/* roulang page: index */
:root{
  --ink:#0E0F12;
  --clay:#FF6A3D;
  --lime:#C9F73A;
  --paper:#F6F5F1;
  --card:#FFFFFF;
  --line:#E5E3DD;
  --muted:#6E7076;
  --ink-2:#22242A;
  --r-card:16px;
  --r-input:10px;
  --r-pill:999px;
  --e1:0 1px 2px rgba(14,15,18,.04);
  --e2:0 8px 24px -8px rgba(14,15,18,.10);
  --e3:0 24px 48px -16px rgba(14,15,18,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.22;letter-spacing:-.02em}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter)}
@media (min-width:1280px){.container{max-width:1280px}}
.section{padding:96px 0}
.section.tight{padding:72px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px;flex-wrap:wrap}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--clay);text-transform:uppercase}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--clay);display:block}
.sec-title{font-size:clamp(28px,3.4vw,40px);font-weight:800;letter-spacing:-.025em;margin-top:12px}
.sec-desc{max-width:58ch;color:var(--muted);font-size:16px;margin-top:14px}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;position:relative;padding-bottom:3px}
.text-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--ink);transform:scaleX(.32);transform-origin:left;transition:transform .24s var(--ease)}
.text-link:hover::after{transform:scaleX(1)}
.text-link i{transition:transform .24s var(--ease)}
.text-link:hover i{transform:translateX(4px)}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:120;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 8px 24px rgba(14,15,18,.05)}
.head-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:none;min-height:44px}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--ink);display:grid;place-items:center;color:var(--lime);flex:none}
.brand-text{font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:32px;margin-left:4px}
.main-nav a{position:relative;font-size:15px;font-weight:500;color:#2A2C31;padding:8px 0;transition:color .2s var(--ease);white-space:nowrap}
.main-nav a::after{content:"";position:absolute;left:0;bottom:2px;height:2px;width:100%;background:var(--clay);transform:scaleX(0);transform-origin:left;transition:transform .26s var(--ease)}
.main-nav a:hover{color:var(--ink)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--ink);font-weight:700}
.main-nav a.active::after{transform:scaleX(1)}
.head-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.head-search{display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:var(--r-pill);background:#F4F3F0;border:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.head-search:focus-within{border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,247,58,.35)}
.head-search i{color:var(--muted);font-size:13px}
.head-search input{border:0;background:transparent;outline:0;width:168px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;font-size:17px;background:#fff}

/* ============ buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:50px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1.5px solid transparent;transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);cursor:pointer;white-space:nowrap}
.btn .btn-arrow{transition:transform .22s var(--ease);font-size:13px}
.btn:hover .btn-arrow{transform:translateX(4px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--lime);color:var(--ink)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{background:var(--lime);color:var(--ink)}
.btn-light:hover{background:#fff;color:var(--ink)}
.btn-outline-light{border-color:rgba(255,255,255,.5);color:#fff;background:transparent}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ============ hero ============ */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;background:#0E0F12 url('/assets/images/backpic/back-1.png') center/cover no-repeat;color:#fff;overflow:hidden;padding:120px 0 96px}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,15,18,.93) 0%,rgba(14,15,18,.74) 46%,rgba(14,15,18,.44) 100%)}
.hero::after{content:"";position:absolute;inset:0;opacity:.05;background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);background-size:4px 4px}
.hero .container{position:relative;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:10px;height:34px;padding:0 16px;border-radius:var(--r-pill);background:rgba(201,247,58,.14);border:1px solid rgba(201,247,58,.45);color:var(--lime);font-size:13px;font-weight:600;letter-spacing:.04em}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(201,247,58,.55)}70%{box-shadow:0 0 0 10px rgba(201,247,58,0)}100%{box-shadow:0 0 0 0 rgba(201,247,58,0)}}
.hero h1{font-size:clamp(34px,5.6vw,68px);font-weight:800;line-height:1.06;letter-spacing:-.03em;margin:26px 0 0;max-width:19ch}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{font-size:clamp(16px,1.5vw,19px);color:rgba(255,255,255,.82);margin-top:22px;max-width:34ch}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 16px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);font-size:13.5px;color:rgba(255,255,255,.9)}
.hero-meta span i{color:var(--lime);font-size:12px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin-top:64px;padding-top:32px;border-top:1px solid rgba(255,255,255,.16);max-width:720px}
.hero-stats b{display:block;font-family:"Inter",system-ui,sans-serif;font-size:clamp(24px,2.6vw,32px);font-weight:800;letter-spacing:-.03em;color:#fff}
.hero-stats small{display:block;font-size:13.5px;color:rgba(255,255,255,.62);margin-top:4px}

/* ============ feature grid ============ */
.feature-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:start}
.fcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--e1);overflow:hidden;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.fcard:hover{transform:translateY(-4px);box-shadow:var(--e2)}
.fcard-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:#EDEBE6}
.fcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.fcard:hover .fcard-media img{transform:scale(1.03)}
.fcard-body{padding:26px 26px 28px}
.fcard-kicker{font-size:12.5px;font-weight:700;letter-spacing:.12em;color:var(--clay);text-transform:uppercase}
.fcard h3{font-size:22px;font-weight:700;margin-top:10px;letter-spacing:-.02em}
.fcard p{color:var(--muted);font-size:15.5px;margin-top:12px}
.fcard-list{margin-top:18px;display:grid;gap:9px}
.fcard-list li{display:flex;gap:10px;font-size:14.5px;color:#3A3C42;line-height:1.7}
.fcard-list li i{color:var(--clay);font-size:12px;margin-top:9px}
.fcard-side{display:grid;gap:24px}
.fcard-side .fcard:nth-child(2){transform:translateY(24px)}
.fcard-side .fcard:nth-child(2):hover{transform:translateY(20px)}

/* ============ timeline ============ */
.timeline-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:64px;align-items:start}
.timeline{position:relative;padding-left:40px}
.timeline::before{content:"";position:absolute;left:6px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,var(--lime) 0%,rgba(201,247,58,0) 100%);background-color:var(--line)}
.tl-item{position:relative;padding-bottom:40px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-42px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--lime);border:3px solid var(--ink);animation:pulse 2.4s infinite}
.tl-step{font-family:"Inter",system-ui,"PingFang SC",sans-serif;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--muted)}
.tl-title{font-size:20px;font-weight:700;margin-top:6px;letter-spacing:-.015em}
.tl-desc{color:var(--muted);font-size:15.5px;margin-top:8px;max-width:60ch}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:var(--lime);color:var(--ink);font-size:12.5px;font-weight:600;letter-spacing:.01em}
.tag-plain{background:#F0EEE9;color:var(--muted)}
.timeline-aside{position:sticky;top:104px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--e1)}
.timeline-aside h3{font-size:19px;font-weight:700}
.timeline-aside p{color:var(--muted);font-size:15px;margin-top:12px}
.aside-list{margin-top:22px;display:grid;gap:14px}
.aside-list li{display:flex;gap:12px;font-size:14.5px;color:#3A3C42;line-height:1.68}
.aside-list li b{font-family:"Inter",system-ui,sans-serif;color:var(--clay);font-weight:800;font-size:14px;min-width:22px}

/* ============ compare ============ */
.compare-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);box-shadow:var(--e1)}
.compare-table{min-width:760px;font-size:15px}
.compare-table th,.compare-table td{padding:18px 22px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
.compare-table thead th{background:#FBFBF9;font-size:15px;font-weight:700;color:var(--ink);position:sticky;top:0;z-index:2}
.compare-table tbody th{font-weight:600;color:#3A3C42;background:#FBFBF9;font-size:14.5px;width:170px}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table .is-rec{background:rgba(201,247,58,.16);box-shadow:inset 0 0 0 1.5px var(--lime);border-radius:0}
.rec-badge{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--r-pill);background:var(--ink);color:var(--lime);font-size:11.5px;font-weight:700;margin-left:8px;vertical-align:middle}
.mark-yes{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--lime);color:var(--ink);font-size:12px;font-weight:800}
.mark-no{color:#C6C4BE;font-weight:700}
.compare-caption{font-size:13px;color:var(--muted);margin-top:14px}

/* ============ dark band ============ */
.dark-band{background:var(--ink);color:#fff;border-radius:0}
.dark-band .sec-title{color:#fff}
.dark-band .sec-desc{color:rgba(255,255,255,.66)}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:#22242A;border:1px solid #22242A;border-radius:var(--r-card);overflow:hidden}
.stat-cell{background:var(--ink);padding:34px 28px}
.stat-cell b{display:block;font-family:"Inter",system-ui,sans-serif;font-size:clamp(30px,3.4vw,44px);font-weight:800;letter-spacing:-.03em;color:var(--lime);line-height:1}
.stat-cell span{display:block;margin-top:12px;font-size:15px;color:#fff;font-weight:600}
.stat-cell small{display:block;margin-top:6px;font-size:13.5px;color:rgba(255,255,255,.55);line-height:1.6}

