{padding:0 4px 22px;max-width:68ch;font-size:.95rem;line-height:1.8;color:var(--text-2)}

/* ---------- cta band ---------- */
.cta-band{background:var(--ink);color:var(--text-inv);border-radius:var(--r-l);padding:32px 24px;box-shadow:var(--shadow-1)}
@media(min-width:768px){.cta-band{padding:44px}}
.cta-grid{display:grid;gap:28px;align-items:center}
@media(min-width:1024px){.cta-grid{grid-template-columns:7fr 5fr}}
.cta-band .sec-title{color:var(--text-inv)}
.cta-band .sec-desc{color:rgba(247,245,240,.8);margin-top:14px}
.cta-points{display:grid;gap:12px;margin-top:22px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:.95rem;color:rgba(247,245,240,.9);line-height:1.7}
.cta-points svg{flex:0 0 auto;margin-top:5px;color:var(--glow)}
.cta-action .btn-primary{background:var(--glow);color:var(--ink)}
.cta-action .btn-primary:hover{background:#e6f98f;color:var(--ink)}
.cta-privacy{margin-top:14px;font-size:13px;line-height:1.7;color:rgba(247,245,240,.7)}
.cta-privacy a{color:var(--text-inv);text-decoration:underline;text-underline-offset:3px}

/* ---------- privacy block ---------- */
.privacy{padding:48px 0 56px;border-top:1px solid var(--line)}
@media(min-width:1024px){.privacy{padding:56px 0 72px}}
.privacy-title{font-size:13px;letter-spacing:.08em;color:var(--text-2);margin-bottom:18px}
.privacy-list{display:grid;gap:14px}
@media(min-width:900px){.privacy-list{grid-template-columns:repeat(4,1fr);gap:0}}
.privacy-list li{position:relative;font-size:.8125rem;line-height:1.75;color:var(--text-2);padding-left:16px}
@media(min-width:900px){.privacy-list li{padding:0 22px;border-left:1px solid var(--line)}.privacy-list li:first-child{padding-left:0;border-left:0}}
.privacy-list li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;background:var(--accent);border-radius:2px}
@media(min-width:900px){.privacy-list li::before{display:none}}
.privacy-list b{display:block;color:var(--text);font-weight:700;margin-bottom:2px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--text-inv);padding:56px 0 24px}
@media(min-width:1024px){.site-footer{padding:72px 0 28px}}
.foot-grid{display:grid;gap:36px}
@media(min-width:768px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}}
.foot-brand{display:flex;align-items:center;gap:9px;margin-bottom:16px}
.foot-brand .brand-mark{background:var(--glow)}
.foot-brand span{font-size:16px;font-weight:800;letter-spacing:-.01em}
.foot-desc{font-size:.875rem;line-height:1.8;color:rgba(247,245,240,.72);max-width:34ch}
.foot-contact{margin-top:16px;font-size:13px;line-height:1.9;color:rgba(247,245,240,.7)}
.foot-col-title{font-size:12px;letter-spacing:.08em;color:rgba(247,245,240,.55);margin-bottom:14px}
.foot-links{display:grid;gap:10px}
.foot-links a{font-size:14px;color:rgba(247,245,240,.85);transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);display:inline-block}
.foot-links a:hover{color:var(--glow);transform:translateX(3px)}
.foot-cta p{font-size:.875rem;line-height:1.75;color:rgba(247,245,240,.72);margin-bottom:14px}
.foot-bottom{margin-top:40px;padding-top:18px;border-top:1px solid rgba(247,245,240,.16);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12px;color:rgba(247,245,240,.6)}
.foot-bottom a{color:rgba(247,245,240,.7)}
.foot-bottom a:hover{color:var(--glow)}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:80;background:var(--paper);display:none;flex-direction:column;padding:22px 20px 28px}
.drawer.is-open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}
.drawer-link{display:block;padding:18px 4px;font-size:1.5rem;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line);opacity:0;transform:translateY(8px);transition:opacity .3s var(--ease),transform .3s var(--ease)}
.drawer.is-open .drawer-link{opacity:1;transform:none}
.drawer-link:nth-child(1){transition-delay:.03s}
.drawer-link:nth-child(2){transition-delay:.06s}
.drawer-link:nth-child(3){transition-delay:.09s}
.drawer-link:nth-child(4){transition-delay:.12s}
.drawer-foot{margin-top:auto;padding-top:24px}
.drawer-foot .btn{width:100%}
.drawer-note{margin-top:12px;font-size:12px;color:var(--text-2);line-height:1.7}

/* ---------- modal & search ---------- */
.overlay{position:fixed;inset:0;z-index:90;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(12,59,50,.45);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.overlay.is-open{display:flex}
.panel{position:relative;width:100%;max-width:520px;background:var(--surface);border-radius:var(--r-l);box-shadow:var(--shadow-2);padding:28px;max-height:90vh;overflow:auto}
@media(min-width:768px){.panel{padding:32px}}
.panel-title{font-size:1.375rem;font-weight:800;color:var(--ink);line-height:1.4;padding-right:36px}
.panel-sub{margin-top:8px;font-size:.875rem;color:var(--text-2);line-height:1.7}
.panel-close{position:absolute;right:14px;top:14px;width:40px;height:40px;border-radius:999px;display:grid;place-items:center;color:var(--text-2);transition:background var(--dur) var(--ease),color var(--dur) var(--ease)}
.panel-close:hover{background:rgba(12,59,50,.08);color:var(--ink)}
.field{margin-top:18px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:8px}
.field input,.field textarea{width:100%;padding:12px 14px;border-radius:var(--r-s);border:1px solid var(--line);background:var(--paper);font-size:15px;line-height:1.6;transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease)}
.field textarea{min-height:104px;resize:vertical}
.field input:hover,.field textarea:hover{border-color:rgba(12,59,50,.28)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--ink);background:var(--surface);box-shadow:0 0 0 3px rgba(12,59,50,.1)}
.check-row{display:flex;gap:10px;align-items:flex-start;margin-top:18px;font-size:13px;line-height:1.7;color:var(--text-2)}
.check-row input{width:18px;height:18px;margin-top:3px;flex:0 0 auto;accent-color:var(--ink)}
.check-row a{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.form-msg{margin-top:14px;font-size:13px;line-height:1.7;color:var(--accent);display:none}
.form-msg.show{display:block}
.form-ok{margin-top:16px;padding:14px;border-radius:var(--r-s);border:1px solid rgba(12,59,50,.24);background:rgba(217,242,107,.22);font-size:14px;color:var(--ink);display:none}
.form-ok.show{display:block}
.search-panel{max-width:560px}
.search-input{margin-top:18px;width:100%;padding:14px 16px;border-radius:999px;border:1px solid var(--line);background:var(--paper);font-size:15px}
.search-input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(12,59,50,.1)}
.search-tips{margin-top:16px;font-size:13px;color:var(--text-2);line-height:1.75}
.search-links{margin-top:14px;display:grid;gap:8px}
.search-links a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-radius:var(--r-s);border:1px solid var(--line);background:var(--paper);font-size:14px;font-weight:700;color:var(--ink);transition:background var(--dur) var(--ease),transform var(--dur) var(--ease)}
.search-links a:hover{background:rgba(12,59,50,.06);transform:translateX(3px)}
body.locked{overflow:hidden}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
    --ink:#0C3B32;
    --ink-2:#14584A;
    --paper:#F5F2EC;
    --surface:#FFFFFF;
    --line:rgba(12,59,50,.12);
    --text:#1B1B18;
    --text-2:#5C5A52;
    --text-inv:#F7F5F0;
    --accent:#C25B36;
    --glow:#D9F26B;
    --shadow-1:0 1px 2px rgba(12,59,50,.06),0 10px 28px -18px rgba(12,59,50,.28);
    --shadow-2:0 2px 6px rgba(12,59,50,.08),0 18px 42px -20px rgba(12,59,50,.34);
    --r-card:18px;
    --r-img:12px;
    --r-pill:999px;
    --ease:cubic-bezier(.2,.7,.2,1);
    --f-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
    --sp-section:56px;
    --max:1200px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,"Segoe UI",sans-serif;
    font-size:1.0625rem;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  body.is-locked{overflow:hidden}
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  h1,h2,h3{letter-spacing:-.02em}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
  .wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

  /* ---------- 浮动 Dock 导航 ---------- */
  .dock{
    position:fixed;top:16px;left:50%;transform:translateX(-50%);
    width:calc(100% - 32px);max-width:1080px;z-index:50;
  }
  .dock-inner{
    display:flex;align-items:center;gap:16px;
    height:64px;padding:0 12px 0 18px;
    border-radius:var(--r-pill);
    background:rgba(255,255,255,.72);
    border:1px solid transparent;
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    transition:background .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
  }
  .dock.is-scrolled .dock-inner{
    background:rgba(255,255,255,.86);
    border-color:var(--line);
    box-shadow:var(--shadow-1);
  }
  .brand{display:flex;align-items:center;gap:9px;flex-shrink:0}
  .brand-mark{
    width:9px;height:9px;border-radius:2px;background:var(--ink);
    box-shadow:0 0 0 3px rgba(12,59,50,.1);
  }
  .brand-text{font-weight:800;font-size:1.0625rem;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
  .dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;gap:6px;
    padding:9px 14px;border-radius:var(--r-pill);
    font-size:.9375rem;color:var(--text-2);
    transition:color .2s var(--ease),background .2s var(--ease);
  }
  .nav-link:hover{color:var(--ink);background:rgba(12,59,50,.05)}
  .nav-link.active{color:var(--ink);font-weight:700}
  .nav-link.active::before{
    content:"";width:6px;height:6px;border-radius:50%;
    background:var(--glow);box-shadow:0 0 0 3px rgba(217,242,107,.28);
  }
  .dock-actions{display:flex;align-items:center;gap:8px}
  .icon-btn{
    width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
    border-radius:var(--r-pill);color:var(--ink);
    transition:background .2s var(--ease);
  }
  .icon-btn:hover{background:rgba(12,59,50,.06)}
  .burger{display:none}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:46px;padding:0 24px;border-radius:var(--r-pill);
    font-size:.9375rem;font-weight:700;letter-spacing:.01em;
    transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
  }
  .btn-primary{background:var(--ink);color:var(--text-inv);box-shadow:var(--shadow-1)}
  .btn-primary:hover{background:var(--ink-2);box-shadow:var(--shadow-2)}
  .btn-primary:active{transform:translateY(1px)}
  .btn-ghost{background:transparent;color:var(--ink);border:1px solid rgba(12,59,50,.35)}
  .btn-ghost:hover{background:rgba(12,59,50,.08);border-color:var(--ink)}
  .btn-sm{min-height:38px;padding:0 18px;font-size:.875rem}
  .btn-arrow::after{content:"→";display:inline-block;transition:transform .2s var(--ease)}
  .btn-arrow:hover::after{transform:translateX(4px)}

