/* roulang page: index */
:root{
  --c-primary:#143D34;
  --c-primary-deep:#0C2A24;
  --c-second:#7FD1B9;
  --c-accent:#F0A03C;
  --c-accent-dark:#D98A22;
  --c-bg:#FAF6EF;
  --c-bg-alt:#F3EDE2;
  --c-surface:#FFFFFF;
  --c-line:#E6DCCB;
  --c-ink:#1B2421;
  --c-muted:#63706B;
  --c-weak:#8B958F;
  --c-danger:#C0392B;
  --sh1:0 1px 2px rgba(20,61,52,.06);
  --sh2:0 8px 24px rgba(20,61,52,.10);
  --sh3:0 18px 40px rgba(20,61,52,.16);
  --r-card:16px;
  --r-img:16px;
  --r-input:10px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:ui-monospace,"DIN Alternate","SFMono-Regular",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;background-color:transparent;transition:color .2s var(--ease)}
a:hover,a:focus{color:var(--c-primary);text-decoration:none}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;margin:0;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;margin:0}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;color:var(--c-ink);letter-spacing:.2px}
p{margin:0 0 16px}
ul{margin:0;padding:0;list-style:none}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.skip{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 16px;z-index:99}
.skip:focus{left:12px;top:12px;border-radius:8px}

.grid-container{max-width:1200px;width:100%;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
@media screen and (min-width:1440px){.grid-container{max-width:1280px}}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{width:calc(100% - 24px);margin-left:12px;margin-right:12px}
@media screen and (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px}
  .grid-margin-x{margin-left:-8px;margin-right:-8px}
  .grid-margin-x>.cell{width:calc(100% - 16px);margin-left:8px;margin-right:8px}
}

/* ---------- 倒计时条 ---------- */
.cd-bar{position:sticky;top:0;z-index:60;background:var(--c-primary-deep);color:var(--c-bg)}
.cd-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;height:44px}
.cd-left{display:flex;align-items:center;gap:10px;min-width:0}
.cd-label{font-size:13px;color:rgba(250,246,239,.72);white-space:nowrap}
.cd-nums{display:flex;align-items:center;gap:6px}
.cd-unit{display:flex;align-items:center;gap:4px}
.cd-unit b{display:inline-flex;align-items:center;justify-content:center;min-width:26px;height:26px;padding:0 4px;border-radius:6px;background:rgba(240,160,60,.18);color:var(--c-accent);font-family:var(--mono);font-size:14px;font-weight:700;transition:opacity .2s var(--ease)}
.cd-unit b.tick{opacity:.55}
.cd-unit i{font-style:normal;font-size:12px;color:rgba(250,246,239,.6)}
.cd-tip{display:none;margin:0;font-size:13px;color:rgba(250,246,239,.7);white-space:nowrap}
.cd-btn{display:inline-flex;align-items:center;height:30px;padding:0 16px;border-radius:999px;background:var(--c-accent);color:#0C2A24;font-size:13px;font-weight:700;white-space:nowrap;transition:background .18s var(--ease),transform .18s var(--ease)}
.cd-btn:hover{background:var(--c-accent-dark);color:#0C2A24;transform:translateY(-1px)}
@media screen and (min-width:1024px){.cd-tip{display:block}}
@media screen and (max-width:639px){
  .cd-inner{height:40px}
  .cd-label{display:none}
  .cd-unit.sec{display:none}
  .cd-unit b{min-width:24px;height:24px;font-size:13px}
}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:44px;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);transition:box-shadow .22s var(--ease)}
.site-header.scrolled{box-shadow:var(--sh2);border-bottom:1px solid var(--c-line)}
@media screen and (max-width:639px){.site-header{top:40px}}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
@media screen and (max-width:639px){.nav-inner{height:60px;gap:12px}}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0}
.brand-mark{flex:0 0 auto;width:38px;height:38px;border-radius:10px;background:var(--c-primary);color:var(--c-accent);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:13px;font-weight:800}
.brand-text{font-size:16px;font-weight:800;color:var(--c-primary);line-height:1.2;white-space:nowrap}
@media screen and (max-width:400px){.brand-text{font-size:14px;white-space:normal}}
.nav-links{display:none;align-items:center;gap:2px;flex:1 1 auto;justify-content:center}
.nav-links a{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:999px;font-size:16px;font-weight:600;color:var(--c-ink);white-space:nowrap;transition:background .18s var(--ease),color .18s var(--ease)}
.nav-links a:hover{background:var(--c-bg-alt);color:var(--c-primary)}
.nav-links a.active{color:var(--c-primary)}
.nav-links a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--c-accent)}
.nav-actions{display:none;align-items:center;gap:10px;flex:0 0 auto}
.burger{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);background:#fff}
.burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--c-primary);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media screen and (min-width:1024px){
  .nav-links{display:flex}
  .nav-actions{display:flex}
  .burger{display:none}
}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;z-index:65;background:rgba(20,61,52,.45);opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease)}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;z-index:70;width:86vw;max-width:360px;background:var(--c-bg);display:flex;flex-direction:column;transform:translateX(105%);transition:transform .28s var(--ease);box-shadow:var(--sh3)}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--c-line)}
.drawer-head strong{font-size:15px;color:var(--c-primary)}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);background:#fff;font-size:18px;line-height:1;color:var(--c-primary)}
.drawer-body{flex:1 1 auto;overflow-y:auto;padding:8px 0}
.drawer-body a{display:flex;align-items:center;height:56px;padding:0 20px;font-size:16px;font-weight:600;border-bottom:1px solid var(--c-line);color:var(--c-ink)}
.drawer-body a.active{color:var(--c-primary);background:var(--c-bg-alt)}
.drawer-foot{padding:16px 20px 24px;display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--c-line)}
.drawer-foot .btn{width:100%}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:999px;border:1.5px solid transparent;font-size:15px;font-weight:600;white-space:nowrap;cursor:pointer;transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-accent);color:#0C2A24}
.btn-primary:hover{background:var(--c-accent-dark);color:#0C2A24;transform:translateY(-2px);box-shadow:var(--sh2)}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary);color:var(--c-bg);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:rgba(250,246,239,.55);color:var(--c-bg)}
.btn-ghost:hover{background:rgba(250,246,239,.12);color:#fff;transform:translateY(-2px)}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn-sm{height:36px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.text-btn{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);white-space:nowrap}
.text-btn span{transition:transform .2s var(--ease)}
.text-btn:hover{color:var(--c-accent-dark)}
.text-btn:hover span{transform:translateX(4px)}