/* ============ form / cta ============ */
.cta-panel{background:var(--ink);border-radius:24px;padding:64px;display:grid;grid-template-columns:.86fr 1.14fr;gap:64px;align-items:start;color:#fff;position:relative;overflow:hidden}
.cta-panel::after{content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(201,247,58,.22),rgba(201,247,58,0) 70%)}
.cta-panel h2{font-size:clamp(30px,3.6vw,44px);font-weight:800;letter-spacing:-.03em;line-height:1.12}
.cta-panel .lead{color:rgba(255,255,255,.7);font-size:16px;margin-top:18px}
.cta-points{margin-top:32px;display:grid;gap:14px}
.cta-points li{display:flex;gap:12px;font-size:15px;color:rgba(255,255,255,.85)}
.cta-points li i{color:var(--lime);font-size:13px;margin-top:7px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;position:relative;z-index:2}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:600;color:rgba(255,255,255,.78);letter-spacing:.02em}
.field input,.field select,.field textarea{height:52px;padding:0 16px;border-radius:var(--r-input);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:15px;outline:0;transition:border-color .2s,box-shadow .2s,background .2s}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,rgba(255,255,255,.6) 50%),linear-gradient(135deg,rgba(255,255,255,.6) 50%,transparent 50%);background-position:calc(100% - 22px) 23px,calc(100% - 16px) 23px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field textarea{height:110px;padding:14px 16px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.38)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--lime);box-shadow:0 0 0 4px rgba(201,247,58,.22);background:rgba(255,255,255,.09)}
.field select option{color:#111}
.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:4px}
.form-note{grid-column:1/-1;font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.7}

/* ============ news ============ */
.news-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:32px;align-items:start}
.news-main{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--e1);transition:transform .24s var(--ease),box-shadow .24s var(--ease);display:block}
.news-main:hover{transform:translateY(-4px);box-shadow:var(--e2)}
.news-main .thumb{aspect-ratio:16/9;overflow:hidden;background:#EDEBE6}
.news-main .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-main:hover .thumb img{transform:scale(1.03)}
.news-main .body{padding:28px}
.news-main h3{font-size:24px;font-weight:700;margin-top:14px;letter-spacing:-.02em}
.news-main p{color:var(--muted);font-size:15.5px;margin-top:12px}
.news-list{display:grid;gap:16px}
.news-item{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--e1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--e2);border-color:#D8D5CE}
.news-item h3{font-size:17.5px;font-weight:600;line-height:1.5;letter-spacing:-.01em;margin-top:8px}
.news-item .excerpt{color:var(--muted);font-size:14.5px;margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px;font-size:12.5px;color:var(--muted)}
.badge-cat{display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--r-pill);background:var(--lime);color:var(--ink);font-size:12.5px;font-weight:700}
.read-more{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--ink);margin-left:auto}
.read-more i{transition:transform .22s var(--ease);font-size:11px}
.news-item:hover .read-more i{transform:translateX(4px)}
.empty-state{border:1.5px dashed #D5D2CB;border-radius:var(--r-card);padding:64px 32px;text-align:center;background:#FCFBF9}
.empty-state i{font-size:30px;color:#C6C4BE}
.empty-state h3{font-size:19px;font-weight:700;margin-top:18px}
.empty-state p{color:var(--muted);font-size:14.5px;margin-top:10px}

/* ============ faq ============ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--e1);overflow:hidden;transition:border-color .24s var(--ease),box-shadow .24s var(--ease)}
.faq-item.open{border-color:#D8D5CE;box-shadow:var(--e2)}
.faq-q{display:flex;align-items:center;gap:18px;width:100%;text-align:left;padding:24px 26px;font-size:17px;font-weight:600;letter-spacing:-.01em;color:var(--ink);cursor:pointer}
.faq-q .qno{font-family:"Inter",system-ui,sans-serif;font-size:13px;font-weight:800;color:var(--clay);letter-spacing:.08em;flex:none}
.faq-q .qicon{margin-left:auto;width:28px;height:28px;border-radius:50%;background:#F4F3F0;display:grid;place-items:center;font-size:12px;color:var(--ink);flex:none;transition:transform .28s var(--ease),background .24s var(--ease)}
.faq-item.open .qicon{transform:rotate(90deg);background:var(--lime)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{padding:0 26px 26px 66px;color:var(--muted);font-size:15.5px;max-width:68ch;line-height:1.9}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:#C9CACD;padding:72px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px;border-bottom:1px solid var(--ink-2)}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff}
.foot-brand .brand-mark{background:var(--lime);color:var(--ink)}
.foot-brand span{font-size:16px;font-weight:700;letter-spacing:-.01em}
.foot-desc{margin-top:18px;font-size:14.5px;color:#8E9096;max-width:32ch;line-height:1.8}
.foot-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:20px}
.foot-col ul{display:grid;gap:12px}
.foot-col a{font-size:14.5px;color:#A8AAB0;transition:color .2s var(--ease)}
.foot-col a:hover{color:var(--lime)}
.foot-contact li{font-size:14.5px;color:#A8AAB0;display:flex;gap:10px;line-height:1.7}
.foot-contact li i{color:var(--clay);margin-top:7px;font-size:13px}
.qr-box{margin-top:20px;width:96px;height:96px;border-radius:12px;border:1px dashed #3A3C42;display:grid;place-items:center;color:#5A5C63;font-size:12px;text-align:center;line-height:1.5}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:26px 0;font-size:13px;color:#7C7E85}
.foot-bottom nav{display:flex;gap:22px;flex-wrap:wrap}
.foot-bottom nav a:hover{color:var(--lime)}

/* ============ drawer ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(14,15,18,.55);z-index:190;opacity:0;pointer-events:none;transition:opacity .28s var(--ease)}
.drawer-mask.open{opacity:1;pointer-events:auto}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);background:#fff;z-index:200;transform:translateX(102%);transition:transform .28s var(--ease);padding:26px;overflow-y:auto;box-shadow:-24px 0 48px -24px rgba(14,15,18,.35)}
.mobile-drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;font-size:16px}
.drawer-nav{display:grid;gap:6px}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:15px 16px;border-radius:12px;font-size:15.5px;font-weight:600;background:#F7F6F3;transition:background .2s}
.drawer-nav a.active{background:var(--ink);color:#fff}
.drawer-nav a i{font-size:12px;color:var(--muted)}
.drawer-nav a.active i{color:var(--lime)}
.drawer-cta{margin-top:24px;display:grid;gap:12px}
.drawer-search{display:flex;align-items:center;gap:8px;height:48px;padding:0 16px;border-radius:var(--r-pill);background:#F4F3F0;margin-bottom:20px}
.drawer-search input{border:0;background:transparent;outline:0;width:100%;font-size:14px}

