/* roulang page: index */
:root{
  --asphalt:#14181c;--road:#1e242b;--amber:#e6a100;--teal:#1f8a84;
  --cream:#f3efe6;--paper:#fffbf5;--line:#e4ddd0;--ink:#1c1a17;
  --muted:#5e5850;--disabled:#a39b90;--danger:#a94e3d;--shadow:0 8px 24px rgba(28,26,23,.08);
  --radius:14px;--container:1240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--cream);line-height:1.75;font-size:16px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button{cursor:pointer;border:0}
img{display:block;max-width:100%;height:auto}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:20px;top:20px;background:var(--amber);padding:8px 14px;z-index:99}
.topbar{background:var(--asphalt);color:#d9d0c3;font-size:13px}
.topbar .container{height:38px;display:flex;align-items:center;justify-content:space-between}
.topbar a{color:#f1dfb4}
.topbar a:hover{color:var(--amber)}
.site-header{position:sticky;top:0;z-index:20;background:var(--paper);border-bottom:1px solid transparent;transition:.25s}
.site-header.is-stuck{border-color:var(--line);box-shadow:0 4px 16px rgba(20,24,28,.06)}
.navbar{height:78px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;min-width:255px}
.brand-mark{width:37px;height:37px;border-radius:50%;background:var(--amber);position:relative;display:grid;place-items:center}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--asphalt);border-radius:4px}
.brand-mark:before{width:19px;height:7px;top:13px}
.brand-mark:after{width:27px;height:3px;top:24px;box-shadow:-7px 0 0 var(--asphalt),7px 0 0 var(--asphalt)}
.brand strong{font-size:17px;line-height:1.2;display:block}
.brand small{font-size:11px;color:var(--muted);display:block;margin-top:2px}
.nav-links{display:flex;gap:22px;align-items:center;flex:1;justify-content:center}
.nav-links a{font-size:14px;color:var(--muted);padding:27px 0 24px;border-bottom:2px solid transparent;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:var(--ink);border-color:var(--amber)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:10px;font-weight:700;font-size:15px;transition:.2s;border:1px solid transparent}
.btn:hover{transform:translateY(-2px);filter:brightness(1.02)}
.btn:focus-visible,.icon-btn:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid rgba(31,138,132,.42);outline-offset:3px}
.btn-primary{background:var(--amber);color:var(--asphalt)}
.btn-outline{border-color:var(--asphalt);color:var(--asphalt);background:transparent}
.btn-light{border-color:#c7bda9;color:var(--paper);background:transparent}
.btn-teal{border-color:var(--teal);color:var(--teal);background:transparent}
.menu-toggle{display:none;background:none;font-size:25px;color:var(--asphalt);width:44px;height:44px}
.hero{position:relative;min-height:625px;background:var(--asphalt);color:var(--paper);overflow:hidden}
.hero-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .45s ease;display:flex;align-items:center;background-size:cover;background-position:center}
.hero-slide:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,24,28,.92) 0%,rgba(20,24,28,.72) 48%,rgba(20,24,28,.2) 100%)}
.hero-slide.active{opacity:1;visibility:visible}
.hero-content{position:relative;z-index:1;width:min(730px,100%);padding:90px 0 112px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--amber);font-size:13px;letter-spacing:.12em;font-weight:700;margin-bottom:18px}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--amber)}
.hero h1{font-size:clamp(40px,5vw,62px);line-height:1.16;letter-spacing:-.04em;margin-bottom:23px;max-width:700px}
.hero p{font-size:17px;line-height:1.9;color:#e2d9cc;max-width:670px;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.trust-line{display:flex;gap:24px;flex-wrap:wrap;margin-top:31px;color:#ddd1c1;font-size:13px}
.trust-line span{display:flex;align-items:center;gap:7px}
.trust-line i{width:7px;height:7px;border-radius:50%;background:var(--teal);display:inline-block}