/* ---------- 通用 ---------- */
.section{padding:96px 0}
.section.alt{background:var(--c-bg-alt)}
@media screen and (max-width:1023px){.section{padding:72px 0}}
@media screen and (max-width:639px){.section{padding:56px 0}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head.center{flex-direction:column;align-items:center;text-align:center}
.sec-tag{display:inline-block;font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--c-second);background:rgba(127,209,185,.16);padding:4px 10px;border-radius:999px;margin-bottom:12px}
.sec-head h2{position:relative;font-size:32px;padding-left:16px}
.sec-head h2::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:22px;border-radius:2px;background:var(--c-accent)}
.sec-head.center h2{padding-left:0}
.sec-head.center h2::before{display:none}
.sec-sub{margin:10px 0 0;font-size:15px;color:var(--c-muted);max-width:640px}
@media screen and (max-width:639px){
  .sec-head{flex-direction:column;align-items:flex-start;margin-bottom:28px}
  .sec-head h2{font-size:24px}
}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1}
.badge-cat{background:rgba(127,209,185,.28);color:#143D34}
.badge-time{background:rgba(240,160,60,.22);color:#7A4A08}
.num-badge{flex:0 0 auto;width:36px;height:36px;border-radius:50%;background:var(--c-primary);color:var(--c-accent);display:inline-flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:13px;font-weight:700}
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.card:hover{transform:translateY(-4px);border-color:var(--c-second);box-shadow:var(--sh2)}
.card-body{padding:26px}
.card-title{font-size:19px;font-weight:700;margin-bottom:10px;line-height:1.45}
.card-text{font-size:15px;color:var(--c-muted);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted)}
.imgbox{position:relative;display:block;overflow:hidden;border-radius:var(--r-img);background:var(--c-bg-alt)}
.imgbox img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}
.imgbox:hover img{transform:scale(1.04)}
.ratio-4-3{aspect-ratio:4/3}
.ratio-16-9{aspect-ratio:16/9}
.ratio-3-4{aspect-ratio:3/4}
.ratio-1-1{aspect-ratio:1/1}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--c-bg-alt);padding:80px 0 96px;overflow:hidden}
.hero::before{content:"";position:absolute;top:0;left:0;width:280px;height:280px;background-image:radial-gradient(rgba(20,61,52,.06) 1.4px,transparent 1.4px);background-size:14px 14px;pointer-events:none}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:56px;background:var(--c-bg);clip-path:polygon(0 100%,100% 0,100% 100%)}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);background:rgba(127,209,185,.28);padding:6px 14px;border-radius:999px;margin-bottom:18px}
.hero h1{font-size:44px;line-height:1.25;margin-bottom:16px}
.hero-lead{font-size:17px;color:var(--c-muted);margin-bottom:26px;max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.trust{display:flex;flex-wrap:wrap;gap:10px}
.trust span{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--c-line);font-size:13px;color:var(--c-muted)}
.hero-visual{position:relative}
.hero-visual .imgbox{border-radius:20px;box-shadow:var(--sh2)}
.hero-visual .imgbox::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(240,160,60,.14),rgba(20,61,52,.18));pointer-events:none}
.hero-float{position:absolute;right:18px;bottom:18px;background:#fff;border-radius:14px;padding:14px 18px;box-shadow:var(--sh2);display:flex;align-items:center;gap:12px;max-width:78%}
.hero-float b{font-family:var(--mono);font-size:26px;color:var(--c-primary);line-height:1}
.hero-float small{font-size:12.5px;color:var(--c-muted);line-height:1.5;display:block}
@media screen and (max-width:1023px){
  .hero{padding:56px 0 72px}
  .hero h1{font-size:36px}
  .hero-visual{margin-top:28px}
}
@media screen and (max-width:639px){
  .hero{padding:44px 0 60px}
  .hero h1{font-size:30px}
  .hero-lead{font-size:15.5px}
  .hero-visual .imgbox{aspect-ratio:auto;height:230px}
  .hero-float{position:static;max-width:none;width:100%;margin-top:12px;justify-content:flex-start}
}

/* ---------- 卖点区 ---------- */
.point-main{display:flex;flex-direction:column;padding:30px;height:100%}
.point-main h3{font-size:23px;margin:18px 0 12px}
.point-main p{font-size:15px;color:var(--c-muted);margin-bottom:22px}
.point-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media screen and (min-width:640px){.point-grid{grid-template-columns:1fr 1fr}}
.point-item{padding:24px;display:flex;gap:14px;align-items:flex-start}
.point-ico{flex:0 0 auto;width:40px;height:40px;border-radius:10px;background:rgba(127,209,185,.28);display:flex;align-items:center;justify-content:center;transition:background .2s var(--ease)}
.point-item:hover .point-ico{background:var(--c-second)}
.point-ico svg{width:20px;height:20px;stroke:var(--c-primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.point-item h4{font-size:17px;margin-bottom:8px}
.point-item p{font-size:14.5px;color:var(--c-muted);margin:0}

/* ---------- 图墙 ---------- */
.wall{margin-bottom:24px}
.wall-card{position:relative;display:block;overflow:hidden;border-radius:var(--r-img);background:var(--c-bg-alt);box-shadow:var(--sh1)}
.wall-card img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}
.wall-card:hover img{transform:scale(1.04)}
.wall-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,42,36,0) 45%,rgba(12,42,36,.72));opacity:.88;transition:opacity .22s var(--ease)}
.wall-card:hover::after{opacity:1}
.wall-cap{position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#fff}
.wall-cap h3{font-size:18px;color:#fff;margin-bottom:4px}
.wall-cap p{font-size:13px;color:rgba(255,255,255,.82);margin:0}
.wall-chip{position:absolute;right:16px;bottom:16px;z-index:3;display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--c-accent);color:#3A2508;font-size:12.5px;font-weight:700}
.wall-h{aspect-ratio:16/9}
.wall-v{aspect-ratio:3/4}
.wall-s{aspect-ratio:4/3}
@media screen and (max-width:639px){
  .wall-h,.wall-v,.wall-s{aspect-ratio:16/10}
}

/* ---------- 数据区 ---------- */
.kpi{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media screen and (min-width:1024px){.kpi{grid-template-columns:repeat(4,1fr);gap:20px}}
.kpi-card{padding:24px;border-radius:var(--r-card);background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh1)}
.kpi-card b{display:block;font-family:var(--mono);font-size:32px;color:var(--c-primary);line-height:1.1}
.kpi-card span{display:block;font-size:13.5px;color:var(--c-muted);margin-top:6px}

/* ---------- CTA + 表单 ---------- */
.cta-wrap{background:var(--c-primary);border-radius:24px;padding:56px 40px;position:relative;overflow:hidden}
.cta-wrap::before{content:"";position:absolute;top:0;left:0;width:220px;height:220px;background-image:radial-gradient(rgba(250,246,239,.10) 1.4px,transparent 1.4px);background-size:14px 14px;pointer-events:none}
.cta-copy{position:relative;z-index:2;color:rgba(250,246,239,.86)}
.cta-copy h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-list{margin:0 0 6px}
.cta-list li{position:relative;padding-left:20px;margin-bottom:10px;font-size:15px;color:rgba(250,246,239,.86)}
.cta-list li::before{content:"";position:absolute;left:0;top:13px;width:12px;height:2px;border-radius:2px;background:var(--c-accent)}
.form-card{position:relative;z-index:2;background:#fff;border-radius:18px;padding:30px;box-shadow:var(--sh3)}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card .form-hint{font-size:13.5px;color:var(--c-muted);margin-bottom:20px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--c-ink)}
.req{color:var(--c-danger);margin-left:3px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--c-line);border-radius:var(--r-input);background:#fff;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field input,.field select{height:48px;padding:0 14px}
.field textarea{min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%23143D34' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(240,160,60,.18)}
.field.invalid input,.field.invalid textarea{border-color:var(--c-danger)}
.err-msg{display:none;font-size:13px;color:var(--c-danger);margin-top:6px}
.field.invalid .err-msg{display:block}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--c-muted);line-height:1.6;margin-bottom:18px;cursor:pointer}
.check input{appearance:none;-webkit-appearance:none;flex:0 0 auto;width:20px;height:20px;margin-top:3px;border:1.5px solid var(--c-line);border-radius:6px;background:#fff;position:relative;cursor:pointer;transition:background .18s var(--ease),border-color .18s var(--ease)}
.check input:checked{background:var(--c-primary);border-color:var(--c-primary)}
.check input:checked::after{content:"";position:absolute;left:6px;top:2px;width:5px;height:10px;border:2px solid #fff;border-top:0;border-left:0;transform:rotate(45deg)}
.check input:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.form-result{margin:14px 0 0;font-size:14px;color:var(--c-second);min-height:22px}
@media screen and (max-width:1023px){
  .cta-wrap{padding:40px 26px}
  .cta-copy h2{font-size:25px}
}
@media screen and (max-width:639px){
  .cta-wrap{border-radius:18px;padding:32px 20px}
  .form-card{padding:20px;margin-top:24px}
  .form-card .btn{width:100%}
}

/* ---------- 资讯 ---------- */
.news-feature{display:flex;flex-direction:column;overflow:hidden;height:100%}
.news-feature .card-body{padding:26px}
.news-list{display:flex;flex-direction:column;gap:18px}
.news-item{display:flex;gap:16px;padding:18px;align-items:flex-start}
.news-thumb{flex:0 0 auto;width:84px;height:84px;border-radius:12px;overflow:hidden;background:var(--c-bg-alt)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-item h3{font-size:17px;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item:hover h3{color:var(--c-primary)}
.news-item p{font-size:14px;color:var(--c-muted);margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);flex-wrap:wrap}
.empty-state{background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);padding:56px 24px;text-align:center}
.empty-state svg{width:48px;height:48px;stroke:var(--c-weak);fill:none;stroke-width:1.5;margin:0 auto 14px}
.empty-state p{font-size:15px;color:var(--c-muted);margin-bottom:12px}
@media screen and (max-width:639px){
  .news-item{padding:16px}
  .news-thumb{width:72px;height:72px}
}