  /* 移动抽屉 */
  .drawer{
    position:fixed;inset:0;z-index:60;background:var(--paper);
    padding:96px 24px 32px;display:flex;flex-direction:column;gap:8px;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
  }
  body.is-drawer .drawer{opacity:1;visibility:visible;transform:translateY(0)}
  .drawer a.drawer-link{
    font-size:1.5rem;font-weight:700;color:var(--ink);
    padding:14px 0;border-bottom:1px solid var(--line);
    opacity:0;transform:translateY(10px);
  }
  body.is-drawer .drawer a.drawer-link{animation:riseIn .34s var(--ease) forwards}
  body.is-drawer .drawer a.drawer-link:nth-child(1){animation-delay:.03s}
  body.is-drawer .drawer a.drawer-link:nth-child(2){animation-delay:.06s}
  body.is-drawer .drawer a.drawer-link:nth-child(3){animation-delay:.09s}
  body.is-drawer .drawer a.drawer-link:nth-child(4){animation-delay:.12s}
  @keyframes riseIn{to{opacity:1;transform:translateY(0)}}
  .drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
  .drawer-foot .note{font-size:.8125rem;color:var(--text-2);line-height:1.7}

  /* ---------- 页面骨架 ---------- */
  .page{padding-top:104px}
  .crumb{
    display:flex;align-items:center;gap:8px;
    font-size:.8125rem;color:var(--text-2);
    overflow-x:auto;white-space:nowrap;padding:6px 0 0;
    scrollbar-width:none;
  }
  .crumb::-webkit-scrollbar{display:none}
  .crumb a{color:var(--text-2);transition:color .2s var(--ease)}
  .crumb a:hover{color:var(--accent)}
  .crumb span.sep{color:rgba(12,59,50,.3)}
  .crumb .crumb-cur{color:var(--text-2)}

  /* ---------- 页头 ---------- */
  .page-head{position:relative;padding:36px 0 var(--sp-section);overflow:hidden}
  .page-head::before{
    content:"01";position:absolute;right:-30px;top:-40px;
    font-family:var(--f-mono);font-size:clamp(160px,26vw,340px);line-height:1;
    color:rgba(12,59,50,.045);font-weight:800;pointer-events:none;user-select:none;
  }
  .head-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;position:relative}
  .tag{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:var(--r-pill);
    border:1px solid var(--line);background:rgba(255,255,255,.6);
    font-size:.75rem;letter-spacing:.04em;color:var(--accent);
  }
  .tag::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--accent)}
  h1{
    margin-top:20px;
    font-size:clamp(1.9rem,4.2vw,3.6rem);
    line-height:1.12;font-weight:800;
  }
  .head-sub{margin-top:18px;max-width:46ch;font-size:1.0625rem;color:var(--text-2);line-height:1.85}
  .head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .head-figure{position:relative}
  .head-figure img{
    width:100%;aspect-ratio:4/5;object-fit:cover;
    border-radius:var(--r-card);
    box-shadow:inset 0 0 0 1px rgba(255,255,255,.3),var(--shadow-1);
  }
  .float-card{
    position:absolute;left:-12px;bottom:20px;
    display:flex;align-items:center;gap:10px;
    padding:12px 18px;border-radius:var(--r-pill);
    background:var(--surface);box-shadow:var(--shadow-2);
    font-size:.8125rem;color:var(--ink);max-width:calc(100% - 16px);
  }
  .float-card .dot{width:8px;height:8px;border-radius:50%;background:var(--glow);flex-shrink:0}

  /* ---------- 指引主体 ---------- */
  .guide-section{padding-bottom:var(--sp-section)}
  .guide-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:56px;align-items:start}
  .guide-index{position:sticky;top:104px;align-self:start}
  .index-title{
    display:flex;align-items:center;gap:8px;
    font-size:.75rem;letter-spacing:.08em;color:var(--text-2);
    text-transform:uppercase;font-family:var(--f-mono);
    padding-bottom:14px;border-bottom:1px solid var(--line);
  }
  .index-title::before{content:"";width:8px;height:8px;border-radius:1px;background:var(--glow)}
  .index-list{margin-top:10px}
  .index-list a{
    display:block;padding:11px 0 11px 14px;
    border-left:3px solid transparent;
    font-size:.9375rem;color:var(--text-2);
    transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
  }
  .index-list a:hover{color:var(--ink);background:rgba(12,59,50,.04)}
  .index-list a.is-current{border-left-color:var(--glow);color:var(--ink);font-weight:700}

  .guide-body{max-width:780px}
  .step{
    display:grid;grid-template-columns:auto minmax(0,1fr);gap:24px;
    padding:36px 0;border-top:1px solid var(--line);
    scroll-margin-top:104px;
  }
  .step:first-child{border-top:0;padding-top:0}
  .step-num{
    font-family:var(--f-mono);font-size:2.75rem;line-height:1;font-weight:800;
    color:var(--accent);letter-spacing:-.03em;font-variant-numeric:tabular-nums;
    min-width:64px;
  }
  @supports (-webkit-text-stroke:1px #000){
    .step-num{color:transparent;-webkit-text-stroke:1.5px var(--accent)}
  }
  .step h3{font-size:1.25rem;font-weight:700;line-height:1.45}
  .step p{margin-top:12px;color:var(--text-2);font-size:1rem;line-height:1.85;max-width:64ch}
  .step-figure{margin-top:20px}
  .step-figure img{
    width:100%;aspect-ratio:16/9;object-fit:cover;
    border-radius:var(--r-img);border:1px solid var(--line);
  }
  .step-figure figcaption{margin-top:10px;font-size:.8125rem;color:var(--text-2)}
  .step-list{margin-top:16px;display:grid;gap:8px}
  .step-list li{
    position:relative;padding-left:20px;
    font-size:.9375rem;color:var(--text-2);line-height:1.8;
  }
  .step-list li::before{
    content:"";position:absolute;left:2px;top:.72em;
    width:6px;height:6px;border-radius:1px;background:var(--accent);
  }

  .notice{
    display:flex;flex-wrap:wrap;align-items:center;gap:18px;
    margin-top:40px;padding:22px 24px;
    background:rgba(12,59,50,.05);
    border-left:3px solid var(--ink);
    border-radius:0 var(--r-card) var(--r-card) 0;
    scroll-margin-top:104px;
  }
  .notice p{flex:1 1 320px;font-size:.9375rem;color:var(--text-2);line-height:1.8;margin:0}

  /* ---------- 检查清单 ---------- */
  .check-section{padding-bottom:var(--sp-section)}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}
  .sec-label{display:flex;align-items:center;gap:8px;font-size:.75rem;letter-spacing:.08em;color:var(--text-2);font-family:var(--f-mono);text-transform:uppercase}
  .sec-label::before{content:"";width:8px;height:8px;border-radius:1px;background:var(--glow)}
  h2{margin-top:14px;font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.2;font-weight:800}
  .sec-sub{margin-top:12px;color:var(--text-2);font-size:.95rem;max-width:52ch}
  .check-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
  .card{
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--r-card);box-shadow:var(--shadow-1);
    padding:26px 28px;
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(12,59,50,.3)}
  .card h3{font-size:1.25rem;font-weight:700}
  .card .card-sub{margin-top:10px;font-size:.9375rem;color:var(--text-2);line-height:1.8}
  .check-list{margin-top:18px;display:grid;gap:0}
  .check-list li{
    display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;
    padding:14px 0;border-top:1px solid var(--line);
    font-size:.9375rem;color:var(--text-2);line-height:1.8;
  }
  .check-list li:first-child{border-top:0;padding-top:4px}
  .check-list .idx{font-family:var(--f-mono);font-size:.75rem;color:var(--accent);padding-top:.45em;letter-spacing:.06em}
  .text-link{
    display:inline-flex;align-items:center;gap:6px;
    margin-top:18px;font-size:.9375rem;font-weight:700;color:var(--ink);
    position:relative;
  }
  .text-link::after{content:"→";transition:transform .2s var(--ease)}
  .text-link:hover::after{transform:translateX(4px)}
  .text-link .ul{
    position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--accent);
    transition:width .24s var(--ease);
  }
  .text-link:hover .ul{width:100%}

  /* ---------- FAQ ---------- */
  .faq-section{padding-bottom:var(--sp-section);scroll-margin-top:104px}
  .faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
  .faq-aside{position:sticky;top:104px}
  .faq-list{border-top:1px solid var(--line)}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    min-height:68px;padding:18px 4px;text-align:left;
    font-size:1.0625rem;font-weight:700;color:var(--ink);
    transition:color .2s var(--ease),background .2s var(--ease);
  }
  .faq-q:hover{background:rgba(12,59,50,.04)}
  .faq-q .plus{
    flex-shrink:0;width:28px;height:28px;border-radius:50%;
    border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
    font-size:1rem;font-weight:400;color:var(--ink);
    transition:transform .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
  }
  .faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--ink);color:var(--text-inv);border-color:var(--ink)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
  .faq-a p{padding:0 48px 22px 4px;font-size:.9375rem;line-height:1.85;color:var(--text-2);max-width:68ch}