.hero-controls{position:absolute;z-index:3;bottom:40px;left:50%;transform:translateX(-50%);width:min(var(--container),calc(100% - 48px));display:flex;align-items:center;justify-content:space-between}
.slide-arrows{display:flex;gap:8px}
.icon-btn{width:44px;height:44px;border:1px solid rgba(255,255,255,.4);background:rgba(20,24,28,.35);color:var(--paper);border-radius:50%;font-size:20px}
.icon-btn:hover{background:var(--amber);color:var(--asphalt);border-color:var(--amber)}
.dots{display:flex;gap:8px}
.dot{width:28px;height:4px;background:rgba(255,255,255,.4);border-radius:5px}
.dot.active{background:var(--amber)}
.anchor-strip{background:var(--road);color:#eee5d8}
.anchor-strip .container{display:flex;align-items:center;gap:30px;min-height:56px}
.anchor-strip a{font-size:14px;color:#d9d0c3}
.anchor-strip a:hover{color:var(--amber)}
.section{padding:92px 0;position:relative}
.section.paper{background:var(--paper)}
.section-head{max-width:720px;margin-bottom:42px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-kicker{color:var(--teal);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:10px}
h2{font-size:clamp(28px,3vw,38px);line-height:1.3;letter-spacing:-.035em;margin-bottom:14px}
.section-head p{color:var(--muted);max-width:690px}
.value-band{background:var(--road);color:var(--paper);padding:0}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.value-item{min-height:142px;padding:28px 30px;display:grid;grid-template-columns:68px 1fr;gap:18px;align-items:center;border-right:1px solid rgba(255,255,255,.13)}
.value-item:last-child{border-right:0}
.value-no{font-size:42px;color:var(--amber);font-weight:800;line-height:1;font-variant-numeric:tabular-nums}
.value-item h3{font-size:19px;margin-bottom:5px}
.value-item p{font-size:13px;color:#cfc5b7;white-space:nowrap}
.value-item b{color:var(--amber);font-weight:500}
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}
.intro-photo{position:relative}
.intro-photo img{width:100%;height:430px;object-fit:cover;border-radius:var(--radius)}
.photo-note{position:absolute;right:-18px;bottom:22px;background:var(--amber);padding:16px 20px;color:var(--asphalt);font-weight:800;box-shadow:var(--shadow)}
.intro-copy p{color:var(--muted);margin-bottom:18px}
.detail-list{list-style:none;border-top:1px solid var(--line);margin-top:26px}
.detail-list li{padding:13px 0;border-bottom:1px solid var(--line);display:flex;gap:12px;font-size:14px}
.detail-list li:before{content:"✓";color:var(--teal);font-weight:800}
.advantage-section{background:var(--cream)}
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.adv-card{background:var(--paper);border:1px solid var(--line);padding:25px 24px 22px;border-radius:12px;min-height:218px;transition:.2s;position:relative;overflow:hidden}
.adv-card:hover{transform:translateY(-3px);border-color:var(--amber);box-shadow:var(--shadow)}
.adv-card:after{content:"";position:absolute;right:-25px;top:-25px;width:85px;height:85px;border:1px solid rgba(31,138,132,.2);border-radius:50%}
.adv-card .mini-icon{color:var(--teal);font-size:24px;margin-bottom:14px}
.adv-card h3{font-size:19px;margin-bottom:7px}
.adv-card p{font-size:14px;color:var(--muted)}
.metric{color:var(--amber);font-size:26px;font-weight:800;line-height:1;margin-top:17px;font-variant-numeric:tabular-nums}
.scene-wrap{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:stretch}
.scene-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:25px}
.scene-tab{padding:10px 14px;background:var(--cream);border:1px solid var(--line);border-radius:999px;font-size:14px;color:var(--muted)}
.scene-tab.active,.scene-tab:hover{background:var(--amber);border-color:var(--amber);color:var(--asphalt);font-weight:700}
.scene-visual{position:relative;min-height:380px}
.scene-panel{display:none;height:100%;position:relative}
.scene-panel.active{display:block}
.scene-panel img{height:380px;width:100%;object-fit:cover;border-radius:var(--radius)}