/* ---------- FAQ ---------- */
.faq-list{max-width:840px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item.open{border-color:var(--c-second);box-shadow:var(--sh1)}
.faq-q{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:16px 20px 16px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink)}
.faq-q::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;background:var(--c-accent);opacity:0;transition:opacity .2s var(--ease)}
.faq-item.open .faq-q::before{opacity:1}
.faq-icon{flex:0 0 auto;position:relative;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-accent);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a-inner{padding:0 22px 18px;font-size:15px;color:var(--c-muted);line-height:1.85}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(250,246,239,.78);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:44px}
@media screen and (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media screen and (min-width:1024px){.footer-grid{grid-template-columns:repeat(4,1fr)}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(250,246,239,.10);color:var(--c-accent)}
.footer-brand strong{font-size:16px;color:#fff;line-height:1.3}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(250,246,239,.72);margin:0 0 8px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(250,246,239,.78)}
.footer-links a:hover{color:var(--c-accent)}
.footer-note{font-size:13px;color:rgba(250,246,239,.55);margin-top:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(250,246,239,.6)}
.top-btn{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:999px;border:1px solid rgba(250,246,239,.35);color:rgba(250,246,239,.82);font-size:13.5px;transition:background .2s var(--ease),color .2s var(--ease)}
.top-btn:hover{background:rgba(250,246,239,.12);color:#fff}

/* roulang page: category1 */
:root{
  --c-primary:#143D34;
  --c-primary-deep:#0C2A24;
  --c-second:#7FD1B9;
  --c-accent:#F0A03C;
  --c-accent-dark:#D98A22;
  --c-bg:#FAF6EF;
  --c-bg-alt:#F3EDE2;
  --c-surface:#FFFFFF;
  --c-line:#E6DCCB;
  --c-ink:#1B2421;
  --c-muted:#63706B;
  --c-weak:#8B958F;
  --c-danger:#C0392B;
  --r-card:16px;
  --r-img:16px;
  --r-input:10px;
  --sh1:0 1px 2px rgba(20,61,52,.06);
  --sh2:0 8px 24px rgba(20,61,52,.10);
  --sh3:0 18px 40px rgba(20,61,52,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --mono:ui-monospace,"DIN Alternate","SFMono-Regular",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
figure{margin:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s var(--ease);}
a:hover,a:focus{color:var(--c-accent-dark);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,h5{font-family:var(--font);font-weight:800;color:var(--c-ink);line-height:1.3;margin:0;letter-spacing:.2px;}
h1{font-size:44px;line-height:1.28;}
h2{font-size:32px;line-height:1.3;}
h3{font-size:21px;line-height:1.4;}
h4{font-size:18px;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}

.grid-container{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px;}
@media screen and (min-width:1440px){.grid-container{max-width:1280px;}}

/* ============ 顶部倒计时条 ============ */
.topbar{
  position:sticky;top:0;z-index:60;
  background:var(--c-primary-deep);
  color:var(--c-bg);
  height:44px;
  display:flex;align-items:center;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar-inner{display:flex;align-items:center;gap:18px;width:100%;}
.cd-label{font-size:13px;color:rgba(250,246,239,.8);white-space:nowrap;letter-spacing:.5px;}
.cd-clock{display:flex;align-items:center;gap:6px;}
.cd-cell{
  display:inline-flex;align-items:baseline;gap:3px;
  background:rgba(240,160,60,.18);
  border-radius:6px;padding:3px 8px;
}
.cd-num{font-family:var(--mono);font-size:15px;font-weight:700;color:var(--c-accent);letter-spacing:.5px;}
.cd-unit{font-size:11px;color:rgba(250,246,239,.65);}
.topbar-tip{
  flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  font-size:13px;color:rgba(250,246,239,.78);
}
.topbar-btn{
  flex:0 0 auto;
  height:30px;padding:0 16px;border:0;border-radius:999px;
  background:var(--c-accent);color:var(--c-primary-deep);
  font-size:13px;font-weight:700;line-height:30px;text-decoration:none;
  transition:transform .18s var(--ease),background .18s var(--ease);
}
.topbar-btn:hover{background:var(--c-accent-dark);color:var(--c-primary-deep);transform:translateY(-1px);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:44px;z-index:50;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(6px);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh2);border-bottom-color:var(--c-line);}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  background:var(--c-primary);color:var(--c-accent);
  font-family:var(--mono);font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{font-size:17px;font-weight:800;color:var(--c-primary);line-height:1.2;max-width:190px;}
.brand:hover .brand-text{color:var(--c-accent-dark);}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:999px;
  font-size:16px;font-weight:600;color:var(--c-ink);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-links a:hover{background:var(--c-bg-alt);color:var(--c-primary);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-primary);}
.nav-links a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-accent);color:#20301C;}
.btn-primary:hover{background:var(--c-accent-dark);color:#20301C;transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary);color:var(--c-bg);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--c-bg);border-color:rgba(250,246,239,.6);}
.btn-ghost:hover{background:rgba(250,246,239,.12);color:#fff;transform:translateY(-2px);}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;height:auto;padding:0;
  background:none;border:0;color:var(--c-primary);font-size:15px;font-weight:600;
}
.btn-text .arrow{transition:transform .18s var(--ease);}
.btn-text:hover{color:var(--c-accent-dark);}
.btn-text:hover .arrow{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ============ 移动端导航 ============ */
.burger{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;
  background:var(--c-surface);position:relative;flex:0 0 auto;
}
.burger span{
  position:absolute;left:11px;right:11px;height:2px;border-radius:2px;background:var(--c-primary);
  transition:transform .22s var(--ease),opacity .18s var(--ease);
}
.burger span:nth-child(1){top:15px;}
.burger span:nth-child(2){top:21px;}
.burger span:nth-child(3){top:27px;}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.burger.is-open span:nth-child(2){opacity:0;}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.drawer-mask{
  position:fixed;inset:0;z-index:65;background:rgba(20,61,52,.45);
  opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:70;
  width:86vw;max-width:360px;background:var(--c-surface);
  transform:translateX(100%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;box-shadow:var(--sh3);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{padding:18px 20px;border-bottom:1px solid var(--c-line);font-weight:800;color:var(--c-primary);}
.drawer-nav{flex:1;overflow-y:auto;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;padding:0 20px;border-bottom:1px solid var(--c-line);
  font-size:16px;font-weight:600;color:var(--c-ink);
}
.drawer-nav a.active{color:var(--c-primary);border-left:3px solid var(--c-accent);}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--c-line);display:grid;gap:10px;}
.drawer-foot .btn{width:100%;}

/* ============ Page Hero ============ */
.page-hero{
  position:relative;
  min-height:260px;
  display:flex;align-items:flex-end;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,61,52,.86) 0%,rgba(20,61,52,.62) 58%,rgba(20,61,52,.5) 100%);
}
.hero-inner{position:relative;z-index:1;padding-top:56px;padding-bottom:56px;color:#fff;}
.hero-kicker{
  display:inline-block;font-family:var(--mono);font-size:12.5px;letter-spacing:1px;
  color:var(--c-accent);background:rgba(240,160,60,.16);
  border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.page-hero h1{color:#fff;max-width:900px;font-size:40px;}
.page-hero .hero-desc{color:rgba(250,246,239,.86);max-width:760px;margin:14px 0 0;font-size:16.5px;}
.breadcrumb{
  position:absolute;right:20px;bottom:16px;z-index:2;
  font-size:13.5px;color:rgba(250,246,239,.8);display:flex;align-items:center;gap:8px;
}
.breadcrumb a{color:rgba(250,246,239,.8);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .current{color:#fff;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--c-bg-alt);}
.section-head{max-width:780px;margin-bottom:44px;position:relative;padding-left:18px;}
.section-head::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:2px;background:var(--c-accent);
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;padding-left:0;}
.section-head.center::before{left:50%;transform:translateX(-50%);}
.sec-tag{
  display:inline-block;font-family:var(--mono);font-size:12.5px;letter-spacing:1.2px;
  color:var(--c-primary);background:var(--c-second);
  border-radius:999px;padding:3px 12px;margin-bottom:12px;
}
.sec-sub{color:var(--c-muted);font-size:15.5px;margin:12px 0 0;}