  /* ---------- CTA ---------- */
  .cta-section{padding-bottom:var(--sp-section)}
  .cta-box{
    display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
    background:var(--ink);color:var(--text-inv);
    border-radius:var(--r-card);padding:44px 48px;
    position:relative;overflow:hidden;
  }
  .cta-box::after{
    content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;
    border:1px solid rgba(247,245,240,.14);border-radius:50%;
  }
  .cta-box h2{color:var(--text-inv);margin-top:0}
  .cta-box p{margin-top:14px;color:rgba(247,245,240,.74);font-size:.9375rem;line-height:1.8;max-width:46ch}
  .cta-points{margin-top:20px;display:grid;gap:8px}
  .cta-points li{display:flex;gap:10px;font-size:.9375rem;color:rgba(247,245,240,.86)}
  .cta-points li::before{content:"";width:14px;height:14px;margin-top:.5em;border-radius:3px;border:1px solid rgba(217,242,107,.7);background:rgba(217,242,107,.18);flex-shrink:0}
  .cta-side{position:relative;z-index:1;display:flex;flex-direction:column;gap:14px;align-items:flex-start}
  .cta-side .btn-primary{background:var(--text-inv);color:var(--ink)}
  .cta-side .btn-primary:hover{background:var(--glow);color:var(--ink)}
  .cta-side .note{font-size:.8125rem;color:rgba(247,245,240,.62);line-height:1.7}
  .cta-side .note a{color:var(--glow);text-decoration:underline;text-underline-offset:3px}

  /* ---------- 隐私说明 ---------- */
  .privacy-section{padding-bottom:72px;scroll-margin-top:104px}
  .privacy-box{
    border-top:1px solid var(--line);padding-top:28px;
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;
  }
  .privacy-box h3{font-size:.9375rem;font-weight:700;color:var(--ink)}
  .privacy-box p{margin-top:8px;font-size:.8125rem;line-height:1.75;color:var(--text-2)}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:var(--text-inv);padding:64px 0 28px;margin-top:0}
  .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
  .foot-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.0625rem}
  .foot-brand .brand-mark{background:var(--glow);box-shadow:0 0 0 3px rgba(217,242,107,.16)}
  .foot-desc{margin-top:16px;font-size:.875rem;line-height:1.8;color:rgba(247,245,240,.7);max-width:34ch}
  .foot-contact{margin-top:14px;font-size:.8125rem;line-height:1.8;color:rgba(247,245,240,.55)}
  .foot-col-title{font-size:.75rem;letter-spacing:.08em;color:rgba(247,245,240,.5);font-family:var(--f-mono);text-transform:uppercase}
  .foot-links{margin-top:16px;display:grid;gap:10px}
  .foot-links a{font-size:.875rem;color:rgba(247,245,240,.78);transition:color .2s var(--ease)}
  .foot-links a:hover{color:var(--glow)}
  .foot-cta p{margin-top:14px;font-size:.875rem;line-height:1.8;color:rgba(247,245,240,.7)}
  .foot-cta .btn-primary{background:var(--text-inv);color:var(--ink);margin-top:16px}
  .foot-cta .btn-primary:hover{background:var(--glow)}
  .foot-bottom{
    margin-top:48px;padding-top:20px;border-top:1px solid rgba(247,245,240,.14);
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:.75rem;color:rgba(247,245,240,.7);
  }
  .foot-bottom a{color:rgba(247,245,240,.7)}
  .foot-bottom a:hover{color:var(--glow)}

  /* ---------- 弹层 ---------- */
  .modal{
    position:fixed;inset:0;z-index:100;
    display:flex;align-items:center;justify-content:center;padding:24px;
    background:rgba(12,59,50,.45);
    backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
    opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s;
  }
  .modal.is-open{opacity:1;visibility:visible}
  .modal-panel{
    width:100%;max-width:520px;background:var(--surface);
    border-radius:20px;padding:30px 32px 28px;
    box-shadow:var(--shadow-2);
    transform:translateY(12px);opacity:0;
    transition:transform .3s var(--ease),opacity .3s var(--ease);
    max-height:calc(100vh - 48px);overflow-y:auto;
  }
  .modal.is-open .modal-panel{transform:translateY(0);opacity:1}
  .modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
  .modal-head h2{font-size:1.25rem;margin-top:0;letter-spacing:-.01em}
  .modal-sub{margin-top:8px;font-size:.875rem;color:var(--text-2);line-height:1.75}
  .modal-close{
    width:40px;height:40px;flex-shrink:0;border-radius:50%;
    display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);color:var(--ink);font-size:1.125rem;
    transition:background .2s var(--ease);
  }
  .modal-close:hover{background:rgba(12,59,50,.07)}
  .field{margin-top:18px}
  .field label{display:block;font-size:.8125rem;font-weight:700;color:var(--ink);margin-bottom:8px}
  .field input,.field textarea{
    width:100%;padding:12px 14px;border-radius:12px;
    border:1px solid var(--line);background:var(--paper);
    font-family:inherit;font-size:.9375rem;color:var(--text);
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  }
  .field textarea{resize:vertical;min-height:92px;line-height:1.7}
  .field input:focus,.field textarea:focus{
    outline:none;background:var(--surface);
    border-color:var(--ink);box-shadow:0 0 0 3px rgba(12,59,50,.12);
  }
  .field input:invalid:not(:placeholder-shown){border-color:var(--accent)}
  .consent{display:flex;gap:10px;align-items:flex-start;margin-top:18px;font-size:.8125rem;color:var(--text-2);line-height:1.7}
  .consent input{margin-top:.35em;width:16px;height:16px;accent-color:var(--ink);flex-shrink:0}
  .consent a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
  .modal-panel .btn{width:100%;margin-top:20px}
  .search-input{
    width:100%;padding:14px 16px;border-radius:12px;
    border:1px solid var(--line);background:var(--paper);
    font-family:inherit;font-size:1rem;color:var(--text);
  }
  .search-input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(12,59,50,.12);background:var(--surface)}
  .search-hint{margin-top:14px;font-size:.8125rem;color:var(--text-2);line-height:1.75}

  /* ---------- 响应式 ---------- */
  @media (min-width:768px){
    .wrap{padding:0 24px}
    :root{--sp-section:88px}
  }
  @media (min-width:1024px){
    .wrap{padding:0 40px}
    :root{--sp-section:104px}
  }
  @media (max-width:1023px){
    .guide-layout{grid-template-columns:1fr;gap:32px}
    .guide-index{position:static;top:auto}
    .index-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;scrollbar-width:none}
    .index-list::-webkit-scrollbar{display:none}
    .index-list a{
      flex:0 0 auto;border-left:0;border:1px solid var(--line);
      border-radius:var(--r-pill);padding:8px 16px;font-size:.875rem;
      background:rgba(255,255,255,.7);
    }
    .index-list a.is-current{background:var(--ink);color:var(--text-inv);border-color:var(--ink)}
    .check-grid{grid-template-columns:1fr}
    .faq-layout{grid-template-columns:1fr;gap:28px}
    .faq-aside{position:static}
    .cta-box{grid-template-columns:1fr;padding:36px 28px}
    .privacy-box{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
    .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  }
  @media (max-width:900px){
    .head-grid{grid-template-columns:1fr;gap:32px}
    .head-figure{order:2}
    .head-figure img{aspect-ratio:16/10}
    .float-card{bottom:14px;left:14px}
  }
  @media (max-width:860px){
    .dock-nav{display:none}
    .dock-actions .btn{display:none}
    .burger{display:inline-flex}
  }
  @media (max-width:767px){
    .page{padding-top:92px}
    .step{grid-template-columns:1fr;gap:12px}
    .step-num{font-size:2.25rem;min-width:0}
    .cta-side{width:100%}
    .foot-bottom{flex-direction:column;gap:8px}
  }
  @media (max-width:639px){
    .privacy-box{grid-template-columns:1fr}
    .foot-grid{grid-template-columns:1fr}
    .modal-panel{padding:24px 20px}
    .notice{padding:18px 18px}
    .card{padding:22px 20px}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{
      animation-duration:.001ms !important;
      animation-iteration-count:1 !important;
      transition-duration:.001ms !important;
      scroll-behavior:auto !important;
    }
  }

/* roulang page: article */
:root{
  --ink:#0C3B32;
  --ink-2:#14584A;
  --paper:#F5F2EC;
  --surface:#FFFFFF;
  --line:rgba(12,59,50,.12);
  --line-strong:rgba(12,59,50,.22);
  --text:#1B1B18;
  --text-2:#5C5A52;
  --text-inv:#F7F5F0;
  --accent:#C25B36;
  --glow:#D9F26B;
  --shadow-1:0 1px 2px rgba(12,59,50,.06), 0 10px 28px -18px rgba(12,59,50,.28);
  --shadow-2:0 2px 6px rgba(12,59,50,.08), 0 20px 44px -22px rgba(12,59,50,.34);
  --r-pill:999px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --t1:200ms;
  --t2:320ms;
  --ease:cubic-bezier(.2,.7,.2,1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,"Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:104px;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font);
  font-size:1.0625rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
[id]{scroll-margin-top:96px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 24px}}
@media(min-width:1024px){.wrap{padding:0 40px}}