.scene-caption{position:absolute;left:18px;right:18px;bottom:18px;background:rgba(20,24,28,.88);color:var(--paper);padding:14px 17px;border-left:3px solid var(--amber)}
.scene-caption strong{font-size:18px;display:block}
.step-list{list-style:none;position:relative;margin-top:18px}
.step-list:before{content:"";position:absolute;left:15px;top:17px;bottom:18px;border-left:1px dashed #bcb1a0}
.step-list li{position:relative;display:flex;gap:17px;margin:0 0 19px}
.step-dot{width:31px;height:31px;flex:0 0 31px;border-radius:50%;background:var(--teal);color:white;text-align:center;line-height:31px;font-size:13px;z-index:1}
.step-list h3{font-size:17px;margin-bottom:2px}
.step-list p{font-size:14px;color:var(--muted)}
.packages{background:var(--paper)}
.package-grid{display:grid;grid-template-columns:1fr 1.12fr 1fr;gap:17px;align-items:center}
.package{border:1px solid var(--line);padding:30px 27px;border-radius:14px;background:var(--cream);min-height:365px}
.package.featured{background:var(--road);color:var(--paper);padding:38px 30px;border-color:var(--road);box-shadow:0 13px 30px rgba(20,24,28,.18)}
.package-tag{font-size:12px;color:var(--teal);font-weight:800;margin-bottom:14px}
.featured .package-tag{color:var(--amber)}
.package h3{font-size:24px;margin-bottom:10px}
.package p{font-size:14px;color:var(--muted);min-height:71px}
.featured p{color:#d5cabe}
.price{font-size:30px;font-weight:800;color:var(--amber);margin:18px 0}
.price small{font-size:13px;color:var(--muted);font-weight:400}
.featured .price small{color:#c9bcab}
.package ul{list-style:none;border-top:1px solid var(--line);padding-top:15px;margin-bottom:23px}
.featured ul{border-color:rgba(255,255,255,.2)}
.package li{font-size:13px;margin:7px 0;color:var(--muted)}
.featured li{color:#ded3c5}
.package li:before{content:"·";color:var(--teal);font-weight:900;margin-right:8px}
.case-section{background:var(--asphalt);color:var(--paper);overflow:hidden}
.case-grid{display:grid;grid-template-columns:1fr 1.35fr;gap:75px;align-items:center}
.case-section .section-kicker{color:var(--amber)}
.case-section h2{max-width:520px}
.route-art{height:280px;position:relative;border:1px solid rgba(255,255,255,.18);border-radius:50%;margin:25px 0 0;width:360px;transform:rotate(-12deg)}
.route-art:before{content:"";position:absolute;left:42px;top:70px;width:275px;height:130px;border-top:2px dashed var(--amber);border-radius:50%}
.route-art:after{content:"●       ●       ●";position:absolute;color:var(--teal);font-size:18px;letter-spacing:31px;left:48px;top:47px}
.route-number{font-size:108px;line-height:1;color:var(--amber);font-weight:800;letter-spacing:-.08em}
.case-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.case-card{border-top:1px solid rgba(255,255,255,.25);padding-top:20px}
.case-card h3{font-size:20px;margin-bottom:8px}
.case-card p{color:#cfc5b7;font-size:14px}
.social{background:var(--paper)}
.credential-bar{display:flex;gap:12px;overflow:auto;padding-bottom:12px;margin-bottom:32px}
.credential{min-width:230px;border:1px solid var(--line);padding:17px 20px;background:var(--cream);border-radius:10px}
.credential strong{display:block;font-size:15px}
.credential span{font-size:12px;color:var(--muted)}
.promise-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.promise{padding:21px;background:var(--cream);border-left:3px solid var(--teal)}
.promise h3{font-size:17px;margin-bottom:5px}
.promise p{font-size:14px;color:var(--muted)}
.stories{background:var(--cream)}
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.story{background:var(--paper);padding:31px;border-radius:14px;display:grid;grid-template-columns:72px 1fr;gap:20px;align-items:start}
.avatar{width:64px;height:64px;border-radius:50%;background:var(--road);display:grid;place-items:center;color:var(--amber);font-weight:800;font-size:22px}
.story blockquote{font-size:20px;line-height:1.65;margin-bottom:14px}
.story small{color:var(--muted)}
.trip-tag{display:inline-block;background:#e5ded1;color:var(--muted);font-size:12px;border-radius:999px;padding:3px 9px;margin-top:8px}