/* ============ 图文交替内容块 ============ */
.alt-row{margin-bottom:80px;}
.alt-row:last-child{margin-bottom:0;}
.alt-row .media-cell{margin-bottom:24px;}
.media-box{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  background:var(--c-bg-alt);border:1px solid var(--c-line);
}
.media-box img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease);}
.media-box:hover img{transform:scale(1.04);}
.ratio-3-2{aspect-ratio:3/2;}
.ratio-16-9{aspect-ratio:16/9;}
.alt-row p{color:var(--c-muted);}
.point-list{margin-top:20px;display:grid;gap:12px;}
.point-list li{display:flex;align-items:flex-start;gap:12px;color:var(--c-ink);font-size:15.5px;}
.num-badge{
  flex:0 0 auto;width:36px;height:36px;border-radius:50%;
  background:var(--c-primary);color:var(--c-accent);
  font-family:var(--mono);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}

/* ============ 条件 / 参数卡区 ============ */
.info-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh1);height:100%;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:var(--c-second);}
.icon-box{
  width:40px;height:40px;border-radius:10px;background:rgba(127,209,185,.28);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  transition:background .2s var(--ease);
}
.info-card:hover .icon-box{background:var(--c-second);}
.icon-box svg{width:20px;height:20px;stroke:var(--c-primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.info-card .card-label{font-size:13.5px;color:var(--c-muted);margin-bottom:6px;}
.info-card .card-value{font-size:19px;font-weight:800;color:var(--c-ink);line-height:1.4;font-family:var(--mono);}
.info-card .card-note{font-size:13.5px;color:var(--c-weak);margin:10px 0 0;}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--c-primary);border-radius:20px;padding:38px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--sh2);
}
.cta-band h2{color:#fff;font-size:26px;}
.cta-band p{color:rgba(250,246,239,.8);margin:10px 0 0;font-size:15.5px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ FAQ 手风琴 ============ */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;
  padding:0 18px;position:relative;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item.is-open{border-color:var(--c-second);box-shadow:var(--sh1);}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--c-accent);
}
.faq-q{
  width:100%;background:none;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 0;font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-accent);font-size:18px;line-height:1;font-weight:700;
  transition:transform .2s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .22s var(--ease);
}
.faq-a p{color:var(--c-muted);font-size:15px;padding-bottom:18px;margin:0;}
.faq-item.is-open .faq-a{max-height:420px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-deep);color:rgba(250,246,239,.78);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand strong{color:#fff;font-size:16px;line-height:1.35;}
.footer-col p{font-size:14px;margin:0 0 10px;color:rgba(250,246,239,.72);}
.footer-note{color:rgba(240,160,60,.9);font-size:13.5px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.5px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:rgba(250,246,239,.78);font-size:14.5px;transition:color .18s var(--ease),transform .18s var(--ease);display:inline-block;}
.footer-links a:hover{color:var(--c-accent);transform:translateX(3px);}
.top-btn{
  margin-top:16px;height:36px;padding:0 16px;border-radius:999px;
  background:transparent;border:1.5px solid rgba(250,246,239,.5);color:rgba(250,246,239,.9);
  font-size:13.5px;font-weight:600;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.top-btn:hover{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-primary-deep);transform:translateY(-2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 26px;display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between;
  font-size:13px;color:rgba(250,246,239,.6);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .header-inner{height:64px;}
  .nav-links,.header-actions .btn-outline{display:none;}
  .burger{display:block;}
  .site-header{top:44px;}
  .section{padding:72px 0;}
  h1{font-size:34px;}
  .page-hero h1{font-size:32px;}
  h2{font-size:26px;}
  .alt-row{margin-bottom:60px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .cta-band{padding:32px 28px;}
  .section-head{margin-bottom:34px;}
}
@media screen and (max-width:639px){
  .topbar{height:40px;}
  .topbar-tip,.cd-cell.sec{display:none;}
  .site-header{top:40px;}
  .header-inner{height:60px;gap:12px;}
  .brand-text{font-size:15px;max-width:150px;}
  .brand-mark{width:36px;height:36px;border-radius:10px;}
  .section{padding:56px 0;}
  h1{font-size:30px;}
  .page-hero{min-height:200px;}
  .page-hero h1{font-size:26px;}
  .page-hero .hero-desc{font-size:15px;}
  .hero-inner{padding-top:40px;padding-bottom:64px;}
  .breadcrumb{position:static;margin-top:16px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  .point-list li{font-size:15px;}
  .cta-band{padding:26px 20px;border-radius:16px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .info-card{padding:22px 20px;}
}

/* roulang page: article */
:root{
  --c-primary:#143D34;
  --c-primary-deep:#0C2A24;
  --c-second:#7FD1B9;
  --c-accent:#F0A03C;
  --c-accent-dark:#D98A22;
  --c-bg:#FAF6EF;
  --c-bg-alt:#F3EDE2;
  --c-surface:#FFFFFF;
  --c-line:#E6DCCB;
  --c-ink:#1B2421;
  --c-muted:#63706B;
  --c-weak:#8B958F;
  --c-danger:#C0392B;
  --r-card:16px;
  --r-img:16px;
  --r-input:10px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(20,61,52,.06);
  --sh2:0 8px 24px rgba(20,61,52,.10);
  --sh3:0 18px 40px rgba(20,61,52,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --mono:ui-monospace,"DIN Alternate",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease)}
a:hover{color:var(--c-accent-dark)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;color:var(--c-ink)}
h1{font-size:44px}
h2{font-size:32px}
h3{font-size:21px}
h4{font-size:18px}
p{margin:0}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;width:100%}
.grid-container.full-bleed{max-width:100%}

/* ---------- 倒计时条 ---------- */
.countdown-bar{
  position:sticky;top:0;z-index:60;
  background:var(--c-primary-deep);
  color:var(--c-bg);
  min-height:44px;
}
.cd-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px}
.cd-left{display:flex;align-items:center;gap:12px;min-width:0}
.cd-label{font-size:12.5px;letter-spacing:.06em;color:var(--c-second);white-space:nowrap}
.cd-clock{display:flex;align-items:center;gap:6px}
.cd-unit{display:flex;align-items:baseline;gap:2px;background:rgba(240,160,60,.18);border-radius:6px;padding:2px 7px}
.cd-unit b{font-family:var(--mono);font-size:14px;color:var(--c-accent);letter-spacing:.04em}
.cd-unit i{font-style:normal;font-size:11px;color:rgba(250,246,239,.72)}
.cd-tip{font-size:13px;color:rgba(250,246,239,.8);flex:1;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cd-btn{
  display:inline-flex;align-items:center;height:30px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#14241E;font-size:13px;font-weight:700;white-space:nowrap;
  transition:transform .2s var(--ease),background-color .2s var(--ease);
}
.cd-btn:hover{background:var(--c-accent-dark);color:#14241E;transform:translateY(-1px)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:44px;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh2)}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;color:var(--c-primary);font-weight:800;font-size:17px;letter-spacing:.2px}
.brand:hover{color:var(--c-primary)}
.brand-mark{
  width:38px;height:38px;flex:none;border-radius:12px;
  background:var(--c-primary);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:14px;font-weight:700;letter-spacing:.04em;
}
.brand-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;display:inline-block;padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--c-ink);
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.nav-links a:hover{background:rgba(127,209,185,.24);color:var(--c-primary)}
.nav-links a.active{color:var(--c-primary)}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--c-accent);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn{height:44px;padding:0 22px}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1.5px solid transparent;background:transparent;color:var(--c-ink);
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-accent);color:#14241E;box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--c-accent-dark);color:#14241E;transform:translateY(-2px);box-shadow:var(--sh2)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary);color:#FAF6EF}
.btn-ghost{border-color:rgba(250,246,239,.55);color:#FAF6EF}
.btn-ghost:hover{background:rgba(250,246,239,.14);color:#FAF6EF}
.btn-block{width:100%}
.btn-sm{height:36px;padding:0 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--c-primary)}
.link-arrow span{transition:transform .2s var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- 页面头 ---------- */
.post-head{background:var(--c-surface);border-bottom:1px solid var(--c-line);padding:28px 0 34px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-muted);margin-bottom:18px}
.crumbs a{color:var(--c-muted)}
.crumbs a:hover{color:var(--c-accent-dark)}
.crumbs .sep{color:var(--c-line)}
.crumbs .cur{color:var(--c-ink);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post-title{font-size:36px;line-height:1.3;max-width:900px;letter-spacing:-.2px}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px;font-size:13.5px;color:var(--c-muted)}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600}
.badge-cat{background:var(--c-second);color:#123B31}
.badge-time{background:var(--c-accent);color:#3A2607}
.share-group{display:inline-flex;align-items:center;gap:8px;margin-left:auto}
.share-btn{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-muted);font-size:13px;font-weight:600;
  display:flex;align-items:center;justify-content:center;
  transition:all .2s var(--ease);
}
.share-btn:hover{border-color:var(--c-second);color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh1)}