/* ============ reveal ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============ responsive ============ */
@media (max-width:1279px){
  .main-nav{gap:24px}
  .head-search input{width:130px}
}
@media (max-width:1023px){
  :root{--gutter:16px}
  .main-nav{display:none}
  .head-search{display:none}
  .nav-toggle{display:flex}
  .head-inner{height:60px;gap:16px}
  .brand-text{font-size:15px}
  .section{padding:64px 0}
  .section.tight{padding:52px 0}
  .hero{min-height:60vh;padding:96px 0 64px;background-position:center}
  .hero h1{max-width:100%}
  .hero-stats{grid-template-columns:1fr 1fr;gap:24px;margin-top:44px}
  .feature-grid{grid-template-columns:1fr}
  .fcard-side{grid-template-columns:1fr 1fr}
  .fcard-side .fcard:nth-child(2){transform:none}
  .fcard-side .fcard:nth-child(2):hover{transform:translateY(-4px)}
  .timeline-wrap{grid-template-columns:1fr;gap:40px}
  .timeline-aside{position:static}
  .stat-grid{grid-template-columns:1fr 1fr}
  .cta-panel{grid-template-columns:1fr;gap:40px;padding:40px 28px;border-radius:20px}
  .news-layout{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
  .faq-a p{padding-left:26px}
}
@media (max-width:639px){
  .hero{padding:84px 0 56px}
  .hero h1{font-size:clamp(30px,8.6vw,40px);line-height:1.14}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-stats{grid-template-columns:1fr;gap:20px}
  .hero-stats b{font-size:26px}
  .fcard-side{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .sec-head{margin-bottom:32px}
  .faq-q{padding:20px 18px;font-size:16px;gap:12px}
  .faq-a p{padding:0 18px 22px 18px}
  .tl-dot{left:-40px}
  .timeline{padding-left:34px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --ink:#0E0F12;
  --ink-2:#22242A;
  --orange:#FF6A3D;
  --lime:#C9F73A;
  --bg:#F6F5F1;
  --card:#FFFFFF;
  --line:#E5E3DD;
  --muted:#6E7076;
  --radius:16px;
  --radius-sm:10px;
  --pill:999px;
  --e1:0 1px 2px rgba(14,15,18,.04);
  --e2:0 8px 24px -8px rgba(14,15,18,.10);
  --e3:0 24px 48px -16px rgba(14,15,18,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --mono:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius)}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1280px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px rgba(14,15,18,.05);
}
.head-inner{display:flex;align-items:center;gap:32px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:var(--ink);color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:32px;margin-right:auto}
.main-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink);
  padding:6px 0;transition:color .2s var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--lime);transition:width .24s var(--ease);
}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}
.main-nav a.active{font-weight:600}
.head-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.head-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border-radius:var(--pill);
  background:#F4F3F0;border:1px solid transparent;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.head-search i{font-size:13px;color:var(--muted)}
.head-search input{
  border:0;background:transparent;outline:none;width:180px;height:100%;
  font-size:14px;
}
.head-search:focus-within{border-color:var(--lime);background:#fff}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn i{transition:transform .22s var(--ease)}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--lime);color:var(--ink)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center;
}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;min-height:340px;display:flex;align-items:center;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,15,18,.93) 0%,rgba(14,15,18,.78) 52%,rgba(14,15,18,.52) 100%);
}
.cat-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--lime);margin-bottom:18px;
}
.hero-eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:inline-block}
.hero-title{
  font-size:clamp(34px,4.4vw,54px);font-weight:800;line-height:1.08;
  letter-spacing:-.03em;max-width:16em;
}
.hero-title span{display:block;font-size:clamp(18px,2vw,24px);font-weight:600;letter-spacing:-.01em;color:#D9DADF;margin-top:14px;line-height:1.5}
.hero-sub{margin-top:20px;font-size:17px;color:#C9CBD2;max-width:34em}
.stat-bar{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;margin-top:36px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);overflow:hidden;
  max-width:720px;
}
.stat-item{background:rgba(14,15,18,.42);padding:18px 22px}
.stat-num{font-family:var(--mono);font-size:26px;font-weight:700;letter-spacing:-.02em;color:#fff}
.stat-num em{font-style:normal;font-size:14px;font-weight:500;color:var(--lime);margin-left:4px}
.stat-label{font-size:13px;color:#A9ABB3;margin-top:2px}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-title{font-size:clamp(26px,3vw,38px);font-weight:700;letter-spacing:-.025em;line-height:1.18}
.sec-sub{margin-top:12px;color:var(--muted);font-size:16px;max-width:52ch}
.sec-link{font-size:15px;font-weight:600;color:var(--ink);border-bottom:2px solid var(--lime);padding-bottom:2px;transition:opacity .2s var(--ease)}
.sec-link:hover{opacity:.7}

/* ---------- layout 8/4 ---------- */
.page-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:40px;align-items:start}

/* ---------- feature block ---------- */
.feature-block{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--e1);margin-bottom:32px;
  transition:box-shadow .24s var(--ease),transform .24s var(--ease);
}
.feature-block:hover{box-shadow:var(--e2);transform:translateY(-4px)}
.feature-block img{width:100%;height:260px;object-fit:cover;border-radius:0}
.feature-body{padding:26px 28px 28px}
.feature-body h3{font-size:22px;font-weight:600;letter-spacing:-.02em;margin-bottom:10px}
.feature-body p{color:var(--muted);font-size:15.5px}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--pill);
  background:#EFEEE9;color:#4C4E55;font-size:12.5px;font-weight:500;
}
.tag-lime{background:var(--lime);color:var(--ink);font-weight:600}
.tag-orange{background:rgba(255,106,61,.14);color:#C13A12;font-weight:600}

/* ---------- entry list ---------- */
.entry-list{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--e1);overflow:hidden}
.entry-item{
  display:flex;gap:22px;padding:26px 28px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.entry-item:last-child{border-bottom:0}
.entry-item:hover{background:#FBFAF7}
.entry-num{
  flex:0 0 auto;font-family:var(--mono);font-size:15px;font-weight:700;
  color:var(--ink);width:44px;height:44px;border-radius:12px;
  background:#F4F3F0;display:flex;align-items:center;justify-content:center;
}
.entry-item:hover .entry-num{background:var(--lime)}
.entry-body{min-width:0}
.entry-title{font-size:19px;font-weight:600;letter-spacing:-.015em;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.entry-desc{color:var(--muted);font-size:15px;margin-top:8px}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:14px;font-size:12.5px;color:#8A8C93;font-family:var(--mono)}
.entry-meta .dot{width:4px;height:4px;border-radius:50%;background:#C9CBD2;display:inline-block}

/* ---------- notice ---------- */
.notice{
  margin-top:28px;background:#FFF9F6;border-left:4px solid var(--orange);
  border-radius:0 var(--radius) var(--radius) 0;padding:20px 24px;
}
.notice strong{display:block;font-size:16px;margin-bottom:6px}
.notice p{color:var(--muted);font-size:14.5px}

/* ---------- sidebar ---------- */
.side-stack{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--e1);padding:24px}
.side-card h4{font-size:16px;font-weight:700;letter-spacing:-.01em;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-card h4 i{color:var(--orange);font-size:13px}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:12px;font-size:14.5px;font-weight:500;color:#3A3C42;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.side-nav a:hover{background:#F4F3F0;color:var(--ink)}
.side-nav a.is-current{background:var(--ink);color:#fff}
.side-nav a i{font-size:11px;opacity:.6}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--pill);
  background:#F4F3F0;font-size:13px;color:#4C4E55;transition:background .2s var(--ease),color .2s var(--ease);
}
.tag-cloud a:hover{background:var(--lime);color:var(--ink)}
.side-cta{background:var(--ink);color:#fff;border-color:var(--ink)}
.side-cta h4{color:#fff}
.side-cta h4 i{color:var(--lime)}
.side-cta p{color:#A9ABB3;font-size:14px;margin-bottom:18px}
.side-cta .btn{width:100%;height:46px}
.side-cta .btn-primary{background:var(--lime);color:var(--ink)}
.side-cta .btn-primary:hover{background:#fff;color:var(--ink)}

/* ---------- steps rail ---------- */
.steps-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--e1);padding:12px 32px}
.step-row{display:grid;grid-template-columns:120px 1fr;gap:28px;padding:28px 0;border-bottom:1px solid var(--line);position:relative}
.step-row:last-child{border-bottom:0}
.step-time{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--orange);letter-spacing:.04em}
.step-body h3{font-size:19px;font-weight:600;letter-spacing:-.015em}
.step-body p{color:var(--muted);font-size:15px;margin-top:8px;max-width:62ch}

/* ---------- faq ---------- */
.faq{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;
  padding:24px 4px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:18px;font-weight:600;letter-spacing:-.015em;transition:color .2s var(--ease);
}
.faq-q:hover{color:#3A3C42}
.faq-q .q-idx{font-family:var(--mono);font-size:13px;color:var(--orange);margin-right:12px;font-weight:700}
.faq-q .q-ico{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;border:1.5px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);
}
.faq-item.open .q-ico{transform:rotate(90deg);background:var(--lime);border-color:var(--lime)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{color:var(--muted);font-size:15.5px;max-width:68ch;padding:0 4px 26px}