/* ============ Dock 导航 ============ */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1080px;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 10px 0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  z-index:100;
  transition:background var(--t2) var(--ease),box-shadow var(--t2) var(--ease),border-color var(--t2) var(--ease);
}
.dock.scrolled{background:rgba(255,255,255,.92);box-shadow:var(--shadow-1);border-color:var(--line-strong)}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.0625rem;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.brand-mark{width:10px;height:10px;background:var(--ink);border-radius:2px;transform:rotate(45deg);flex:none}
.dock-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:.95rem;color:var(--text-2);
  transition:color var(--t1) var(--ease),background var(--t1) var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(12,59,50,.06)}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--glow);flex:none}
.dock-actions{display:flex;align-items:center;gap:8px}
.hamburger{
  display:none;width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--line);align-items:center;justify-content:center;
  flex-direction:column;gap:5px;background:rgba(255,255,255,.6);
  transition:background var(--t1) var(--ease),border-color var(--t1) var(--ease);
}
.hamburger:hover{background:rgba(12,59,50,.06);border-color:var(--line-strong)}
.hamburger span{display:block;width:16px;height:1.5px;background:var(--ink);border-radius:2px}
@media(max-width:899px){
  .dock-nav{display:none}
  .dock-actions .btn{display:none}
  .hamburger{display:flex}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:var(--r-pill);
  font-size:.95rem;font-weight:700;border:1px solid transparent;
  transition:background var(--t1) var(--ease),color var(--t1) var(--ease),
             box-shadow var(--t1) var(--ease),transform var(--t1) var(--ease),
             border-color var(--t1) var(--ease);
}
.btn-primary{background:var(--ink);color:var(--text-inv)}
.btn-primary:hover{background:var(--ink-2);box-shadow:var(--shadow-2);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(12,59,50,.08);border-color:var(--ink)}
.btn-light{background:var(--glow);color:var(--ink)}
.btn-light:hover{background:#e6ff85;box-shadow:0 12px 26px -16px rgba(0,0,0,.4);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:var(--text-inv);border-color:rgba(247,245,240,.4)}
.btn-outline-light:hover{background:rgba(247,245,240,.12);border-color:rgba(247,245,240,.7)}
.btn-sm{min-height:36px;padding:8px 16px;font-size:.85rem}
.btn-block{width:100%}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.9rem;font-weight:700;color:var(--ink);
  padding-bottom:2px;border-bottom:2px solid transparent;
  transition:border-color var(--t1) var(--ease);
}
.text-link:hover{border-bottom-color:var(--accent)}
.text-link span{transition:transform var(--t1) var(--ease)}
.text-link:hover span{transform:translateX(4px)}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:200;background:var(--paper);
  display:flex;flex-direction:column;padding:22px 20px 28px;
  opacity:0;pointer-events:none;transform:translateY(-12px);
  transition:opacity var(--t2) var(--ease),transform var(--t2) var(--ease);
}
.drawer.open{opacity:1;pointer-events:auto;transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);
  font-size:1.5rem;line-height:1;display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:rgba(12,59,50,.06)}
.drawer-nav{display:flex;flex-direction:column;padding:20px 0;flex:1}
.drawer-nav a{
  font-size:1.5rem;font-weight:700;padding:15px 0;border-bottom:1px solid var(--line);
  color:var(--ink);opacity:0;transform:translateY(10px);
  transition:opacity var(--t2) var(--ease),transform var(--t2) var(--ease),color var(--t1) var(--ease);
}
.drawer.open .drawer-nav a{opacity:1;transform:none}
.drawer.open .drawer-nav a:nth-child(1){transition-delay:30ms}
.drawer.open .drawer-nav a:nth-child(2){transition-delay:60ms}
.drawer.open .drawer-nav a:nth-child(3){transition-delay:90ms}
.drawer.open .drawer-nav a:nth-child(4){transition-delay:120ms}
.drawer-foot{display:flex;flex-direction:column;gap:12px;padding-top:8px}
.drawer-foot p{font-size:.8125rem;line-height:1.7;color:var(--text-2)}
@media(min-width:900px){.drawer{display:none}}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;align-items:center;gap:8px;padding:10px 0 0;
  font-size:.8125rem;color:var(--text-2);
  overflow-x:auto;white-space:nowrap;scrollbar-width:none;
}
.crumbs::-webkit-scrollbar{display:none}
.crumbs a{transition:color var(--t1) var(--ease)}
.crumbs a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.crumbs .sep{color:rgba(12,59,50,.28)}
.crumbs .cur{color:var(--text-2);max-width:44ch;overflow:hidden;text-overflow:ellipsis}

/* ============ 文章头 ============ */
.article-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;
  padding:26px 0 34px;border-bottom:1px solid var(--line);
}
.article-head .hd-left{max-width:760px;min-width:0}
.meta-line{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:.8125rem;color:var(--text-2);font-variant-numeric:tabular-nums;
}
.meta-line .sep{color:rgba(12,59,50,.28)}
.badge{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--accent);
  font-size:12px;letter-spacing:.04em;line-height:1.6;white-space:nowrap;
}
.article-title{
  margin:16px 0 0;font-size:clamp(1.9rem,4.2vw,3.2rem);
  line-height:1.16;letter-spacing:-.02em;font-weight:800;color:var(--ink);
  overflow-wrap:break-word;
}
.lede{margin-top:16px;font-size:.95rem;line-height:1.8;color:var(--text-2);max-width:64ch}
.hd-actions{display:flex;flex-wrap:wrap;gap:10px}

/* ============ 文章布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:36px;padding:36px 0 0}
@media(min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px}
}
.article-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 20px;box-shadow:var(--shadow-1);min-width:0;
}
@media(min-width:768px){.article-main{padding:40px 44px}}

/* 移动端目录折叠 */
.toc-mobile{border:1px solid var(--line);border-radius:var(--r-md);background:rgba(12,59,50,.03);margin-bottom:26px;overflow:hidden}
.toc-mobile-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:14px 18px;font-size:.9rem;font-weight:700;color:var(--ink);min-height:48px;
}
.toc-mobile-btn .plus{font-size:1.15rem;line-height:1;color:var(--accent);transition:transform var(--t1) var(--ease)}
.toc-mobile-btn[aria-expanded="true"] .plus{transform:rotate(45deg)}
.toc-mobile-panel{max-height:0;overflow:hidden;transition:max-height var(--t2) var(--ease)}
.toc-mobile-panel.open{max-height:520px}
.toc-mobile-panel .toc-list{padding:0 10px 14px}
@media(min-width:1024px){.toc-mobile{display:none}}

/* 目录 */
.toc-side{display:none}
@media(min-width:1024px){.toc-side{display:block}}
.toc-box{
  position:sticky;top:96px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 18px;box-shadow:var(--shadow-1);
}
.toc-title{
  display:flex;align-items:center;gap:8px;
  font-size:.8125rem;letter-spacing:.08em;color:var(--text-2);margin-bottom:12px;
}
.toc-title::before{content:"";width:8px;height:8px;background:var(--glow);border-radius:1px;flex:none}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;padding:8px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
  font-size:.9rem;line-height:1.55;color:var(--text-2);
  transition:color var(--t1) var(--ease),background var(--t1) var(--ease),border-color var(--t1) var(--ease);
}
.toc-list a:hover{color:var(--ink);background:rgba(12,59,50,.05)}
.toc-list a.current{color:var(--ink);font-weight:700;border-left-color:var(--glow)}
.toc-hint{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:.8125rem;line-height:1.7;color:var(--text-2)}

/* ============ 正文排版 ============ */
.article-body{max-width:720px;font-size:1.0625rem;line-height:1.85;color:var(--text);overflow-wrap:break-word}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;margin:48px 0 16px;padding-left:14px;
  font-size:clamp(1.35rem,2vw,1.6rem);line-height:1.35;font-weight:800;letter-spacing:-.01em;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:3px;
  background:var(--accent);border-radius:2px;
}
.article-body h3{margin:32px 0 12px;font-size:1.25rem;line-height:1.45;font-weight:700;color:var(--ink)}
.article-body h4{margin:24px 0 10px;font-size:1.0625rem;font-weight:700;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin:.45em 0}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.78em;width:6px;height:6px;
  background:var(--accent);border-radius:1px;
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:28px;margin:.45em 0;counter-increment:li}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:.15em;
  font-family:var(--mono);font-size:.8rem;font-weight:700;color:var(--accent);
}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:rgba(12,59,50,.06);
  border-left:3px solid var(--ink);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-sm);margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:.8125rem;line-height:1.7;color:var(--text-2)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:.95rem}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
.article-body th{background:rgba(12,59,50,.05);font-weight:700}
.article-body a{
  color:var(--ink);text-decoration:underline;text-underline-offset:3px;
  text-decoration-color:rgba(194,91,54,.55);transition:text-decoration-color var(--t1) var(--ease);
}
.article-body a:hover{text-decoration-color:var(--accent)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body strong{font-weight:700}

/* 空态 */
.article-empty{
  display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:14px;
  min-height:260px;padding:32px 24px;border:1px dashed var(--line-strong);
  border-radius:var(--r-md);background:rgba(12,59,50,.02);
}
.empty-title{font-size:1.25rem;font-weight:800;color:var(--ink)}
.empty-desc{font-size:.95rem;line-height:1.8;color:var(--text-2);max-width:52ch}

/* ============ 上下篇 ============ */
.post-nav{display:grid;grid-template-columns:1fr;gap:14px;margin-top:48px}
@media(min-width:640px){.post-nav{grid-template-columns:1fr 1fr;gap:18px}}
.post-nav-card{
  display:flex;flex-direction:column;gap:6px;position:relative;
  padding:20px 22px;border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--surface);box-shadow:var(--shadow-1);
  transition:transform var(--t1) var(--ease),box-shadow var(--t1) var(--ease),border-color var(--t1) var(--ease);
}
.post-nav-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(12,59,50,.3)}
.pn-label{font-size:.75rem;letter-spacing:.08em;color:var(--text-2)}
.pn-title{font-size:1.0625rem;font-weight:700;line-height:1.5;color:var(--ink);padding-right:28px}
.pn-arrow{
  position:absolute;right:20px;bottom:20px;font-size:1rem;color:var(--accent);
  transition:transform var(--t1) var(--ease);
}
.post-nav-card:hover .pn-arrow{transform:translateX(4px)}
.post-nav-card.right{text-align:left}