/* ---------- 正文区 ---------- */
.post-body{padding:48px 0 64px}
.article-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh1);
}
.prose{max-width:760px;font-size:16px;line-height:1.9;color:#26302C}
.prose>*:first-child{margin-top:0}
.prose p{margin:0 0 1.2em}
.prose h2{font-size:24px;margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--c-second);line-height:1.4}
.prose h3{font-size:19px;margin:28px 0 12px}
.prose h4{font-size:17px;margin:22px 0 10px}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.4em}
.prose ul{list-style:none;padding-left:1.4em}
.prose ul li{position:relative;padding-left:14px;margin-bottom:8px}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--c-accent)}
.prose ol{list-style:decimal}
.prose ol li{margin-bottom:8px}
.prose blockquote{
  margin:0 0 1.2em;padding:20px;border-left:4px solid var(--c-accent);
  background:var(--c-bg-alt);border-radius:0 12px 12px 0;color:#3C4844;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:12px;margin:0 auto}
.prose figure{margin:0 0 1.6em;text-align:center}
.prose figcaption{font-size:13px;color:var(--c-muted);margin-top:8px}
.prose table{width:100%;border-collapse:collapse;margin:0 0 1.5em;font-size:15px}
.prose thead th{background:var(--c-primary);color:#FAF6EF;text-align:left;padding:12px 14px;font-weight:600}
.prose tbody td{padding:12px 14px;border-bottom:1px solid var(--c-line)}
.prose tbody tr:nth-child(even){background:var(--c-bg-alt)}
.prose pre{background:#0C2A24;color:#E8F3EE;border-radius:12px;padding:18px;overflow:auto;font-size:14px;line-height:1.7}
.prose code{font-family:var(--mono);font-size:14px;background:var(--c-bg-alt);padding:2px 6px;border-radius:6px}
.prose pre code{background:transparent;padding:0;color:inherit}
.prose a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--c-accent-dark)}
.empty-state{text-align:center;padding:56px 20px}
.empty-state p{font-size:17px;color:var(--c-muted);margin-bottom:18px}

/* ---------- 文末 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tag-cloud a{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-bg-alt);border:1px solid var(--c-line);color:var(--c-muted);font-size:13px;
  transition:all .2s var(--ease);
}
.tag-cloud a:hover{background:var(--c-second);border-color:var(--c-second);color:#123B31}
.disclaimer{margin-top:20px;font-size:13px;line-height:1.8;color:var(--c-muted)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px}
.post-nav a{
  display:block;padding:20px 22px;border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);box-shadow:var(--sh1);transition:all .22s var(--ease);
}
.post-nav a:hover{border-color:var(--c-second);box-shadow:var(--sh2);transform:translateY(-4px);color:var(--c-primary)}
.post-nav em{display:block;font-style:normal;font-size:12.5px;color:var(--c-weak);margin-bottom:6px}
.post-nav strong{display:block;font-size:16px;font-weight:700;line-height:1.5;color:var(--c-ink)}

/* ---------- 侧栏 ---------- */
.sidebar{margin-top:40px}
.side-inner{display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh1)}
.side-title{position:relative;font-size:17px;padding-left:12px;margin-bottom:16px}
.side-title::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:4px;border-radius:2px;background:var(--c-accent)}
.rec-list li+li{margin-top:14px;padding-top:14px;border-top:1px solid var(--c-line)}
.rec-list a{display:flex;gap:12px;align-items:flex-start}
.rec-thumb{width:72px;height:72px;flex:none;border-radius:12px;overflow:hidden;background:var(--c-bg-alt)}
.rec-thumb img{width:100%;height:100%;object-fit:cover}
.rec-body strong{display:block;font-size:14.5px;font-weight:600;line-height:1.55;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-list a:hover strong{color:var(--c-primary)}
.rec-body em{display:block;font-style:normal;font-size:12.5px;color:var(--c-weak);margin-top:6px}
.side-links li+li{margin-top:10px}
.side-links a{display:block;font-size:14.5px;color:var(--c-muted);padding:6px 0}
.side-links a:hover{color:var(--c-primary)}
.side-cta{background:var(--c-primary);border-radius:var(--r-card);padding:26px;color:var(--c-bg);box-shadow:var(--sh2)}
.side-cta h3{color:#FAF6EF;font-size:19px;margin-bottom:10px}
.side-cta p{font-size:14px;color:rgba(250,246,239,.78);margin-bottom:18px}
.empty-line{font-size:14px;color:var(--c-muted)}

/* ---------- FAQ ---------- */
.faq-section{padding:0 0 72px}
.faq-head{max-width:820px;margin:0 auto 26px}
.eyebrow{display:inline-block;font-family:var(--mono);font-size:12.5px;letter-spacing:.14em;color:var(--c-accent-dark);margin-bottom:10px}
.faq-head h2{position:relative;padding-left:16px}
.faq-head h2::before{content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:2px;background:var(--c-accent)}
.faq-head p{margin-top:12px;color:var(--c-muted);font-size:15px}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;
  margin-bottom:12px;padding:0 20px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-left:3px solid var(--c-accent);box-shadow:var(--sh1)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 0;font-size:16px;font-weight:600;color:var(--c-ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--c-accent);font-size:22px;line-height:1;font-weight:400}
.faq-item[open] summary::after{content:"×"}
.faq-item .faq-body{padding:0 0 18px;font-size:15px;color:var(--c-muted);line-height:1.85}