/* ---------- dark CTA ---------- */
.band-dark{background:var(--ink);color:#fff;padding:96px 0}
.band-dark .sec-title{color:#fff}
.band-dark .sec-sub{color:#A9ABB3}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:56px;align-items:start}
.signup-form{background:rgba(255,255,255,.04);border:1px solid var(--ink-2);border-radius:var(--radius);padding:28px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;letter-spacing:.01em;margin-bottom:8px;color:#D9DADF}
.field input,.field textarea{
  width:100%;height:52px;padding:0 16px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);border:1px solid #34363D;color:#fff;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{height:112px;padding:14px 16px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#7C7E86}
.field input:focus,.field textarea:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,247,58,.18);background:rgba(255,255,255,.07)}
.form-note{font-size:12.5px;color:#7C7E86;margin-top:14px;line-height:1.7}
.band-dark .btn-primary{background:var(--lime);color:var(--ink)}
.band-dark .btn-primary:hover{background:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C9CBD2;padding:72px 0 0;border-top:1px solid var(--ink-2)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700;letter-spacing:-.01em}
.foot-brand .brand-mark{background:var(--lime);color:var(--ink)}
.foot-desc{font-size:14px;color:#8A8C93;margin-top:14px;max-width:26ch}
.qr-box{
  margin-top:18px;width:96px;height:96px;border:1px dashed #34363D;border-radius:12px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.5;color:#7C7E86;
}
.foot-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.foot-col ul li{margin-bottom:10px}
.foot-col a{font-size:14px;color:#A9ABB3;transition:color .2s var(--ease)}
.foot-col a:hover{color:var(--lime)}
.foot-contact li{display:flex;gap:10px;font-size:14px;color:#A9ABB3;margin-bottom:12px}
.foot-contact i{color:var(--lime);margin-top:6px;font-size:12px}
.foot-bottom{
  border-top:1px solid var(--ink-2);padding:24px 0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:#7C7E86;
}
.foot-bottom nav{display:flex;flex-wrap:wrap;gap:20px}
.foot-bottom nav a{color:#8A8C93}
.foot-bottom nav a:hover{color:var(--lime)}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .section{padding:80px 0}
}
@media (max-width:1023px){
  .head-inner{height:60px;gap:16px}
  .brand-text{font-size:15px}
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:280px;
    background:#fff;flex-direction:column;align-items:flex-start;gap:6px;
    padding:88px 24px 24px;margin:0;z-index:60;
    box-shadow:-16px 0 48px -24px rgba(14,15,18,.35);
    transform:translateX(105%);transition:transform .28s var(--ease);
  }
  .main-nav.open{transform:translateX(0)}
  .main-nav a{width:100%;font-size:16px;padding:12px 0}
  .head-search{display:none}
  .nav-toggle{display:flex}
  .page-grid{grid-template-columns:1fr;gap:32px}
  .side-stack{position:static}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .band-dark{padding:72px 0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .stat-bar{grid-template-columns:1fr;max-width:100%}
  .step-row{grid-template-columns:1fr;gap:10px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .cat-hero{min-height:300px}
  .cat-hero .container{padding-top:40px;padding-bottom:40px}
  .entry-item{padding:20px;gap:16px}
  .entry-num{width:38px;height:38px;font-size:14px;border-radius:10px}
  .steps-wrap{padding:8px 20px}
  .feature-body{padding:20px}
  .feature-block img{height:200px}
  .faq-q{font-size:16px;padding:20px 2px}
  .band-dark{padding:56px 0}
  .signup-form{padding:20px}
  .foot-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .hero-title{font-size:30px}
  .hero-sub{font-size:15px}
  .btn{width:100%}
  .head-tools .btn-sm{width:auto}
  .stat-item{padding:14px 16px}
  .stat-num{font-size:22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --ink:#0E0F12;
  --ink-2:#22242A;
  --ink-3:#3A3C42;
  --orange:#FF6A3D;
  --lime:#C9F73A;
  --paper:#F6F5F1;
  --card:#FFFFFF;
  --line:#E5E3DD;
  --muted:#6E7076;
  --soft:#F4F3F0;
  --r-lg:16px;
  --r-pill:999px;
  --r-input:10px;
  --e1:0 1px 2px rgba(14,15,18,.04);
  --e2:0 8px 24px -8px rgba(14,15,18,.10);
  --e3:0 24px 48px -16px rgba(14,15,18,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6{font-family:inherit;margin:0;padding:0;color:var(--ink);font-weight:700;line-height:1.25;letter-spacing:-.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease),opacity .2s var(--ease)}
img{max-width:100%;display:block;border:0}
button,input,textarea,select{font:inherit;color:inherit;margin:0}
button{cursor:pointer;background:none;border:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1280px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px rgba(14,15,18,.05);
}
.head-inner{display:flex;align-items:center;gap:32px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:32px;margin-left:8px}
.main-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-3);
  padding:6px 0;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--lime);
  transition:width .24s var(--ease);
}
.main-nav a:hover{color:var(--ink)}
.main-nav a:hover::after{width:100%}
.main-nav a.active{color:var(--ink);font-weight:600}
.main-nav a.active::after{width:100%;background:var(--ink)}
.head-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.head-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  background:var(--soft);border-radius:var(--r-pill);border:1px solid transparent;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.head-search:focus-within{border-color:var(--lime);background:#fff}
.head-search i{color:var(--muted);font-size:13px}
.head-search input{
  border:0;background:transparent;outline:none;width:180px;font-size:14px;
}
.head-search input::placeholder{color:#9A9CA1}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;background:var(--soft);
  align-items:center;justify-content:center;font-size:17px;
}
.nav-toggle:hover{background:#ECEBE7}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;border:1.5px solid transparent;
  transition:all .22s var(--ease);white-space:nowrap;
}
.btn i{transition:transform .22s var(--ease)}
.btn:hover i{transform:translateX(4px)}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-primary:hover{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-lime{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-lime:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:54px;padding:0 30px;font-size:16px}
.link-more{
  font-size:14px;font-weight:600;border-bottom:1.5px solid var(--lime);padding-bottom:2px;
}
.link-more:hover{border-color:var(--ink)}

/* ---------- Badges & tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--r-pill);background:var(--lime);color:var(--ink);
  font-size:12.5px;font-weight:600;line-height:1;
}
.badge-soft{background:var(--soft);color:var(--ink-3)}
.badge-orange{background:rgba(255,106,61,.14);color:#B23A14}

/* ---------- Article head ---------- */
.article-head{padding:40px 0 0;background:var(--paper)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:26px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--ink)}
.crumbs .sep{color:#C6C4BD}
.crumbs .cur{color:var(--ink-3);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{font-size:clamp(30px,4vw,44px);font-weight:800;letter-spacing:-.03em;line-height:1.16;max-width:22ch}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:22px;font-size:13.5px;color:var(--muted)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6C4BD}
.article-lead{
  margin-top:24px;max-width:760px;font-size:17px;line-height:1.9;color:var(--ink-3);
  border-left:3px solid var(--lime);padding-left:18px;
}

/* ---------- Article layout ---------- */
.article-main{padding:48px 0 96px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:64px;align-items:start}
.article-body{max-width:760px}
.cover-figure{margin:0 0 40px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--e2)}
.cover-figure img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.cover-figure figcaption{font-size:13px;color:var(--muted);padding:12px 4px 0;line-height:1.7}

.prose{font-size:17px;line-height:1.9;color:var(--ink-3);word-break:break-word}
.prose > *:first-child{margin-top:0}
.prose p{margin:0 0 1.2em}
.prose h2{
  position:relative;font-size:26px;font-weight:700;line-height:1.4;color:var(--ink);
  letter-spacing:-.02em;margin:2.2em 0 .9em;padding:1.3em 0 0 18px;border-top:1px solid var(--line);
}
.prose h2::before{
  content:"";position:absolute;left:0;top:calc(1.3em + 8px);width:3px;height:20px;
  background:var(--lime);border-radius:2px;
}
.prose h3{font-size:20px;font-weight:600;color:var(--ink);margin:1.8em 0 .7em;letter-spacing:-.01em}
.prose h4{font-size:17px;font-weight:600;color:var(--ink);margin:1.5em 0 .6em}
.prose ul,.prose ol{margin:0 0 1.4em;padding-left:0}
.prose ul li{position:relative;padding-left:24px;margin-bottom:.55em}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:.78em;width:8px;height:8px;border-radius:2px;background:var(--lime);
}
.prose ol{counter-reset:li;padding-left:0}
.prose ol li{position:relative;padding-left:34px;margin-bottom:.6em;counter-increment:li}
.prose ol li::before{
  content:counter(li);position:absolute;left:0;top:.28em;width:22px;height:22px;border-radius:50%;
  background:var(--ink);color:var(--lime);font-family:var(--num);font-size:12px;font-weight:600;
  display:flex;align-items:center;justify-content:center;
}
.prose blockquote{
  margin:1.6em 0;padding:20px 24px;border-left:3px solid var(--orange);
  background:#fff;border-radius:0 12px 12px 0;color:var(--ink-3);box-shadow:var(--e1);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:12px;margin:1.6em 0;width:100%;height:auto}
.prose a{color:var(--ink);font-weight:600;border-bottom:1.5px solid var(--lime)}
.prose a:hover{border-color:var(--orange)}
.prose strong{color:var(--ink);font-weight:600}
.prose code{
  background:#F1F0EC;padding:2px 7px;border-radius:6px;font-size:.9em;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#8A2B0D;
}
.prose pre{
  background:var(--ink);color:#EDEDEA;padding:20px 22px;border-radius:12px;overflow-x:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.7;margin:1.6em 0;
}
.prose pre code{background:none;color:inherit;padding:0}
.prose table{width:100%;border-collapse:collapse;margin:1.7em 0;font-size:15px;background:#fff;border-radius:12px;overflow:hidden}
.prose th,.prose td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
.prose th{background:var(--soft);font-weight:600;color:var(--ink);font-size:14px}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}