/* ============ 相关阅读 ============ */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:24px;
}
.section-head h2{font-size:clamp(1.3rem,2.2vw,1.7rem);line-height:1.3;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.rel-section{margin-top:64px}
.rel-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.rel-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.rel-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  transition:transform var(--t2) var(--ease),box-shadow var(--t2) var(--ease),border-color var(--t2) var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(12,59,50,.3)}
.card-media{padding:10px 10px 0}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-sm)}
.card-body{padding:16px 20px 22px;display:flex;flex-direction:column;gap:10px}
.card-body h3{font-size:1.05rem;font-weight:700;line-height:1.5;color:var(--ink)}
.card-body p{font-size:.9rem;line-height:1.75;color:var(--text-2)}
.card-foot{
  display:inline-flex;align-items:center;gap:6px;margin-top:2px;
  font-size:.85rem;font-weight:700;color:var(--ink);
}
.card:hover .card-foot span{transform:translateX(4px)}
.card-foot span{transition:transform var(--t1) var(--ease)}

/* ============ CTA 条 ============ */
.cta-band{
  margin-top:64px;padding:34px 26px;border-radius:var(--r-lg);
  background:var(--ink);color:var(--text-inv);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
@media(min-width:768px){.cta-band{padding:44px 44px}}
.cta-band h2{font-size:clamp(1.3rem,2.4vw,1.9rem);line-height:1.3;font-weight:800;letter-spacing:-.01em}
.cta-band p{margin-top:10px;font-size:.9rem;line-height:1.8;color:rgba(247,245,240,.72);max-width:46ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 返回按钮组 */
.back-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ============ 隐私说明 ============ */
.privacy-note{margin-top:64px;padding-top:34px;border-top:1px solid var(--line)}
.privacy-title{
  font-size:.8125rem;letter-spacing:.08em;color:var(--text-2);
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.privacy-title::before{content:"";width:8px;height:8px;background:var(--glow);border-radius:1px;flex:none}
.privacy-list{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:768px){.privacy-list{grid-template-columns:1fr 1fr;gap:14px 40px}}
.privacy-list li{position:relative;padding-left:16px;font-size:.8125rem;line-height:1.75;color:var(--text-2)}
.privacy-list li::before{
  content:"";position:absolute;left:0;top:.7em;width:5px;height:5px;
  background:var(--accent);border-radius:1px;
}
.privacy-list strong{color:var(--text);font-weight:700}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--text-inv);margin-top:72px;padding:60px 0 26px}
.foot-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:640px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.foot-grid{grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:1.0625rem;font-weight:800;letter-spacing:-.01em}
.site-footer .brand-mark{background:var(--glow)}
.foot-desc{margin-top:14px;font-size:.875rem;line-height:1.8;color:rgba(247,245,240,.72);max-width:34ch}
.foot-contact{margin-top:14px;font-size:.8125rem;line-height:1.9;color:rgba(247,245,240,.58)}
.foot-col-title{
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:.8125rem;letter-spacing:.08em;color:rgba(247,245,240,.55);
}
.foot-col-title::before{content:"";width:6px;height:6px;background:var(--glow);border-radius:1px;flex:none}
.foot-links{display:flex;flex-direction:column;gap:10px;font-size:.9rem}
.foot-links a{color:rgba(247,245,240,.82);transition:color var(--t1) var(--ease)}
.foot-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.foot-cta p{font-size:.85rem;line-height:1.8;color:rgba(247,245,240,.7);margin-bottom:14px;max-width:28ch}
.site-footer .btn-primary{background:var(--glow);color:var(--ink)}
.site-footer .btn-primary:hover{background:#e6ff85;box-shadow:0 12px 26px -16px rgba(0,0,0,.45)}
.foot-bottom{
  margin-top:40px;padding-top:18px;border-top:1px solid rgba(247,245,240,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;line-height:1.8;color:rgba(247,245,240,.7);
}
.foot-bottom a{color:rgba(247,245,240,.7);transition:color var(--t1) var(--ease)}
.foot-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}

/* ============ 表单弹层 ============ */
.modal{position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;pointer-events:none;transition:opacity var(--t2) var(--ease)}
.modal.open{opacity:1;pointer-events:auto}
.modal-mask{position:absolute;inset:0;background:rgba(12,59,50,.45);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.modal-panel{
  position:relative;width:100%;max-width:520px;background:var(--surface);
  border-radius:var(--r-lg);padding:28px 24px;box-shadow:var(--shadow-2);
  transform:translateY(12px) scale(.99);
  transition:transform var(--t2) var(--ease);
  max-height:calc(100vh - 40px);overflow-y:auto;
}
@media(min-width:640px){.modal-panel{padding:32px}}
.modal.open .modal-panel{transform:none}
.modal-close{
  position:absolute;top:14px;right:14px;width:40px;height:40px;border-radius:var(--r-pill);
  display:flex;align-items:center;justify-content:center;font-size:1.4rem;line-height:1;
  color:var(--text-2);transition:background var(--t1) var(--ease),color var(--t1) var(--ease);
}
.modal-close:hover{background:rgba(12,59,50,.08);color:var(--ink)}
.modal-panel h2{font-size:1.35rem;line-height:1.35;font-weight:800;color:var(--ink);padding-right:40px}
.modal-sub{margin-top:8px;font-size:.875rem;line-height:1.75;color:var(--text-2)}
.modal-form{display:flex;flex-direction:column;gap:8px;margin-top:20px}
.modal-form label{font-size:.8125rem;font-weight:700;color:var(--text);margin-top:6px}
.modal-form input[type="text"],
.modal-form textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);
  border:1px solid var(--line-strong);background:#fff;font-size:.95rem;
  min-height:46px;transition:border-color var(--t1) var(--ease),box-shadow var(--t1) var(--ease);
}
.modal-form textarea{min-height:88px;resize:vertical;line-height:1.7}
.modal-form input[type="text"]:focus,
.modal-form textarea:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(12,59,50,.12);
}
.modal-form .btn{margin-top:14px}
.check-line{
  display:flex;align-items:flex-start;gap:8px;margin-top:12px;
  font-size:.8125rem;line-height:1.7;color:var(--text-2);font-weight:400;
}
.check-line input{margin-top:4px;accent-color:var(--ink);width:16px;height:16px;flex:none}
.check-line a{color:var(--ink);text-decoration:underline;text-underline-offset:3px}

/* ============ 动效与可访问性 ============ */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}

/* roulang page: category2 */
:root{
  --ink:#0C3B32;
  --ink-2:#14584A;
  --paper:#F5F2EC;
  --surface:#FFFFFF;
  --line:rgba(12,59,50,.12);
  --text:#1B1B18;
  --text-2:#5C5A52;
  --text-inv:#F7F5F0;
  --accent:#C25B36;
  --glow:#D9F26B;
  --shadow-1:0 1px 2px rgba(12,59,50,.06),0 10px 28px -18px rgba(12,59,50,.28);
  --shadow-2:0 2px 6px rgba(12,59,50,.08),0 22px 44px -24px rgba(12,59,50,.34);
  --r-card:18px;
  --r-img:12px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --t1:200ms;
  --t2:320ms;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;padding-top:92px;background:var(--paper);color:var(--text);
  font-family:var(--font-cn);font-size:1.0625rem;line-height:1.85;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--glow);color:var(--ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.wrap{padding:0 24px}}
@media (min-width:1200px){.wrap{padding:0 40px}}

/* ---------- Header / Dock ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:70;padding:14px 16px;pointer-events:none}
.dock{
  pointer-events:auto;max-width:1080px;margin:0 auto;min-height:64px;
  display:flex;align-items:center;gap:10px;padding:8px 10px 8px 16px;
  border-radius:var(--r-pill);border:1px solid var(--line);
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  transition:background var(--t1) var(--ease),box-shadow var(--t1) var(--ease),border-color var(--t1) var(--ease);
}
.site-header.is-stuck .dock{background:rgba(255,255,255,.88);box-shadow:var(--shadow-1);border-color:rgba(12,59,50,.2)}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:1.0625rem;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-mark{width:10px;height:10px;border-radius:3px;background:var(--accent);box-shadow:0 0 0 3px rgba(194,91,54,.12);flex:none}
.dock-nav{display:none;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 14px;
  border-radius:var(--r-pill);font-size:.9375rem;color:var(--text-2);
  transition:color var(--t1) var(--ease),background var(--t1) var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(12,59,50,.06)}
.nav-link.active{color:var(--ink);font-weight:700;background:rgba(12,59,50,.07)}
.nav-link.active::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--glow);margin-right:7px;box-shadow:0 0 0 2px rgba(217,242,107,.35);flex:none}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0 11px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface)}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink)}
@media (min-width:920px){
  .dock{gap:12px;padding:8px 10px 8px 20px}
  .dock-nav{display:flex}
  .dock-actions{margin-left:0}
  .nav-toggle{display:none}
}