/* ---------- CTA 区 ---------- */
.cta-band-wrap{padding:0 0 72px}
.cta-band{
  border-radius:24px;padding:46px 40px;color:#FAF6EF;
  background-image:linear-gradient(rgba(12,42,36,.88),rgba(12,42,36,.88)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;box-shadow:var(--sh2);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{color:#FAF6EF;font-size:28px;margin-bottom:12px}
.cta-band p{color:rgba(250,246,239,.82);font-size:15px;max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(250,246,239,.78);padding-top:56px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;padding-bottom:36px}
.footer-col h4{color:#FAF6EF;font-size:16px;margin-bottom:16px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:#FAF6EF;font-size:16px;font-weight:700}
.footer-col p{font-size:14px;line-height:1.9}
.footer-note{color:var(--c-accent);margin-top:10px}
.footer-links li+li{margin-top:10px}
.footer-links a{color:rgba(250,246,239,.78);font-size:14.5px}
.footer-links a:hover{color:var(--c-accent)}
.top-btn{
  margin-top:18px;height:36px;padding:0 18px;border-radius:var(--r-pill);
  border:1.5px solid rgba(250,246,239,.4);background:transparent;color:rgba(250,246,239,.85);
  font-size:13.5px;transition:all .2s var(--ease);
}
.top-btn:hover{border-color:var(--c-accent);color:var(--c-accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 26px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:13px;color:rgba(250,246,239,.6);
}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;z-index:65;background:rgba(20,61,52,.45);
  opacity:0;pointer-events:none;transition:opacity .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:70;width:86vw;max-width:360px;
  background:var(--c-bg);box-shadow:var(--sh3);
  transform:translateX(100%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:10px;padding:18px 20px;border-bottom:1px solid var(--c-line)}
.drawer-head strong{font-size:15px;line-height:1.3}
.drawer-close{
  margin-left:auto;width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-muted);font-size:20px;line-height:1;
}
.drawer-nav{padding:8px 0;overflow-y:auto;flex:1}
.drawer-nav a{display:block;padding:16px 22px;font-size:16px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line)}
.drawer-nav a:hover{background:var(--c-bg-alt);color:var(--c-primary)}
.drawer-foot{padding:18px 20px;border-top:1px solid var(--c-line);display:flex;flex-direction:column;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface);padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--c-primary);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media screen and (min-width:1024px){
  .side-inner{position:sticky;top:96px}
}
@media screen and (max-width:1023px){
  h1{font-size:34px}
  .post-title{font-size:30px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn-outline{display:none}
  .article-card{padding:26px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{padding:36px 28px}
}
@media screen and (max-width:639px){
  h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:18px}
  .grid-container{padding-left:16px;padding-right:16px}
  .cd-tip{display:none}
  .cd-sec{display:none}
  .cd-unit b{font-size:13px}
  .site-header{top:40px}
  .nav-row{min-height:60px}
  .brand{font-size:15px}
  .brand-text{max-width:150px;white-space:normal;line-height:1.25}
  .nav-actions .btn-primary{height:40px;padding:0 16px;font-size:14px}
  .post-head{padding:20px 0 26px}
  .post-title{font-size:26px}
  .crumbs .cur{max-width:100%;white-space:normal}
  .share-group{margin-left:0;width:100%}
  .post-body{padding:32px 0 48px}
  .article-card{padding:20px;border-radius:14px}
  .prose h2{font-size:21px;margin:32px 0 14px}
  .prose h3{font-size:18px}
  .post-nav{grid-template-columns:1fr}
  .faq-item summary{font-size:15.5px}
  .cta-band{border-radius:20px;padding:28px 20px}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .rec-thumb{width:64px;height:64px}
}

/* roulang page: category2 */
/* ============ 设计令牌 ============ */
:root{
  --c-primary:#143D34;
  --c-primary-deep:#0C2A24;
  --c-second:#7FD1B9;
  --c-accent:#F0A03C;
  --c-accent-dark:#D98A22;
  --c-bg:#FAF6EF;
  --c-bg-alt:#F3EDE2;
  --c-surface:#FFFFFF;
  --c-line:#E6DCCB;
  --c-ink:#1B2421;
  --c-muted:#63706B;
  --c-weak:#8B958F;
  --c-danger:#C0392B;
  --r-card:16px;
  --r-img:16px;
  --r-input:10px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(20,61,52,.06);
  --sh2:0 8px 24px rgba(20,61,52,.10);
  --sh3:0 18px 40px rgba(20,61,52,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --cd-h:44px;
  --nav-h:72px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --mono:ui-monospace,"DIN Alternate","SFMono-Regular",Menlo,monospace;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:140px;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden;}
h1,h2,h3,h4{font-family:var(--font);font-weight:700;line-height:1.3;color:var(--c-ink);margin:0;}
h1{font-size:44px;letter-spacing:-.4px;}
h2{font-size:32px;}
h3{font-size:21px;}
h4{font-size:18px;}
p{margin:0 0 1em;color:var(--c-muted);}
p:last-child{margin-bottom:0;}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
body a{color:var(--c-primary);text-decoration:none;transition:color .18s var(--ease);}
body a:hover{color:var(--c-accent-dark);}
body a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
  border-radius:4px;
}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;}
.grid-container.full{max-width:100%;padding-left:0;padding-right:0;}
::selection{background:var(--c-second);color:var(--c-primary-deep);}

/* ============ 顶部倒计时条 ============ */
.cd-bar{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--c-primary-deep);
  color:var(--c-bg);
  height:var(--cd-h);
  display:flex;
  align-items:center;
}
.cd-inner{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  display:flex;
  align-items:center;
  gap:16px;
}
.cd-label{
  font-size:12.5px;
  font-weight:600;
  letter-spacing:1px;
  color:var(--c-second);
  white-space:nowrap;
}
.cd-clock{display:flex;align-items:center;gap:6px;}
.cd-unit{
  display:flex;
  align-items:baseline;
  gap:4px;
}
.cd-num{
  font-family:var(--mono);
  font-size:15px;
  font-weight:700;
  color:var(--c-accent);
  background:rgba(240,160,60,.18);
  border-radius:6px;
  padding:2px 8px;
  min-width:38px;
  text-align:center;
  transition:opacity .2s var(--ease);
}
.cd-num.tick{opacity:.45;}
.cd-suffix{font-size:11.5px;color:rgba(250,246,239,.7);}
.cd-hint{
  flex:1;
  font-size:13.5px;
  color:rgba(250,246,239,.82);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.cd-btn{
  height:30px;
  padding:0 16px;
  border-radius:var(--r-pill);
  background:var(--c-accent);
  color:var(--c-primary-deep);
  font-size:13px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  white-space:nowrap;
  transition:transform .18s var(--ease),background .18s var(--ease);
}
.cd-btn:hover{background:var(--c-accent-dark);color:var(--c-primary-deep);transform:translateY(-1px);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:var(--cd-h);
  z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px);
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  box-shadow:var(--sh2);
  border-bottom-color:var(--c-line);
}
.nav-inner{
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  height:var(--nav-h);
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand-mark{
  width:42px;
  height:42px;
  border-radius:12px;
  background:var(--c-primary);
  color:var(--c-accent);
  font-family:var(--mono);
  font-weight:700;
  font-size:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  letter-spacing:.5px;
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:15.5px;font-weight:700;color:var(--c-primary);letter-spacing:.2px;}
.brand-text span{font-size:11.5px;color:var(--c-weak);letter-spacing:1.2px;}
.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  font-size:15.5px;
  font-weight:600;
  color:var(--c-ink);
  padding:8px 14px;
  border-radius:var(--r-pill);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  background:var(--c-accent);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-links a:hover{background:var(--c-bg-alt);color:var(--c-primary);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-primary);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15.5px;
  font-weight:600;
  cursor:pointer;
  border:1.5px solid transparent;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.btn-primary{background:var(--c-accent);color:#22160A;box-shadow:var(--sh1);}
.btn-primary:hover{background:var(--c-accent-dark);color:#22160A;transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-outline:hover{background:var(--c-primary);color:var(--c-bg);}
.btn-ghost{border-color:rgba(250,246,239,.6);color:var(--c-bg);background:transparent;}
.btn-ghost:hover{background:rgba(250,246,239,.14);color:#fff;border-color:var(--c-bg);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--c-primary);
  padding:4px 0;
}
.btn-text i{font-style:normal;transition:transform .18s var(--ease);}
.btn-text:hover i{transform:translateX(4px);}
.nav-actions .btn{height:44px;padding:0 22px;font-size:15px;}
.nav-actions .btn-primary{padding:0 24px;}
.hamburger{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  flex-shrink:0;
}
.hamburger span{
  display:block;
  width:20px;
  height:2px;
  background:var(--c-primary);
  border-radius:2px;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
body.drawer-open .hamburger span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.drawer-open .hamburger span:nth-child(2){opacity:0;}
body.drawer-open .hamburger span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(20,61,52,.45);
  z-index:65;
  opacity:0;
  visibility:hidden;
  transition:opacity .22s var(--ease),visibility .22s var(--ease);
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;
  right:-100%;
  width:86vw;
  max-width:360px;
  height:100%;
  background:var(--c-surface);
  z-index:70;
  display:flex;
  flex-direction:column;
  transition:right .26s var(--ease);
  box-shadow:var(--sh3);
}
body.drawer-open .mobile-drawer{right:0;}
.drawer-head{
  padding:18px 22px;
  border-bottom:1px solid var(--c-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.drawer-head b{font-size:15px;color:var(--c-primary);}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--c-muted);
}
.drawer-links{flex:1;overflow-y:auto;}
.drawer-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:56px;
  padding:0 22px;
  border-bottom:1px solid var(--c-line);
  font-size:16px;
  font-weight:600;
  color:var(--c-ink);
}
.drawer-links a.active{color:var(--c-primary);background:var(--c-bg-alt);}
.drawer-links a span{color:var(--c-weak);font-size:14px;}
.drawer-foot{
  padding:18px 22px 24px;
  border-top:1px solid var(--c-line);
  display:flex;
  flex-direction:column;
  gap:10px;
}
.drawer-foot .btn{width:100%;}