/* ---------- Aside / TOC ---------- */
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.toc-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--e1)}
.toc-card h3{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:14px}
.toc-card ol{position:relative;padding-left:0}
.toc-card li{margin-bottom:10px}
.toc-card a{font-size:14px;color:var(--ink-3);line-height:1.6;display:block;padding-left:14px;position:relative}
.toc-card a::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:2px;background:var(--line);
  transition:background-color .2s var(--ease);
}
.toc-card a:hover{color:var(--ink)}
.toc-card a:hover::before{background:var(--lime)}
.toc-card a.is-current{color:var(--ink);font-weight:600}
.toc-card a.is-current::before{background:var(--lime)}
.aside-card{
  background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:24px;
}
.aside-card h3{color:#fff;font-size:17px;margin-bottom:10px}
.aside-card p{font-size:14px;color:#B9BAC0;line-height:1.8;margin-bottom:16px}

/* ---------- Tag row ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:48px;padding-top:28px;border-top:1px solid var(--line);
}
.tag-label{font-size:13px;color:var(--muted);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--ink-3);
  transition:all .2s var(--ease);
}
.tag:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px)}

/* ---------- Notice ---------- */
.notice{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--orange);
  border-radius:0 12px 12px 0;padding:20px 24px;margin-top:44px;box-shadow:var(--e1);
}
.notice i{color:var(--orange);font-size:18px;margin-top:4px}
.notice strong{display:block;font-size:15px;margin-bottom:4px;color:var(--ink)}
.notice p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- Empty state ---------- */
.empty-state{
  background:#fff;border:1px dashed #D6D4CD;border-radius:var(--r-lg);
  padding:64px 32px;text-align:center;
}
.empty-state i{font-size:26px;color:var(--muted);margin-bottom:16px;display:block}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:24px}

/* ---------- Related ---------- */
.rel{padding:96px 0;background:#fff;border-top:1px solid var(--line)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;letter-spacing:-.02em}
.sec-head .sec-sub{font-size:14.5px;color:var(--muted)}
.rel-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:stretch}
.rel-main{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:all .24s var(--ease);
}
.rel-main:hover{box-shadow:var(--e2);transform:translateY(-4px);border-color:#D8D6CF}
.rel-main img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.rel-main:hover img{transform:scale(1.03)}
.rel-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.rel-body h3{font-size:20px;font-weight:600;line-height:1.45}
.rel-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
.rel-arrow{margin-top:auto;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:8px}
.rel-main:hover .rel-arrow i{transform:translateX(4px)}
.rel-arrow i{transition:transform .22s var(--ease)}
.rel-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.rel-mini{
  display:flex;gap:16px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;transition:all .24s var(--ease);align-items:center;
}
.rel-mini:hover{box-shadow:var(--e2);transform:translateY(-4px);border-color:#D8D6CF}
.rel-mini img{width:88px;height:88px;object-fit:cover;border-radius:12px;flex:0 0 auto}
.rel-mini h3{font-size:16.5px;font-weight:600;line-height:1.5;margin-bottom:6px}
.rel-mini p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:#fff;padding:96px 0;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,247,58,.16),transparent 68%);
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;position:relative;z-index:2}
.cta-grid h2{color:#fff;font-size:clamp(26px,3vw,38px);font-weight:800;letter-spacing:-.03em;line-height:1.2;margin-bottom:16px}
.cta-grid > div > p{color:#B9BAC0;font-size:16px;line-height:1.85;max-width:52ch}
.cta-list{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:#D5D6DA}
.cta-list i{color:var(--lime);margin-top:5px;font-size:13px}
.cta-form{background:#17181C;border:1px solid #26282E;border-radius:var(--r-lg);padding:32px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:#C8C9CE;margin-bottom:8px;letter-spacing:.01em}
.field input,.field textarea,.field select{
  width:100%;height:52px;padding:0 16px;background:#0E0F12;border:1px solid #2E3037;
  border-radius:var(--r-input);color:#fff;font-size:15px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:110px;padding:14px 16px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#61636A}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,247,58,.18);
}
.cta-form .btn{width:100%}
.tiny{font-size:12.5px;color:#7C7E85;margin-top:14px;line-height:1.7}

/* ---------- Back row ---------- */
.back-row{padding:56px 0;background:var(--paper)}
.back-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#B9BAC0;padding:80px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700;margin-bottom:16px}
.foot-brand .brand-mark{background:#1B1C21;color:var(--lime)}
.foot-desc{font-size:14px;line-height:1.8;color:#8E9097;max-width:26ch}
.qr-box{
  margin-top:22px;width:96px;height:96px;border-radius:12px;border:1px dashed #34363D;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:#7C7E85;line-height:1.6;letter-spacing:.02em;
}
.foot-col h4{color:#fff;font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:18px}
.foot-col ul li{margin-bottom:12px}
.foot-col a{font-size:14px;color:#9EA0A7}
.foot-col a:hover{color:var(--lime)}
.foot-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#9EA0A7}
.foot-contact i{color:var(--orange);margin-top:5px;font-size:13px}
.foot-bottom{
  border-top:1px solid var(--ink-2);padding:24px 0;display:flex;flex-wrap:wrap;gap:16px;
  align-items:center;justify-content:space-between;font-size:13px;color:#7C7E85;
}
.foot-bottom nav{display:flex;flex-wrap:wrap;gap:20px}
.foot-bottom a{color:#7C7E85}
.foot-bottom a:hover{color:var(--lime)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .article-grid{grid-template-columns:minmax(0,1fr) 200px;gap:44px}
}
@media (max-width:1023px){
  .head-inner{height:64px;gap:16px}
  .main-nav{
    position:fixed;top:64px;right:0;bottom:0;width:280px;background:#fff;
    flex-direction:column;align-items:flex-start;gap:4px;padding:24px 20px;
    box-shadow:var(--e3);transform:translateX(100%);transition:transform .28s var(--ease);
    margin-left:0;overflow-y:auto;z-index:70;
  }
  .main-nav a{width:100%;padding:14px 4px;font-size:15px;border-bottom:1px solid var(--line)}
  .main-nav a::after{display:none}
  .main-nav a.active{color:var(--ink)}
  .main-nav.is-open{transform:translateX(0)}
  .head-search{display:none}
  .nav-toggle{display:flex}
  .article-grid{grid-template-columns:1fr;gap:40px}
  .article-aside{position:static;order:-1}
  .toc-card{display:none}
  .rel-grid{grid-template-columns:1fr}
  .rel-side{grid-template-rows:none;grid-template-columns:1fr 1fr}
  .cta-grid{grid-template-columns:1fr;gap:40px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .brand-text{font-size:15px}
  .article-head{padding-top:28px}
  .article-title{font-size:clamp(26px,7vw,34px);letter-spacing:-.02em}
  .article-main{padding:32px 0 64px}
  .article-lead{font-size:16px}
  .prose{font-size:16.5px;line-height:1.88}
  .prose h2{font-size:22px}
  .prose h3{font-size:18px}
  .rel{padding:64px 0}
  .rel-side{grid-template-columns:1fr}
  .rel-mini img{width:72px;height:72px}
  .cta-band{padding:64px 0}
  .cta-form{padding:24px}
  .site-footer{padding-top:56px}
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .head-inner{height:60px}
  .brand-mark{width:30px;height:30px}
  .btn-sm{height:38px;padding:0 14px;font-size:13px}
  .tag-row{margin-top:36px;padding-top:22px}
  .notice{flex-direction:column;gap:10px}
  .back-inner{flex-direction:column;align-items:stretch}
  .back-inner .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#0E0F12;
  --ink-soft:#22242A;
  --paper:#F6F5F1;
  --card:#FFFFFF;
  --line:#E5E3DD;
  --muted:#6E7076;
  --text:#33353A;
  --accent:#C9F73A;
  --clay:#FF6A3D;
  --clay-deep:#C24A22;
  --r-lg:16px;
  --r-md:10px;
  --r-sm:8px;
  --r-pill:999px;
  --e1:0 1px 2px rgba(14,15,18,.04);
  --e2:0 8px 24px -8px rgba(14,15,18,.10);
  --e3:0 24px 48px -16px rgba(14,15,18,.18);
  --maxw:1200px;
  --tr:220ms cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:0;
  color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.2;letter-spacing:-.02em}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px}
table{border-collapse:collapse;border-spacing:0;margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px rgba(14,15,18,.05);
}
.head-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;color:var(--ink)}
.brand-mark{
  display:grid;place-items:center;width:34px;height:34px;flex:none;
  border-radius:10px;background:var(--ink);color:var(--accent);
  transition:background var(--tr),color var(--tr);
}
.brand:hover .brand-mark{background:var(--ink-soft)}
.main-nav{display:flex;align-items:center;gap:32px;margin-left:auto}
.main-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:6px 0;transition:color var(--tr);white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--accent);transition:width var(--tr);
}
.main-nav a:hover,.main-nav a.active{color:var(--ink)}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}
.head-tools{display:flex;align-items:center;gap:12px;margin-left:32px}
.head-search{position:relative;display:flex;align-items:center}
.head-search i{position:absolute;left:14px;color:var(--muted);font-size:13px;pointer-events:none}
.head-search input{
  height:40px;width:230px;margin:0;padding:0 16px 0 36px;
  border-radius:var(--r-pill);border:1px solid transparent;background:#F4F3F0;
  font-size:14px;color:var(--ink);box-shadow:none;transition:all var(--tr);
}
.head-search input::placeholder{color:#9A9CA3}
.head-search input:focus{outline:none;border-color:var(--ink);background:#fff;box-shadow:0 0 0 3px rgba(201,247,58,.4)}
.nav-toggle{
  display:none;width:40px;height:40px;padding:0;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--ink);
  position:relative;z-index:80;transition:all var(--tr);
}
.nav-toggle:hover{border-color:var(--ink)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  border:1.5px solid transparent;font-size:15px;font-weight:600;
  letter-spacing:0;transition:all var(--tr);white-space:nowrap;background:transparent;
}
.btn i{transition:transform var(--tr)}
.btn:hover i{transform:translateX(4px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:54px;padding:0 30px;font-size:16px}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-primary:hover{background:var(--accent);color:var(--ink);border-color:var(--accent)}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-accent{background:var(--accent);color:var(--ink);border-color:var(--accent)}
.btn-accent:hover{background:#fff;border-color:#fff;color:var(--ink)}
.btn-block{width:100%}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-family:"Inter",system-ui,sans-serif;font-size:12px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted);
}
.section-title{font-size:clamp(28px,3.3vw,40px);font-weight:700;margin-top:12px;line-height:1.15}
.section-desc{font-size:16px;color:var(--muted);margin-top:16px;max-width:66ch}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--ink);padding-bottom:2px;transition:color var(--tr),border-color var(--tr)}
.link-arrow:hover{color:var(--clay-deep);border-color:var(--clay-deep)}
.link-arrow i{transition:transform var(--tr)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- 顶部强排版标题区 ---------- */
.c2-head{background:#fff;padding:88px 0 72px;border-bottom:1px solid var(--line)}
.c2-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;
  border-radius:var(--r-pill);background:var(--accent);color:var(--ink);
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
}
.c2-title{
  font-size:clamp(38px,5.6vw,68px);font-weight:800;letter-spacing:-.03em;
  line-height:1.06;margin-top:26px;max-width:20ch;
}
.c2-sub{font-size:clamp(17px,1.6vw,20px);color:var(--text);margin-top:20px;max-width:56ch}
.c2-lead{font-size:16px;color:var(--muted);margin-top:14px;max-width:62ch}
.c2-rule{height:1px;background:var(--line);margin-top:44px}
.chapter-index{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin:0}
.chapter-index a{
  display:block;padding:26px 28px 26px 0;border-right:1px solid var(--line);
  transition:background var(--tr),padding-left var(--tr);
}
.chapter-index a:last-child{border-right:none}
.chapter-index a:hover{background:#FAF9F6;padding-left:16px;padding-right:12px}
.chapter-num{font-family:"Inter",system-ui,monospace;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--muted)}
.chapter-name{display:block;font-size:19px;font-weight:600;margin-top:8px;letter-spacing:-.01em}
.chapter-note{display:block;font-size:13.5px;color:var(--muted);margin-top:6px;line-height:1.7}
.stat-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;margin-top:44px;
}
.stat{background:var(--card);padding:26px 28px}
.stat-num{font-family:"Inter",system-ui,sans-serif;font-size:34px;font-weight:800;letter-spacing:-.03em;line-height:1}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:8px}