/* ---------- Mobile drawer ---------- */
.mobile-menu{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  display:none;flex-direction:column;padding:18px 20px 24px;
}
.mobile-menu.is-open{display:flex}
.mm-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.mm-close{width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);font-size:1.25rem;line-height:1;display:inline-flex;align-items:center;justify-content:center}
.mm-links{display:flex;flex-direction:column;padding:18px 0;gap:2px}
.mm-links a{padding:14px 4px;font-size:1.5rem;font-weight:700;letter-spacing:-.01em;border-bottom:1px solid var(--line);color:var(--text)}
.mm-links a.active{color:var(--ink)}
.mm-links a.active::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--glow);margin-right:10px;vertical-align:middle}
.mm-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}
.mm-foot .btn{width:100%}
.mm-note{margin-top:10px;font-size:.8125rem;color:var(--text-2);line-height:1.7}
body.is-locked{overflow:hidden}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;
  border:1px solid transparent;border-radius:var(--r-pill);font-weight:700;font-size:.9375rem;letter-spacing:.01em;
  transition:background var(--t1) var(--ease),color var(--t1) var(--ease),border-color var(--t1) var(--ease),transform var(--t1) var(--ease),box-shadow var(--t1) var(--ease);
}
.btn-primary{background:var(--ink);color:var(--text-inv);box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--ink-2);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:rgba(12,59,50,.35);color:var(--ink)}
.btn-ghost:hover{background:rgba(12,59,50,.08)}
.btn-sm{min-height:40px;padding:0 18px;font-size:.875rem}
.btn-block{width:100%}
.link-arrow{
  position:relative;display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.9375rem;color:var(--ink);
}
.link-arrow .arr{transition:transform var(--t1) var(--ease)}
.link-arrow::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--accent);transition:width var(--t2) var(--ease)}
.link-arrow:hover .arr{transform:translateX(4px)}
.link-arrow:hover::after{width:100%}

/* ---------- Shared bits ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:.8125rem;font-weight:700;letter-spacing:.08em;color:var(--text-2)}
.eyebrow i{width:8px;height:8px;border-radius:2px;background:var(--glow);flex:none}
.crumb{display:flex;align-items:center;gap:8px;font-size:.8125rem;color:var(--text-2);overflow-x:auto;white-space:nowrap;padding:6px 0}
.crumb a{color:var(--text-2);transition:color var(--t1)}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:rgba(12,59,50,.3)}
.crumb .cur{color:var(--text-2)}
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:32px}
h2.sec-title{font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.2;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.lead{font-size:.95rem;line-height:1.75;color:var(--text-2);max-width:62ch}

/* ---------- Page hero ---------- */
.page-hero{padding:26px 0 6px}
.hero-split{display:grid;gap:26px;align-items:end;padding-top:22px}
h1.hero-title{
  font-size:clamp(1.9rem,4.2vw,3.2rem);line-height:1.14;font-weight:800;letter-spacing:-.02em;color:var(--ink);
  margin-top:14px;max-width:20ch;
}
.hero-side p{font-size:.95rem;line-height:1.8;color:var(--text-2);max-width:44ch}
.hero-side .link-arrow{margin-top:16px}
@media (min-width:1024px){
  .hero-split{grid-template-columns:7fr 5fr;gap:48px}
  .hero-side{padding-bottom:8px}
}

/* ---------- First check ---------- */
.first-check{display:grid;gap:28px;align-items:center}
.fc-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);background:var(--surface)}
.fc-media img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-card)}
.step-list{margin-top:24px;display:flex;flex-direction:column}
.step-list li{display:flex;gap:16px;padding:20px 0;border-top:1px solid var(--line);transition:background var(--t1) var(--ease),padding-left var(--t1) var(--ease)}
.step-list li:last-child{border-bottom:1px solid var(--line)}
.step-list li:hover{background:rgba(12,59,50,.04);padding-left:6px}
.step-no{font-family:var(--font-mono);font-size:1.25rem;font-weight:700;color:var(--accent);line-height:1.4;min-width:34px}
.step-list h3{font-size:1.0625rem;font-weight:700;color:var(--ink);margin-bottom:4px}
.step-list p{font-size:.9375rem;line-height:1.75;color:var(--text-2)}
@media (min-width:1024px){.first-check{grid-template-columns:5fr 7fr;gap:56px}}

/* ---------- Filter bar ---------- */
.filter-bar{display:flex;gap:10px;overflow-x:auto;padding:4px 0 18px;scrollbar-width:thin}
.chip{
  flex:none;min-height:44px;display:inline-flex;align-items:center;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);color:var(--text-2);font-size:.875rem;font-weight:600;
  transition:background var(--t1) var(--ease),color var(--t1) var(--ease),border-color var(--t1) var(--ease),transform var(--t1) var(--ease);
}
.chip:hover{border-color:rgba(12,59,50,.35);color:var(--ink);transform:translateY(-1px)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:var(--text-inv)}

/* ---------- Q&A grid ---------- */
.qa-grid{display:grid;gap:20px;align-items:start}
.qa-col{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){.qa-grid{grid-template-columns:1fr 1fr;gap:24px}}
.qa-card{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--t1) var(--ease),box-shadow var(--t1) var(--ease),border-color var(--t1) var(--ease);
}
.qa-card:hover{transform:translateY(-4px);border-color:rgba(12,59,50,.3);box-shadow:var(--shadow-2)}
.qa-head{display:flex;gap:12px;align-items:flex-start}
.qa-tag{
  flex:none;font-family:var(--font-mono);font-size:.75rem;font-weight:700;letter-spacing:.04em;
  color:var(--accent);border:1px solid rgba(194,91,54,.4);border-radius:var(--r-pill);
  padding:2px 9px;line-height:1.6;margin-top:4px;
}
.qa-title{font-size:1.125rem;font-weight:700;line-height:1.6;color:var(--ink);letter-spacing:-.01em}
.qa-a{margin-top:12px;font-size:.9375rem;line-height:1.85;color:var(--text-2)}
.qa-more{display:none;padding-top:10px}
.qa-card.is-open .qa-more{display:block}
.qa-more p{font-size:.9375rem;line-height:1.85;color:var(--text-2);padding-left:12px;border-left:3px solid rgba(194,91,54,.5)}
.qa-toggle{
  margin-top:14px;display:inline-flex;align-items:center;gap:8px;font-size:.875rem;font-weight:700;color:var(--ink);
  min-height:44px;padding-right:6px;
}
.qa-toggle .arr{transition:transform var(--t1) var(--ease)}
.qa-toggle:hover .arr{transform:translateX(4px)}
.qa-toggle::after{content:"";position:absolute}

/* ---------- Tip strip ---------- */
.tip-strip{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;justify-content:space-between;
  background:rgba(12,59,50,.05);border-left:3px solid var(--ink-2);border-radius:0 14px 14px 0;
  padding:22px 24px;
}
.tip-strip p{font-size:.9375rem;line-height:1.8;color:var(--text-2);max-width:66ch}
.tip-strip strong{color:var(--ink)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:var(--text-inv);border-radius:var(--r-card);padding:32px 24px;box-shadow:var(--shadow-1)}
.cta-band .cta-inner{display:flex;flex-wrap:wrap;align-items:center;gap:24px;justify-content:space-between}
.cta-band h2{font-size:clamp(1.4rem,2.4vw,2rem);line-height:1.25;font-weight:800;letter-spacing:-.02em;color:var(--text-inv)}
.cta-band p{margin-top:10px;font-size:.9375rem;line-height:1.8;color:rgba(247,245,240,.78);max-width:56ch}
.cta-band .btn-primary{background:var(--glow);color:var(--ink);box-shadow:none}
.cta-band .btn-primary:hover{background:#e6f78f;box-shadow:none}
.cta-note{font-size:.8125rem;line-height:1.7;color:rgba(247,245,240,.66);margin-top:12px}
.cta-note a{color:rgba(247,245,240,.9);text-decoration:underline;text-underline-offset:3px}
@media (min-width:1024px){.cta-band{padding:44px 48px}}

/* ---------- Privacy ---------- */
.privacy-block{padding:48px 0 56px;border-top:1px solid var(--line)}
.privacy-block h2{font-size:1.125rem;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.privacy-list{display:grid;gap:14px;margin-top:16px}
.privacy-list li{display:flex;gap:10px;font-size:.8125rem;line-height:1.75;color:var(--text-2)}
.privacy-list li::before{content:"";flex:none;width:6px;height:6px;margin-top:10px;border-radius:1px;background:rgba(12,59,50,.25)}
.privacy-list b{color:var(--text);font-weight:700}
@media (min-width:1024px){.privacy-list{grid-template-columns:1fr 1fr;gap:14px 40px}}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--text-inv);padding:56px 0 24px}
.foot-grid{display:grid;gap:32px}
@media (min-width:768px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.5fr .8fr .8fr 1fr;gap:40px}}
.foot-brand{display:inline-flex;align-items:center;gap:9px;font-size:1.0625rem;font-weight:800;letter-spacing:-.01em}
.foot-brand .brand-mark{background:var(--glow);box-shadow:0 0 0 3px rgba(217,242,107,.16)}
.foot-desc{margin-top:14px;font-size:.875rem;line-height:1.8;color:rgba(247,245,240,.74);max-width:42ch}
.foot-contact{margin-top:14px;font-size:.8125rem;line-height:1.8;color:rgba(247,245,240,.6)}
.foot-col-title{font-size:.75rem;font-weight:700;letter-spacing:.1em;color:rgba(247,245,240,.55);margin-bottom:14px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:.875rem;color:rgba(247,245,240,.82);transition:color var(--t1) var(--ease),transform var(--t1) var(--ease);width:fit-content}
.foot-links a:hover{color:var(--glow);transform:translateX(2px)}
.foot-cta p{font-size:.875rem;line-height:1.8;color:rgba(247,245,240,.74);margin-bottom:16px;max-width:32ch}
.foot-cta .btn-primary{background:var(--text-inv);color:var(--ink);box-shadow:none}
.foot-cta .btn-primary:hover{background:var(--glow);color:var(--ink)}
.foot-bottom{
  margin-top:40px;padding-top:18px;border-top:1px solid rgba(247,245,240,.16);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:.75rem;color:rgba(247,245,240,.7);line-height:1.7;
}
.foot-bottom a{color:rgba(247,245,240,.7);text-decoration:underline;text-underline-offset:3px}
.foot-bottom a:hover{color:var(--glow)}