/* ============ Hero ============ */
.hero{
  background:linear-gradient(180deg,#FFFDF9 0%,var(--c-bg) 100%);
  padding:64px 0 72px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:320px;
  background-image:radial-gradient(rgba(20,61,52,.10) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.35;
  pointer-events:none;
}
.hero-grid{position:relative;display:flex;align-items:center;gap:48px;}
.hero-copy{flex:1 1 54%;min-width:0;}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--mono);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:1.4px;
  color:var(--c-primary);
  background:rgba(127,209,185,.28);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:18px;
}
.kicker::before{
  content:"";
  width:6px;height:6px;border-radius:50%;background:var(--c-accent);
}
.hero h1{font-size:44px;margin-bottom:16px;}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-sub{
  font-size:16.5px;
  color:var(--c-muted);
  max-width:560px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;}
.fact{
  font-size:13.5px;
  color:var(--c-primary);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  padding:6px 14px;
}
.hero-visual{flex:1 1 46%;min-width:0;position:relative;}
.img-box{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-img);
  background:var(--c-bg-alt);
}
.img-box img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease);}
.img-box.r-4x3{aspect-ratio:4/3;}
.img-box.r-16x9{aspect-ratio:16/9;}
.img-box.r-3x2{aspect-ratio:3/2;}
.img-box.r-1x1{aspect-ratio:1/1;}
.img-box.r-4x5{aspect-ratio:4/5;}
.hero-visual .img-box{
  border-radius:20px;
  box-shadow:var(--sh2);
}
.hero-visual .img-box::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(200deg,rgba(240,160,60,.14),rgba(20,61,52,.24));
}
.float-card{
  position:absolute;
  right:-14px;
  bottom:-24px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh2);
  padding:18px 22px;
  min-width:210px;
}
.float-card .fc-num{
  font-family:var(--mono);
  font-size:28px;
  font-weight:700;
  color:var(--c-primary);
  line-height:1.1;
}
.float-card .fc-num span{font-size:14px;color:var(--c-accent-dark);margin-left:4px;}
.float-card p{font-size:13.5px;margin:6px 0 0;color:var(--c-muted);}

/* ============ 面包屑 ============ */
.crumb-wrap{padding:18px 0 0;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--c-muted);
}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:var(--c-weak);}
.crumb .current{color:var(--c-ink);font-weight:600;}

/* ============ 通用板块 ============ */
.sec{padding:96px 0;}
.sec.alt{background:var(--c-bg-alt);}
.sec-head{margin-bottom:40px;max-width:820px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head.center .sec-title{padding-left:0;}
.sec-head.center .sec-title::before{display:none;}
.sec-label{
  font-family:var(--mono);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:1.6px;
  color:var(--c-accent-dark);
  text-transform:uppercase;
  display:block;
  margin-bottom:10px;
}
.sec-title{
  position:relative;
  font-size:32px;
  padding-left:16px;
  margin-bottom:12px;
}
.sec-title::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  width:4px;
  height:22px;
  border-radius:2px;
  background:var(--c-accent);
}
.sec-sub{font-size:15.5px;color:var(--c-muted);margin:0;}

/* ============ 目录 + 内容块 ============ */
.layout{display:flex;gap:40px;align-items:flex-start;}
.toc{
  flex:0 0 25%;
  max-width:270px;
  position:sticky;
  top:140px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh1);
  padding:22px;
}
.toc h3{
  font-size:15px;
  color:var(--c-primary);
  margin-bottom:14px;
  letter-spacing:.3px;
}
.toc ul{display:flex;flex-direction:column;gap:2px;}
.toc a{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  color:var(--c-muted);
  padding:9px 10px;
  border-radius:10px;
  line-height:1.5;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.toc a span{
  font-family:var(--mono);
  font-size:12px;
  color:var(--c-accent-dark);
  padding-top:2px;
  flex-shrink:0;
}
.toc a:hover{background:var(--c-bg-alt);color:var(--c-primary);}
.toc-note{
  margin-top:16px;
  padding-top:16px;
  border-top:1px dashed var(--c-line);
  font-size:13px;
  color:var(--c-weak);
  line-height:1.7;
}
.content-col{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:28px;}

.block{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh1);
  padding:28px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.block:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:var(--c-second);}
.block-head{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.num-badge{
  width:36px;height:36px;
  border-radius:50%;
  background:var(--c-primary);
  color:var(--c-accent);
  font-family:var(--mono);
  font-size:14px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.block h3{font-size:21px;line-height:1.4;}
.block .lede{font-size:15.5px;color:var(--c-muted);margin-bottom:16px;}
.block .img-box{margin-top:20px;}
.block-figure figcaption{
  font-size:13px;
  color:var(--c-weak);
  margin-top:10px;
  text-align:center;
}
.point-list{display:flex;flex-direction:column;gap:12px;margin-top:6px;}
.point-list li{
  display:flex;
  gap:12px;
  font-size:15px;
  color:var(--c-muted);
  line-height:1.75;
}
.point-list li b{color:var(--c-ink);font-weight:600;}
.point-list li::before{
  content:"";
  flex-shrink:0;
  width:6px;height:6px;
  margin-top:10px;
  border-radius:1px;
  background:var(--c-accent);
}

/* ============ 信息卡区 ============ */
.info-grid{display:flex;flex-wrap:wrap;gap:20px;}
.info-card{
  flex:1 1 calc(33.333% - 14px);
  min-width:240px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh1);
  padding:24px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:var(--c-second);}
.icon-sq{
  width:40px;height:40px;
  border-radius:10px;
  background:rgba(127,209,185,.32);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:14px;
  transition:background .2s var(--ease);
}
.info-card:hover .icon-sq{background:var(--c-second);}
.icon-sq svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.info-card .ic-label{font-size:13px;color:var(--c-weak);letter-spacing:.6px;margin-bottom:4px;}
.info-card .ic-value{font-size:17px;font-weight:700;color:var(--c-ink);line-height:1.5;margin-bottom:6px;}
.info-card p{font-size:14px;color:var(--c-muted);margin:0;}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";
  position:absolute;
  left:7px;
  top:8px;
  bottom:8px;
  width:2px;
  background:var(--c-line);
}
.tl-item{position:relative;padding-bottom:22px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-34px;
  top:20px;
  width:16px;height:16px;
  border-radius:50%;
  background:var(--c-accent);
  border:3px solid var(--c-bg);
  box-shadow:0 0 0 2px rgba(240,160,60,.28);
}
.tl-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh1);
  padding:22px 24px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:var(--c-second);}
.tl-card h3{font-size:18px;margin-bottom:8px;}
.tl-card p{font-size:15px;margin:0;}
.tl-meta{
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--c-accent-dark);
  letter-spacing:.6px;
  margin-bottom:6px;
}

/* ============ 权益清单 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:600;
}
.badge-soft{background:var(--c-second);color:var(--c-primary-deep);}
.badge-accent{background:var(--c-accent);color:#22160A;}
.benefit-list{display:flex;flex-direction:column;gap:14px;}
.benefit{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px 22px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.benefit:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:var(--c-second);}
.benefit .b-num{
  font-family:var(--mono);
  font-size:16px;
  font-weight:700;
  color:var(--c-accent-dark);
  flex-shrink:0;
  padding-top:2px;
}
.benefit h4{margin-bottom:6px;}
.benefit p{font-size:15px;margin:0;}