/* ---------- 错位卡片 ---------- */
.stagger{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;margin-left:0;margin-right:0}
.stagger>.cell{width:auto;padding:0;margin:0;min-width:0}
.stagger .cell:nth-child(odd){margin-top:32px}
.scard{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--e1);overflow:hidden;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.scard:hover{transform:translateY(-4px);box-shadow:var(--e2);border-color:#D8D5CC}
.scard-media{aspect-ratio:16/10;overflow:hidden;background:#EDEBE5}
.scard-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.22,.61,.36,1)}
.scard:hover .scard-media img{transform:scale(1.03)}
.scard-body{display:flex;flex-direction:column;flex:1;gap:12px;padding:26px}
.scard h3{font-size:21px;font-weight:600;letter-spacing:-.01em}
.scard p{font-size:15px;color:var(--muted);line-height:1.8}
.scard-meta{
  display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:16px;
  border-top:1px dashed var(--line);font-size:12.5px;color:var(--muted);
}
.badge{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-pill);
  background:var(--accent);color:var(--ink);font-size:12.5px;font-weight:600;white-space:nowrap;
}
.badge-soft{background:rgba(255,106,61,.14);color:var(--clay-deep)}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--muted)}
.scard-meta .link-arrow{margin-left:auto;border-bottom:none;padding-bottom:0}
.scard-meta .link-arrow i{transition:transform var(--tr)}
.scard:hover .scard-meta .link-arrow i{transform:translateX(4px)}

/* ---------- 对照表 ---------- */
.table-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--e1);overflow-x:auto;-webkit-overflow-scrolling:touch;
}
table.cmp{width:100%;min-width:780px;font-size:15px;background:#fff}
.cmp thead th{
  background:var(--ink);color:#fff;text-align:left;font-size:13px;font-weight:600;
  letter-spacing:.08em;padding:16px 22px;white-space:nowrap;
}
.cmp tbody td{padding:20px 22px;border-top:1px solid var(--line);color:var(--text);vertical-align:top;line-height:1.75}
.cmp tbody tr{transition:background var(--tr)}
.cmp tbody tr:hover{background:#FAF9F6}
.cmp td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
.cmp td:nth-child(2){color:var(--ink)}
.cmp .note{color:var(--muted)}
.table-tip{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);margin-top:18px;line-height:1.7}
.table-tip i{color:var(--clay);margin-top:4px;flex:none}

/* ---------- 自查清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 28px;margin-left:0;margin-right:0}
.check-grid>.cell{width:auto;padding:0;margin:0;min-width:0}
.check-item{
  display:flex;gap:14px;height:100%;padding:20px 22px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-md);
  font-size:15px;color:var(--text);line-height:1.8;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--e2);border-color:#D8D5CC}
.check-item strong{display:block;color:var(--ink);font-weight:600;font-size:15.5px;letter-spacing:-.01em}
.check-icon{
  flex:none;display:grid;place-items:center;width:24px;height:24px;margin-top:6px;
  border-radius:50%;background:var(--accent);color:var(--ink);font-size:11px;
}
.notice{
  display:flex;gap:16px;margin-top:36px;padding:24px 26px;
  background:#EFEEE9;border-left:4px solid var(--accent);
  border-radius:0 var(--r-md) var(--r-md) 0;font-size:15px;color:var(--text);line-height:1.8;
}
.notice i{color:var(--clay-deep);font-size:18px;margin-top:4px;flex:none}

/* ---------- FAQ ---------- */
.faq-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--e1);padding:8px 28px}
details.faq{border-bottom:1px solid var(--line)}
details.faq:last-child{border-bottom:none}
details.faq summary{
  display:flex;align-items:center;gap:20px;padding:24px 0;cursor:pointer;
  font-size:18px;font-weight:600;color:var(--ink);list-style:none;letter-spacing:-.01em;
}
details.faq summary::-webkit-details-marker{display:none}
.faq-q{font-family:"Inter",system-ui,monospace;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--muted);flex:none}
.faq-icon{
  flex:none;margin-left:auto;display:grid;place-items:center;width:28px;height:28px;
  border-radius:50%;border:1px solid var(--line);color:var(--ink);
  transition:transform var(--tr),background var(--tr),border-color var(--tr);
}
details[open] .faq-icon{transform:rotate(90deg);background:var(--accent);border-color:var(--accent)}
.faq-a{padding:0 0 26px 46px;max-width:68ch;font-size:15.5px;color:var(--muted);line-height:1.85}