/* ---------- Modal ---------- */
.overlay{
  position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:20px;
  background:rgba(12,59,50,.45);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
}
.overlay.is-open{display:flex}
.modal{
  position:relative;width:100%;max-width:520px;background:var(--surface);border-radius:20px;
  padding:30px 28px;box-shadow:var(--shadow-2);max-height:calc(100vh - 40px);overflow-y:auto;
}
.modal h2{font-size:1.375rem;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.modal-sub{margin-top:8px;font-size:.875rem;line-height:1.75;color:var(--text-2)}
.modal-close{
  position:absolute;top:14px;right:14px;width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);font-size:1.125rem;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;transition:background var(--t1),border-color var(--t1);
}
.modal-close:hover{background:rgba(12,59,50,.06);border-color:rgba(12,59,50,.3)}
.modal-form{display:flex;flex-direction:column;gap:8px;margin-top:20px}
.modal-form label{font-size:.8125rem;font-weight:700;color:var(--text);letter-spacing:.02em}
.modal-form input[type="text"],.modal-form textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;background:var(--paper);
  padding:12px 14px;font-family:inherit;font-size:.9375rem;color:var(--text);line-height:1.7;
  transition:border-color var(--t1) var(--ease),background var(--t1) var(--ease);
}
.modal-form input[type="text"]{min-height:48px}
.modal-form textarea{resize:vertical;min-height:96px}
.modal-form input[type="text"]:focus,.modal-form textarea:focus{outline:none;border-color:var(--ink-2);background:#fff}
.checkline{display:flex;align-items:flex-start;gap:10px;font-size:.8125rem;line-height:1.7;color:var(--text-2);font-weight:400;margin-top:6px}
.checkline input{width:18px;height:18px;margin-top:2px;accent-color:var(--ink);flex:none}
.checkline a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.modal-form .btn{margin-top:10px}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --ink:#0C3B32;
  --ink-2:#14584A;
  --paper:#F5F2EC;
  --surface:#FFFFFF;
  --line:rgba(12,59,50,.12);
  --text:#1B1B18;
  --text-2:#5C5A52;
  --text-inv:#F7F5F0;
  --accent:#C25B36;
  --glow:#D9F26B;
  --shadow-1:0 1px 2px rgba(12,59,50,.06),0 10px 28px -18px rgba(12,59,50,.28);
  --shadow-2:0 2px 6px rgba(12,59,50,.08),0 22px 46px -24px rgba(12,59,50,.34);
  --r-pill:999px;
  --r-card:18px;
  --r-img:12px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --d-fast:200ms;
  --d-mid:320ms;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,"Segoe UI",sans-serif;
  --font-num:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:1.0625rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  padding-top:96px;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.wrap{padding:0 24px;}}
@media(min-width:1200px){.wrap{padding:0 40px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:80;
  display:flex;flex-direction:column;align-items:center;
  padding:0 16px;pointer-events:none;
}
.dock{
  pointer-events:auto;
  display:flex;align-items:center;gap:16px;
  width:100%;max-width:1080px;min-height:64px;
  padding:8px 10px 8px 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(12,59,50,.08);
  transition:background var(--d-fast) var(--ease),box-shadow var(--d-fast) var(--ease),border-color var(--d-fast) var(--ease);
}
.site-header.is-scrolled .dock{
  background:rgba(255,255,255,.88);
  border-color:var(--line);
  box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.brand-mark{
  width:8px;height:8px;border-radius:2px;background:var(--accent);display:inline-block;flex-shrink:0;
}
.brand-text{
  font-weight:800;font-size:1rem;letter-spacing:-0.01em;color:var(--ink);white-space:nowrap;
}
.dock-nav{display:none;align-items:center;gap:4px;margin-left:8px;}
@media(min-width:960px){.dock-nav{display:flex;}}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:500;color:var(--text-2);
  transition:color var(--d-fast) var(--ease),background var(--d-fast) var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--ink);background:rgba(12,59,50,.06);}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-link.active::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--glow);
  box-shadow:0 0 0 1px rgba(12,59,50,.16);
}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:8px;}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink);border:1px solid transparent;
  transition:background var(--d-fast) var(--ease),border-color var(--d-fast) var(--ease);
}
.icon-btn:hover{background:rgba(12,59,50,.07);border-color:var(--line);}
.icon-btn svg{width:19px;height:19px;}
.menu-btn{display:inline-flex;}
@media(min-width:960px){.menu-btn{display:none;}}

/* 搜索面板 */
.search-panel{
  pointer-events:auto;
  width:100%;max-width:1080px;margin-top:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-2);padding:20px;
}
.search-panel[hidden]{display:none;}
.search-panel p{font-size:.8125rem;color:var(--text-2);margin-top:10px;}
.search-field{display:flex;gap:10px;flex-wrap:wrap;}
.search-field input{
  flex:1 1 220px;min-height:44px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--paper);font-size:.9375rem;color:var(--text);
  font-family:inherit;
}
.search-field input::placeholder{color:#9A978E;}
.search-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.search-tags a{
  font-size:.8125rem;padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--ink);
  transition:background var(--d-fast) var(--ease),border-color var(--d-fast) var(--ease);
}
.search-tags a:hover{background:rgba(12,59,50,.06);border-color:rgba(12,59,50,.28);}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  display:flex;flex-direction:column;padding:24px 24px 32px;
  opacity:0;transform:translateY(-8px);
  transition:opacity var(--d-fast) var(--ease),transform var(--d-fast) var(--ease);
}
.drawer[hidden]{display:none;}
.drawer.open{opacity:1;transform:translateY(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;}
.drawer-links{display:flex;flex-direction:column;gap:4px;flex:1;}
.drawer-links a{
  font-size:1.5rem;font-weight:700;color:var(--ink);padding:14px 0;
  border-bottom:1px solid var(--line);
}
.drawer-links a.active{color:var(--accent);}
.drawer-foot{border-top:1px solid var(--line);padding-top:20px;display:flex;flex-direction:column;gap:12px;}
.drawer-foot p{font-size:.8125rem;color:var(--text-2);line-height:1.7;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:700;line-height:1;
  transition:background var(--d-fast) var(--ease),color var(--d-fast) var(--ease),
             border-color var(--d-fast) var(--ease),box-shadow var(--d-fast) var(--ease),
             transform var(--d-fast) var(--ease);
  white-space:nowrap;
}
.btn-sm{min-height:40px;padding:0 18px;font-size:.875rem;}
.btn-primary{background:var(--ink);color:var(--text-inv);}
.btn-primary:hover{background:var(--ink-2);box-shadow:var(--shadow-1);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid rgba(12,59,50,.35);}
.btn-ghost:hover{background:rgba(12,59,50,.08);border-color:var(--ink);}
.btn-light{background:var(--surface);color:var(--ink);border:1px solid var(--line);}
.btn-light:hover{background:#EFEBE2;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.9375rem;font-weight:700;color:var(--ink);
  position:relative;padding-bottom:2px;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);
  transition:width var(--d-mid) var(--ease);
}
.link-arrow:hover::after{width:100%;}
.link-arrow svg{width:14px;height:14px;transition:transform var(--d-fast) var(--ease);}
.link-arrow:hover svg{transform:translateX(4px);}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-tight{padding:40px 0;}
@media(min-width:1024px){.section-tight{padding:64px 0;}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.75rem;font-weight:700;letter-spacing:.08em;color:var(--ink-2);
}
.eyebrow::before{content:"";width:8px;height:8px;background:var(--glow);border-radius:1px;}
.sec-title{
  font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.2;font-weight:800;letter-spacing:-0.02em;
  color:var(--ink);margin-top:14px;
}
.sec-desc{font-size:.95rem;line-height:1.75;color:var(--text-2);margin-top:14px;max-width:60ch;}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow-x:auto;
  font-size:.8125rem;color:var(--text-2);padding:22px 0 0;
  white-space:nowrap;scrollbar-width:none;
}
.crumbs::-webkit-scrollbar{display:none;}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--ink);text-decoration:underline;}
.crumbs .sep{color:rgba(12,59,50,.3);}
.crumbs .cur{color:var(--text-2);opacity:.85;}

/* ---------- Hero ---------- */
.hero-banner{
  position:relative;margin-top:22px;
  border-radius:var(--r-card);overflow:hidden;
  aspect-ratio:21/9;min-height:260px;
  background:var(--ink);
  box-shadow:var(--shadow-1);
}
.hero-banner img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
}
.hero-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(12,59,50,.82) 0%,rgba(12,59,50,.62) 48%,rgba(12,59,50,.35) 100%);
}
.hero-inner{
  position:relative;z-index:2;height:100%;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:32px 24px;
}
@media(min-width:768px){.hero-inner{padding:48px 44px;}}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.4);color:var(--text-inv);
  font-size:.75rem;letter-spacing:.04em;letter-spacing:0.04em;
  margin-bottom:18px;
}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--glow);}
.hero-h1{
  color:var(--text-inv);
  font-size:clamp(1.55rem,3.4vw,2.9rem);
  line-height:1.16;letter-spacing:-0.02em;font-weight:800;
  max-width:22ch;
}
.hero-sub{
  margin-top:14px;color:rgba(247,245,240,.82);
  font-size:.95rem;line-height:1.75;max-width:48ch;
}