/* ============ FAQ ============ */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:12px;
  box-shadow:var(--sh1);
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item.open{border-color:var(--c-second);box-shadow:var(--sh2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 20px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--c-ink);
  position:relative;
}
.faq-item.open .faq-q{color:var(--c-primary);}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;top:10px;bottom:10px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--c-accent);
  opacity:0;
  transition:opacity .2s var(--ease);
}
.faq-item.open .faq-q::before{opacity:1;}
.faq-icon{
  font-size:20px;
  line-height:1;
  color:var(--c-accent);
  flex-shrink:0;
  transition:transform .2s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .24s var(--ease);
}
.faq-a-inner{
  padding:0 20px 18px 23px;
  font-size:15px;
  color:var(--c-muted);
  line-height:1.85;
}
.faq-a-inner p{margin:0;font-size:15px;}

/* ============ 登记表单 ============ */
.signup-wrap{
  background:var(--c-primary);
  border-radius:24px;
  padding:40px;
  color:var(--c-bg);
}
.signup-grid{display:flex;gap:40px;align-items:flex-start;}
.signup-copy{flex:1 1 42%;min-width:0;}
.signup-copy h2{color:#fff;font-size:30px;margin-bottom:12px;}
.signup-copy p{color:rgba(250,246,239,.8);font-size:15.5px;}
.signup-points{display:flex;flex-direction:column;gap:12px;margin-top:22px;}
.signup-points li{
  display:flex;gap:12px;
  color:rgba(250,246,239,.88);
  font-size:15px;
}
.signup-points li::before{
  content:"";
  width:14px;height:2px;border-radius:2px;
  background:var(--c-accent);
  margin-top:13px;
  flex-shrink:0;
}
.form-card{
  flex:1 1 58%;
  min-width:0;
  background:var(--c-surface);
  border-radius:var(--r-card);
  box-shadow:var(--sh3);
  padding:28px;
  margin-top:-24px;
}
.form-row{display:flex;gap:16px;flex-wrap:wrap;}
.field{flex:1 1 100%;margin-bottom:16px;}
.field.half{flex:1 1 calc(50% - 8px);min-width:200px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--c-ink);
  margin-bottom:7px;
}
.field label .req{color:var(--c-danger);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  border:1px solid var(--c-line);
  border-radius:var(--r-input);
  background:#fff;
  color:var(--c-ink);
  font-size:15px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{
  appearance:none;
  -webkit-appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--c-primary) 50%),linear-gradient(135deg,var(--c-primary) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
  padding-right:40px;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--c-accent);
  box-shadow:0 0 0 3px rgba(240,160,60,.18);
}
.check-row{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--c-muted);
  margin:4px 0 18px;
  line-height:1.7;
}
.check-row input[type="checkbox"]{
  appearance:none;
  -webkit-appearance:none;
  width:18px;height:18px;
  border:1.5px solid var(--c-line);
  border-radius:5px;
  margin:4px 0 0;
  flex-shrink:0;
  position:relative;
  cursor:pointer;
  transition:background .18s var(--ease),border-color .18s var(--ease);
}
.check-row input[type="checkbox"]:checked{
  background:var(--c-accent);
  border-color:var(--c-accent);
}
.check-row input[type="checkbox"]:checked::after{
  content:"";
  position:absolute;
  left:5px;top:1px;
  width:5px;height:10px;
  border:solid #22160A;
  border-width:0 2px 2px 0;
  transform:rotate(45deg);
}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
.form-foot .btn{width:220px;}
.form-result{font-size:14px;color:var(--c-muted);}

/* ============ CTA 条 ============ */
.cta-strip{
  background:var(--c-primary);
  border-radius:20px;
  padding:32px 36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.cta-strip h2{color:#fff;font-size:26px;margin-bottom:8px;}
.cta-strip p{color:rgba(250,246,239,.8);margin:0;font-size:15px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-primary-deep);
  color:rgba(250,246,239,.78);
  padding:64px 0 0;
  margin-top:96px;
}
.footer-grid{
  display:flex;
  flex-wrap:wrap;
  gap:32px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-col{flex:1 1 calc(25% - 24px);min-width:210px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(250,246,239,.1);color:var(--c-accent);}
.footer-brand strong{color:#fff;font-size:15.5px;letter-spacing:.2px;}
.site-footer p{color:rgba(250,246,239,.72);font-size:14px;margin:0 0 8px;line-height:1.8;}
.footer-note{color:rgba(240,160,60,.9);}
.site-footer h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  letter-spacing:.4px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(250,246,239,.78);font-size:14.5px;}
.footer-links a:hover{color:var(--c-accent);}
.top-btn{
  margin-top:18px;
  height:38px;
  padding:0 18px;
  border-radius:var(--r-pill);
  border:1.5px solid rgba(250,246,239,.4);
  color:rgba(250,246,239,.9);
  font-size:14px;
  font-weight:600;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.top-btn:hover{background:var(--c-accent);border-color:var(--c-accent);color:#22160A;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  padding:22px 0 26px;
  font-size:13.5px;
  color:rgba(250,246,239,.6);
}

/* ============ 响应式：平板 ============ */
@media screen and (max-width:1023px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  h3{font-size:19px;}
  .sec{padding:72px 0;}
  .nav-links{display:none;}
  .nav-actions .btn{display:none;}
  .hamburger{display:flex;margin-left:auto;}
  .nav-inner{gap:16px;}
  .hero{padding:48px 0 60px;}
  .hero h1{font-size:34px;}
  .hero-grid{flex-direction:column;gap:36px;}
  .hero-visual{width:100%;}
  .float-card{position:static;margin-top:16px;right:auto;bottom:auto;width:100%;display:flex;align-items:center;gap:14px;}
  .float-card p{margin:0;}
  .layout{flex-direction:column;gap:28px;}
  .toc{position:static;max-width:none;width:100%;}
  .signup-wrap{padding:32px;}
  .signup-grid{flex-direction:column;gap:26px;}
  .form-card{margin-top:0;width:100%;}
  .cta-strip{flex-direction:column;align-items:flex-start;}
  .sec-head{margin-bottom:32px;}
}

/* ============ 响应式：手机 ============ */
@media screen and (max-width:639px){
  :root{--cd-h:40px;--nav-h:60px;}
  body{font-size:15.5px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  h4{font-size:16px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .cd-inner{padding:0 16px;gap:10px;}
  .cd-hint{display:none;}
  .cd-unit.sec-unit{display:none;}
  .cd-num{font-size:14px;padding:2px 6px;min-width:34px;}
  .cd-btn{padding:0 12px;font-size:12.5px;}
  .nav-inner{padding:0 16px;gap:10px;}
  .brand-mark{width:38px;height:38px;font-size:14px;}
  .brand-text b{font-size:13.5px;}
  .brand-text span{font-size:10.5px;letter-spacing:.8px;}
  .hero{padding:36px 0 48px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-visual .img-box{aspect-ratio:auto;height:240px;}
  .sec{padding:56px 0;}
  .sec-title{font-size:24px;padding-left:14px;}
  .sec-title::before{height:18px;top:5px;}
  .block{padding:20px;}
  .info-card{flex:1 1 100%;padding:20px;}
  .timeline{padding-left:28px;}
  .tl-item::before{left:-28px;}
  .signup-wrap{padding:24px 18px;border-radius:18px;}
  .signup-copy h2{font-size:23px;}
  .form-card{padding:20px;}
  .field.half{flex:1 1 100%;}
  .form-foot{flex-direction:column;align-items:stretch;}
  .form-foot .btn{width:100%;}
  .cta-strip{padding:24px 20px;border-radius:16px;}
  .cta-strip h2{font-size:21px;}
  .cta-strip .btn{width:100%;}
  .footer-grid{gap:26px;}
  .footer-col{flex:1 1 100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .faq-q{font-size:15px;padding:14px 16px;}
  .faq-a-inner{padding:0 16px 16px 19px;}
}