/* ---------- CTA 表单 ---------- */
.cta{background:var(--ink);color:#fff;padding:96px 0}
.cta-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:56px;align-items:start;margin-left:0;margin-right:0}
.cta-grid>.cell{width:auto;padding:0;margin:0;min-width:0}
.cta-kicker{font-family:"Inter",system-ui,sans-serif;font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--accent)}
.cta h2{font-size:clamp(30px,3.6vw,46px);font-weight:800;letter-spacing:-.025em;line-height:1.1;margin-top:16px}
.cta p{color:#9A9CA3;font-size:16px;margin-top:18px;max-width:42ch}
.cta-points{margin-top:28px;display:grid;gap:12px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#B9BBC1}
.cta-points i{color:var(--accent);font-size:12px;margin-top:6px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;letter-spacing:.02em;color:#C9CBD1;margin-bottom:8px}
.cta input,.cta select,.cta textarea{
  width:100%;height:52px;margin:0;padding:0 16px;border-radius:var(--r-md);
  border:1px solid #34363D;background:#17181C;color:#fff;
  box-shadow:none;transition:border-color var(--tr),box-shadow var(--tr);
}
.cta textarea{height:auto;min-height:112px;padding:14px 16px;line-height:1.7;resize:vertical}
.cta select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#8B8D94 50%),linear-gradient(135deg,#8B8D94 50%,transparent 50%);background-position:calc(100% - 20px) 24px,calc(100% - 14px) 24px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.cta input::placeholder,.cta textarea::placeholder{color:#6E7076}
.cta input:focus,.cta select:focus,.cta textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(201,247,58,.22)}
.form-actions{grid-column:1 / -1;margin-top:4px}
.fine-print{font-size:12.5px;color:#7C7E85;margin-top:14px;grid-column:1 / -1;line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9BBC1;padding:72px 0 32px;font-size:14.5px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700;letter-spacing:-.01em}
.foot-brand .brand-mark{background:var(--accent);color:var(--ink)}
.foot-desc{color:#8B8D94;font-size:14px;margin:18px 0 22px;max-width:26ch;line-height:1.75}
.qr-box{
  width:96px;height:96px;border:1px dashed #34363D;border-radius:12px;
  display:grid;place-items:center;text-align:center;font-size:12px;color:#7C7E85;line-height:1.5;
}
.foot-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:20px;letter-spacing:-.01em}
.foot-col ul{display:grid;gap:12px}
.foot-col a{color:#B9BBC1;transition:color var(--tr)}
.foot-col a:hover{color:var(--accent)}
.foot-contact li{display:flex;gap:10px;align-items:flex-start;color:#8B8D94;font-size:14px;line-height:1.7}
.foot-contact i{color:var(--accent);font-size:12px;margin-top:6px;flex:none}
.foot-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid #22242A;
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
  font-size:13px;color:#7C7E85;
}
.foot-bottom nav{display:flex;flex-wrap:wrap;gap:22px}
.foot-bottom a{color:#8B8D94;transition:color var(--tr)}
.foot-bottom a:hover{color:var(--accent)}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 480ms cubic-bezier(.22,.61,.36,1),transform 480ms cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .head-search input{width:190px}
}
@media (max-width:1023px){
  .head-inner{height:60px;gap:16px}
  .nav-toggle{display:flex}
  .head-search{display:none}
  .main-nav{
    position:fixed;top:0;right:0;width:288px;height:100vh;margin:0;
    display:flex;flex-direction:column;align-items:flex-start;gap:6px;
    padding:92px 24px 32px;background:#fff;box-shadow:var(--e3);
    transform:translateX(103%);transition:transform var(--tr);
  }
  .main-nav.open{transform:translateX(0)}
  .main-nav a{width:100%;padding:13px 0;font-size:16px;border-bottom:1px solid var(--line)}
  .main-nav a::after{display:none}
  .main-nav a.active{color:var(--ink)}
  .main-nav a.active::before{content:"";display:inline-block;width:6px;height:6px;background:var(--accent);border-radius:50%;margin-right:10px;vertical-align:middle}
  .section{padding:64px 0}
  .c2-head{padding:64px 0 48px}
  .stagger{grid-template-columns:1fr;gap:24px}
  .stagger .cell:nth-child(odd){margin-top:0}
  .check-grid{grid-template-columns:1fr}
  .check-grid>.cell{width:auto}
  .cta{padding:72px 0}
  .cta-grid{grid-template-columns:1fr;gap:40px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px}
  .chapter-index{grid-template-columns:1fr}
  .chapter-index a{border-right:none;border-bottom:1px solid var(--line);padding:22px 0}
  .chapter-index a:last-child{border-bottom:none}
  .chapter-index a:hover{padding-left:8px;padding-right:0}
}
@media (max-width:767px){
  .head-tools{margin-left:auto;gap:8px}
  .stat-strip{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .faq-list{padding:4px 20px}
  details.faq summary{font-size:16.5px;gap:12px;padding:20px 0}
  .faq-a{padding-left:0;padding-bottom:22px}
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .foot-bottom{margin-top:40px;flex-direction:column;align-items:flex-start}
  .site-footer{padding:56px 0 28px}
  .brand{font-size:14px}
  .brand-mark{width:30px;height:30px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .c2-title{font-size:32px;max-width:none}
  .c2-sub{font-size:16px}
  .section{padding:56px 0}
  .stat{padding:20px 22px}
  .stat-num{font-size:28px}
  .scard-body{padding:20px}
  .btn{padding:0 18px;font-size:14px}
  .btn-sm{height:38px;padding:0 14px}
  .notice{padding:20px}
  .cmp thead th,.cmp tbody td{padding:14px 16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --ink:#0E0F12;
  --ink-2:#181A1F;
  --clay:#FF6A3D;
  --lime:#C9F73A;
  --paper:#F6F5F1;
  --card:#FFFFFF;
  --line:#E5E3DD;
  --line-dark:#22242A;
  --muted:#6E7076;
  --muted-2:#9A9CA2;
  --radius:16px;
  --radius-sm:10px;
  --pill:999px;
  --e1:0 1px 2px rgba(14,15,18,.04);
  --e2:0 8px 24px -8px rgba(14,15,18,.10);
  --e3:0 24px 48px -16px rgba(14,15,18,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --max:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p{margin:0;font-weight:inherit}
h1,h2,h3,h4{letter-spacing:-.02em}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;line-height:1.5}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.grid-x{display:flex;flex-flow:row wrap;margin-left:-12px;margin-right:-12px}
.grid-x>.cell{flex:0 0 auto;min-width:0;width:100%;padding-left:12px;padding-right:12px}
@media screen and (min-width:640px){
  .medium-6{width:50%}
  .medium-4{width:33.3333%}
}
@media screen and (min-width:1024px){
  .large-12{width:100%}
  .large-8{width:66.6666%}
  .large-7{width:58.3333%}
  .large-6{width:50%}
  .large-5{width:41.6666%}
  .large-4{width:33.3333%}
  .large-3{width:25%}
}

/* ===== 头部 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px rgba(14,15,18,.05);
}
.head-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:32px;margin-left:12px}
.main-nav a{
  position:relative;font-size:15px;font-weight:500;color:#3A3C42;padding:6px 0;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--ink);
  transition:width .24s var(--ease);
}
.main-nav a:hover{color:var(--ink)}
.main-nav a:hover::after{width:100%}
.main-nav a.active{color:var(--ink);font-weight:600}
.main-nav a.active::after{width:100%;background:var(--lime)}
.head-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.head-search{
  display:flex;align-items:center;gap:8px;height:40px;width:230px;
  padding:0 16px;border-radius:var(--pill);background:#F4F3F0;
  transition:box-shadow .2s var(--ease);
}
.head-search i{color:var(--muted);font-size:13px}
.head-search input{
  flex:1;min-width:0;border:0;background:transparent;font-size:14px;outline:none;box-shadow:none;
}
.head-search input:focus{box-shadow:none;outline:none}
.head-search:focus-within{box-shadow:0 0 0 2px var(--lime)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;background:#F4F3F0;
  color:var(--ink);font-size:17px;align-items:center;justify-content:center;
}

/* ===== 按钮 / 徽章 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--pill);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  transition:background-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.btn i{transition:transform .22s var(--ease)}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{border-color:rgba(255,255,255,.42);color:#fff}
.btn-light:hover{background:#fff;color:var(--ink)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink);
  border-bottom:1.5px solid transparent;transition:border-color .22s var(--ease),color .22s var(--ease);
}
.text-link:hover{border-color:var(--ink)}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:var(--pill);
  font-size:12.5px;font-weight:600;line-height:1.2;background:var(--lime);color:var(--ink);
}
.badge-clay{background:var(--clay);color:#fff}
.badge-soft{background:#fff;color:var(--ink);border:1px solid var(--line)}
.badge-dark{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.24)}

/* ===== Hero ===== */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(14,15,18,.94) 0%,rgba(14,15,18,.82) 46%,rgba(14,15,18,.5) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:92px;padding-bottom:104px}
.hero-copy h1{
  font-size:clamp(32px,4.6vw,56px);font-weight:800;line-height:1.1;letter-spacing:-.03em;
  margin:22px 0 18px;max-width:16em;
}
.hero-sub{font-size:17px;color:rgba(255,255,255,.76);max-width:32em}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px 26px;margin-top:26px}
.hero-meta span{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.82);
}
.hero-meta i{color:var(--lime);font-size:13px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.panel-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);padding:28px;backdrop-filter:blur(2px);
}
.panel-card h2{font-size:19px;font-weight:700;letter-spacing:-.01em;margin-bottom:18px}
.panel-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.16);font-size:14.5px;
}
.panel-list li:last-child{border-bottom:0;padding-bottom:0}
.panel-list span{color:rgba(255,255,255,.6)}
.panel-list strong{font-weight:600;color:#fff;text-align:right}