/* ---------- 服务长条卡 ---------- */
.svc-list{border-top:1px solid var(--line);margin-top:36px;}
.svc-row{
  display:flex;align-items:flex-start;gap:18px;
  padding:26px 12px;border-bottom:1px solid var(--line);
  transition:background var(--d-fast) var(--ease),transform var(--d-fast) var(--ease);
}
.svc-row:hover{background:rgba(12,59,50,.04);transform:translateX(4px);}
.svc-icon{
  flex:0 0 56px;width:56px;height:56px;border-radius:14px;
  background:rgba(12,59,50,.06);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);font-family:var(--font-num);font-size:1rem;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.svc-body{flex:1 1 auto;min-width:0;}
.svc-body h3{font-size:1.25rem;font-weight:700;color:var(--ink);line-height:1.4;}
.svc-body p{font-size:.95rem;line-height:1.75;color:var(--text-2);margin-top:8px;max-width:68ch;}
.svc-arrow{
  flex:0 0 auto;align-self:center;color:var(--ink);opacity:.55;
  transition:opacity var(--d-fast) var(--ease),transform var(--d-fast) var(--ease);
}
.svc-row:hover .svc-arrow{opacity:1;transform:translateX(4px);}
.svc-arrow svg{width:20px;height:20px;}
@media(max-width:600px){
  .svc-row{flex-wrap:wrap;gap:14px;padding:22px 6px;}
  .svc-icon{flex:0 0 44px;width:44px;height:44px;font-size:.875rem;border-radius:12px;}
  .svc-arrow{display:none;}
}

/* ---------- 流程 ---------- */
.flow{
  display:grid;grid-template-columns:1fr;gap:0;margin-top:40px;
  border-top:1px solid var(--line);
}
.flow-item{
  position:relative;padding:26px 0 26px 0;
  border-bottom:1px solid var(--line);
}
.flow-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:.8125rem;font-weight:700;color:var(--accent);letter-spacing:.06em;
}
.flow-item h3{font-size:1.0625rem;font-weight:700;color:var(--ink);margin-top:8px;}
.flow-item p{font-size:.875rem;line-height:1.7;color:var(--text-2);margin-top:6px;}
@media(min-width:900px){
  .flow{grid-template-columns:repeat(4,1fr);gap:0;}
  .flow-item{padding:32px 28px 32px 0;border-bottom:0;border-right:1px solid var(--line);}
  .flow-item:last-child{border-right:0;padding-right:0;}
  .flow-item::before{
    content:"";position:absolute;top:40px;left:34px;right:0;height:1px;
    background:repeating-linear-gradient(90deg,var(--line) 0 6px,transparent 6px 12px);
  }
  .flow-item:last-child::before{display:none;}
  .flow-item h3{margin-top:14px;}
}

/* ---------- 信息准备 ---------- */
.info-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
@media(min-width:900px){.info-grid{grid-template-columns:6fr 5fr;gap:56px;}}
.info-list{margin-top:26px;border-top:1px solid var(--line);}
.info-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);
  font-size:.95rem;line-height:1.75;color:var(--text);align-items:flex-start;
}
.info-list li::before{
  content:"";flex:0 0 6px;width:6px;height:6px;border-radius:1px;background:var(--accent);
  margin-top:11px;
}
.info-figure{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-1);background:var(--surface);
}
.info-figure img{width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);}
.info-figure figcaption{font-size:.8125rem;color:var(--text-2);padding:12px 16px;line-height:1.7;}

/* ---------- FAQ ---------- */
.faq{margin-top:32px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:68px;padding:18px 4px;text-align:left;
  font-size:1.0625rem;font-weight:700;color:var(--ink);line-height:1.5;
  transition:color var(--d-fast) var(--ease),background var(--d-fast) var(--ease);
}
.faq-q:hover{background:rgba(12,59,50,.03);color:var(--ink-2);}
.faq-sign{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  border:1px solid rgba(12,59,50,.28);display:flex;align-items:center;justify-content:center;
  color:var(--ink);font-weight:400;font-size:1.0625rem;line-height:1;
  transition:transform var(--d-mid) var(--ease),background var(--d-fast) var(--ease),color var(--d-fast) var(--ease);
}
.faq-q[aria-expanded="true"] .faq-sign{transform:rotate(45deg);background:var(--ink);color:var(--text-inv);border-color:var(--ink);}
.faq-a{overflow:hidden;}
.faq-a[hidden]{display:none;}
.faq-a p{
  font-size:.95rem;line-height:1.8;color:var(--text-2);
  max-width:68ch;padding:0 4px 24px;
}

/* ---------- 联系卡 ---------- */
.contact-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:28px 24px;
  display:grid;grid-template-columns:1fr;gap:26px;
}
@media(min-width:900px){
  .contact-card{grid-template-columns:7fr 5fr;gap:48px;padding:40px 40px;}
}
.contact-info dl{display:grid;gap:16px;margin-top:22px;}
.contact-info dl div{display:flex;gap:16px;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:14px;}
.contact-info dt{
  flex:0 0 84px;font-size:.8125rem;font-weight:700;color:var(--ink-2);letter-spacing:.04em;
}
.contact-info dd{margin:0;font-size:.9375rem;line-height:1.75;color:var(--text);}
.contact-act{
  background:rgba(12,59,50,.04);border:1px solid var(--line);border-radius:14px;
  padding:24px;display:flex;flex-direction:column;gap:14px;justify-content:center;
}
.contact-act h3{font-size:1.0625rem;font-weight:700;color:var(--ink);}
.contact-act p{font-size:.875rem;line-height:1.75;color:var(--text-2);}
.contact-act .btn{width:100%;}
.note{font-size:.8125rem;line-height:1.7;color:var(--text-2);}
.note a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;}

/* ---------- 隐私说明 ---------- */
.privacy{
  border-top:1px solid var(--line);padding-top:32px;margin-top:8px;
}
.privacy h2{font-size:1rem;font-weight:700;color:var(--ink);}
.privacy ul{display:grid;gap:14px;margin-top:20px;}
@media(min-width:900px){.privacy ul{grid-template-columns:repeat(4,1fr);gap:28px;}}
.privacy li{
  font-size:.8125rem;line-height:1.75;color:var(--text-2);
  border-left:1px solid var(--line);padding-left:14px;
}
.privacy li strong{display:block;color:var(--ink);font-size:.8125rem;margin-bottom:4px;font-weight:700;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--text-inv);margin-top:64px;padding:56px 0 28px;}
.foot-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:760px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr;}}
@media(min-width:1024px){.foot-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;}}
.foot-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.0625rem;color:var(--text-inv);}
.foot-brand .brand-mark{background:var(--glow);}
.foot-desc{font-size:.875rem;line-height:1.8;color:rgba(247,245,240,.72);margin-top:16px;max-width:34ch;}
.foot-contact{font-size:.8125rem;line-height:1.9;color:rgba(247,245,240,.6);margin-top:14px;}
.foot-col-title{font-size:.75rem;letter-spacing:.08em;color:rgba(247,245,240,.55);font-weight:700;margin-bottom:14px;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:.875rem;color:rgba(247,245,240,.82);transition:color var(--d-fast) var(--ease);}
.foot-links a:hover{color:var(--glow);}
.foot-cta p{font-size:.8125rem;line-height:1.75;color:rgba(247,245,240,.65);margin-bottom:14px;}
.foot-cta .btn-primary{background:var(--glow);color:var(--ink);}
.foot-cta .btn-primary:hover{background:#E6F98F;}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(247,245,240,.16);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.75rem;color:rgba(247,245,240,.65);line-height:1.8;
}
.foot-bottom a{color:rgba(247,245,240,.65);}
.foot-bottom a:hover{color:var(--glow);}

/* ---------- 表单弹层 ---------- */
.modal{
  position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;
  padding:20px;background:rgba(12,59,50,.45);
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  opacity:0;transition:opacity var(--d-fast) var(--ease);
}
.modal[hidden]{display:none;}
.modal.open{opacity:1;}
.modal-panel{
  width:100%;max-width:520px;background:var(--surface);border-radius:20px;
  padding:28px 24px;box-shadow:var(--shadow-2);
  transform:translateY(10px);transition:transform var(--d-mid) var(--ease);
  max-height:calc(100vh - 40px);overflow-y:auto;
}
@media(min-width:640px){.modal-panel{padding:32px;}}
.modal.open .modal-panel{transform:translateY(0);}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;}
.modal-head h2{font-size:1.25rem;font-weight:800;color:var(--ink);line-height:1.4;}
.modal-head p{font-size:.8125rem;line-height:1.7;color:var(--text-2);margin-top:6px;}
.modal-close{
  flex:0 0 36px;width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--ink);
  transition:background var(--d-fast) var(--ease);
}
.modal-close:hover{background:rgba(12,59,50,.07);}
.field{margin-top:18px;display:flex;flex-direction:column;gap:6px;}
.field label{font-size:.8125rem;font-weight:700;color:var(--ink);}
.field input,.field textarea{
  width:100%;min-height:44px;padding:10px 14px;border-radius:12px;
  border:1px solid var(--line);background:var(--paper);
  font-family:inherit;font-size:.9375rem;color:var(--text);line-height:1.6;
  transition:border-color var(--d-fast) var(--ease),background var(--d-fast) var(--ease);
}
.field textarea{resize:vertical;min-height:88px;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--ink-2);background:var(--surface);box-shadow:0 0 0 3px rgba(20,88,74,.12);
}
.field .err{font-size:.75rem;color:var(--accent);display:none;}
.field.invalid input,.field.invalid textarea{border-color:var(--accent);}
.field.invalid .err{display:block;}
.check-row{display:flex;gap:10px;align-items:flex-start;margin-top:18px;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--ink);flex:0 0 18px;}
.check-row label{font-size:.8125rem;line-height:1.7;color:var(--text-2);}
.check-row a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;}
.modal-panel .btn-primary{width:100%;margin-top:20px;}
.form-tip{font-size:.8125rem;line-height:1.7;color:var(--ink-2);margin-top:14px;display:none;}
.form-tip.show{display:block;}

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