/* ===== 板块 ===== */
.section{padding:112px 0}
.section-tight{padding:72px 0}
.section-white{background:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:52px}
.section-head h2{font-size:clamp(26px,3.2vw,38px);font-weight:700;line-height:1.2}
.eyebrow{
  display:block;font-family:var(--font-num);font-size:12.5px;font-weight:700;
  letter-spacing:.16em;color:var(--clay);margin-bottom:12px;
}
.section-sub{color:var(--muted);font-size:15.5px;max-width:44em;margin-top:12px}

/* ===== 数据条 ===== */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--e3);overflow:hidden;margin-top:-66px;position:relative;z-index:6;
}
.stat{padding:34px 32px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-num{
  display:block;font-family:var(--font-num);font-size:clamp(22px,2.6vw,30px);
  font-weight:800;letter-spacing:-.02em;margin-bottom:8px;
}
.stat p{font-size:14.5px;color:var(--muted);line-height:1.7}

/* ===== 横向图文条目 ===== */
.feature-row{margin-bottom:80px;align-items:center}
.feature-row:last-child{margin-bottom:0}
.feature-media{position:relative}
.feature-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);
  box-shadow:var(--e2);transition:transform .3s var(--ease);
}
.feature-media:hover img{transform:scale(1.03)}
.feature-media .badge{position:absolute;left:18px;top:18px;box-shadow:var(--e1)}
.feature-body h3{font-size:clamp(21px,2.4vw,27px);font-weight:700;line-height:1.3;margin:14px 0 14px}
.feature-body p{color:#4B4D54;font-size:16px}
.point-list{margin-top:20px}
.point-list li{
  position:relative;padding-left:26px;margin-bottom:12px;font-size:15px;color:#3A3C42;
}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:2px;
  background:var(--lime);box-shadow:0 0 0 3px rgba(201,247,58,.22);
}
.feature-actions{margin-top:26px}

/* ===== 步骤区 ===== */
.steps{border-top:1px solid var(--line)}
.step{
  display:grid;grid-template-columns:96px 1fr;gap:28px;align-items:start;
  padding:32px 0;border-bottom:1px solid var(--line);
  transition:background-color .24s var(--ease);
}
.step:hover{background:#fff}
.step-num{
  font-family:var(--font-num);font-size:30px;font-weight:800;letter-spacing:-.03em;
  color:var(--muted-2);line-height:1;
}
.step h3{font-size:20px;font-weight:700;margin-bottom:8px}
.step p{font-size:15.5px;color:var(--muted);max-width:60em}
.step-tag{
  display:inline-flex;margin-top:12px;padding:4px 12px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--line);font-size:12.5px;color:var(--muted);
}

/* ===== 提示框 ===== */
.notice{
  margin-top:48px;background:#fff;border-left:4px solid var(--lime);
  border-radius:0 var(--radius) var(--radius) 0;padding:30px 34px;
  box-shadow:var(--e2);display:flex;gap:20px;align-items:flex-start;
}
.notice i{color:var(--clay);font-size:22px;margin-top:4px}
.notice h3{font-size:18px;font-weight:700;margin-bottom:8px}
.notice p{font-size:15px;color:var(--muted);max-width:56em}

/* ===== 常见问题 ===== */
.faq-acc{background:transparent;border:0;margin:0}
.faq-acc .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:14px;box-shadow:var(--e1);overflow:hidden;
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.faq-acc .accordion-item:hover{box-shadow:var(--e2);transform:translateY(-2px)}
.faq-acc .accordion-title{
  position:relative;display:block;border:0;background:transparent;
  padding:22px 64px 22px 26px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.55;
}
.faq-acc .accordion-title::before{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-family:var(--font-num);font-size:22px;font-weight:400;color:var(--muted);line-height:1;
  background:none;width:auto;height:auto;border:0;
  transition:color .22s var(--ease),transform .3s var(--ease);
}
.faq-acc .accordion-item.is-active .accordion-title{color:var(--ink)}
.faq-acc .accordion-item.is-active .accordion-title::before{
  content:"−";color:var(--clay);transform:translateY(-50%) rotate(90deg);
}
.faq-acc .accordion-content{
  display:none;border:0;background:transparent;padding:0 64px 26px 26px;
}
.faq-acc .accordion-item.is-active>.accordion-content{display:block}
.faq-acc .accordion-content p{font-size:15.5px;color:var(--muted);max-width:68ch}
.q-idx{
  display:inline-block;font-family:var(--font-num);font-size:13px;font-weight:700;
  color:var(--clay);margin-right:12px;letter-spacing:.04em;
}

/* ===== 反馈 CTA ===== */
.cta-block{
  position:relative;color:#fff;overflow:hidden;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;
}
.cta-block::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(14,15,18,.96) 0%,rgba(14,15,18,.88) 58%,rgba(14,15,18,.72) 100%);
}
.cta-inner{position:relative;z-index:2;padding:104px 0}
.cta-copy h2{font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1.15;letter-spacing:-.03em;margin-bottom:18px}
.cta-copy p{color:rgba(255,255,255,.72);font-size:16px;max-width:32em}
.cta-points{margin-top:28px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.78);font-size:15px;margin-bottom:14px}
.cta-points i{color:var(--lime);margin-top:6px;font-size:13px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;color:rgba(255,255,255,.74);margin-bottom:9px}
.field input,.field select,.field textarea{
  width:100%;height:52px;padding:0 16px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);
  color:#fff;outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field textarea{height:118px;padding:14px 16px;resize:vertical}
.field select option{color:var(--ink)}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.38)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--lime);background:rgba(255,255,255,.09);
  box-shadow:0 0 0 3px rgba(201,247,58,.18);
}
.form-actions{grid-column:1 / -1;display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:4px}
.form-note{font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.7}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:#fff}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;
  padding:76px 0 52px;
}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;letter-spacing:-.01em}
.foot-desc{color:rgba(255,255,255,.55);font-size:14px;margin-top:18px;max-width:280px}
.qr-box{
  width:110px;height:110px;margin-top:26px;border:1px dashed rgba(255,255,255,.28);
  border-radius:12px;display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.6;color:rgba(255,255,255,.6);
}
.foot-col h4{font-size:15px;font-weight:600;margin-bottom:20px;color:#fff}
.foot-col ul li{margin-bottom:13px}
.foot-col a{color:rgba(255,255,255,.6);font-size:14px}
.foot-col a:hover{color:var(--lime)}
.foot-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.6);font-size:14px}
.foot-contact i{color:var(--lime);font-size:13px;margin-top:7px}
.foot-bottom{
  border-top:1px solid var(--line-dark);padding:24px 0;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.5);
}
.foot-bottom nav{display:flex;flex-wrap:wrap;gap:20px}
.foot-bottom nav a:hover{color:var(--lime)}

/* ===== 动效 ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
}

/* ===== 响应式 ===== */
@media screen and (min-width:1024px){
  .feature-row.reverse{flex-direction:row-reverse}
}
@media screen and (max-width:1023px){
  body{font-size:16px}
  .container{padding:0 16px}
  .head-inner{height:60px;gap:14px}
  .brand-text{font-size:15px;max-width:11em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .head-search{display:none}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:fixed;top:60px;right:0;bottom:0;width:76%;max-width:320px;
    margin-left:0;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:12px 0;box-shadow:var(--e3);
    transform:translateX(102%);transition:transform .28s var(--ease);
    z-index:90;overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0)}
  .main-nav a{padding:16px 24px;font-size:16px;border-bottom:1px solid var(--line)}
  .main-nav a::after{display:none}
  .main-nav a.active{background:#FAFAF7}
  .section{padding:72px 0}
  .section-tight{padding:52px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:36px}
  .hero-inner{padding-top:64px;padding-bottom:88px}
  .hero-copy h1{font-size:clamp(28px,7vw,40px)}
  .panel-card{margin-top:36px}
  .stat-strip{grid-template-columns:1fr;margin-top:-48px}
  .stat{border-right:0;border-bottom:1px solid var(--line);padding:26px 24px}
  .stat:last-child{border-bottom:0}
  .feature-row{margin-bottom:56px}
  .feature-body{margin-top:26px}
  .step{grid-template-columns:64px 1fr;gap:18px;padding:26px 0}
  .step-num{font-size:24px}
  .notice{padding:24px 22px;gap:14px;margin-top:36px}
  .faq-acc .accordion-title{padding:18px 52px 18px 20px;font-size:16px}
  .faq-acc .accordion-content{padding:0 24px 22px 20px}
  .cta-inner{padding:76px 0}
  .form-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px;padding:56px 0 40px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media screen and (max-width:639px){
  .hero-meta{flex-direction:column;gap:10px}
  .hero-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .section-head h2{font-size:26px}
  .btn{padding:0 20px}
}