.stats{background:#e9e3d8;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{text-align:center;padding:37px 15px;border-right:1px solid #d5cbbb}
.stat:last-child{border:0}
.stat strong{font-size:39px;color:var(--asphalt);font-variant-numeric:tabular-nums;display:block;line-height:1.1}
.stat strong em{font-style:normal;font-size:20px;color:var(--teal)}
.stat span{color:var(--muted);font-size:14px}
.compare{background:var(--paper)}
.compare-table{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.compare-col{padding:27px}
.compare-col:first-child{background:var(--cream);border-right:1px solid var(--line)}
.compare-col:last-child{background:#fff8e8}
.compare-col h3{font-size:20px;margin-bottom:18px}
.compare-col:last-child h3{color:#9a6a00}
.compare-list{list-style:none}
.compare-list li{display:flex;gap:12px;padding:13px 0;border-top:1px solid var(--line);font-size:14px}
.compare-list li:before{content:"—";color:var(--muted)}
.compare-col:last-child li:before{content:"✓";color:var(--teal);font-weight:800}
.reviews{background:var(--cream)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.review{background:var(--paper);padding:22px;border:1px solid var(--line);min-height:205px;position:relative}
.review:before{content:"“";font-size:52px;color:var(--amber);line-height:.7;position:absolute;right:20px;top:23px}
.review p{font-size:15px;line-height:1.8;margin:13px 0 21px;max-width:90%}
.review b{font-size:14px}
.review span{display:block;color:var(--teal);font-size:12px;margin-top:4px}
.news{background:var(--paper)}
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.news-card{border:1px solid var(--line);background:var(--cream);border-radius:12px;overflow:hidden;transition:.2s}
.news-card:hover{transform:translateY(-3px);border-color:var(--amber);box-shadow:var(--shadow)}
.news-card img{height:130px;width:100%;object-fit:cover}
.news-body{padding:18px}
.news-body time{font-size:12px;color:var(--teal)}
.news-body h3{font-size:17px;line-height:1.45;margin:9px 0}
.news-body p{color:var(--muted);font-size:13px;line-height:1.7}
.faq{background:var(--cream)}
.faq-list{max-width:900px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;padding:19px 45px 19px 0;position:relative;font-weight:700;cursor:pointer}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:7px;color:var(--teal);font-size:24px;font-weight:400}
.faq-item[open] summary:after{content:"−";color:var(--amber)}
.faq-answer{padding:0 40px 20px 0;color:var(--muted);font-size:14px}
.safety-strip{background:#eee5d5;padding:28px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.safety-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.safety-item{display:flex;gap:12px;align-items:flex-start;border-right:1px solid #d8cdbb;padding-right:15px}
.safety-item:last-child{border:0}
.safety-icon{color:var(--teal);font-size:22px;line-height:1}
.safety-item h3{font-size:15px}
.safety-item p{color:var(--muted);font-size:12px;line-height:1.6}
.final-cta{background:var(--road);color:var(--paper);padding:92px 0}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}
.final-cta h2{font-size:42px;max-width:520px}
.final-cta .section-kicker{color:var(--amber)}
.cta-copy>p{color:#d4c9ba;max-width:510px;margin:18px 0 26px}
.cta-points{list-style:none;color:#e4d9cb}
.cta-points li{margin:12px 0}
.cta-points li:before{content:"✓";color:var(--amber);margin-right:11px}
.booking-form{background:var(--paper);color:var(--ink);padding:27px;border-radius:14px}
.booking-form h3{font-size:21px;margin-bottom:17px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:700;margin-bottom:5px}
.field input,.field select{width:100%;height:45px;border:1px solid var(--line);background:#fffdf8;color:var(--ink);border-radius:8px;padding:0 12px}
.field input:invalid:not(:placeholder-shown){border-color:var(--danger)}
.switcher{display:flex;gap:8px;margin:3px 0 16px}
.switcher label{font-size:13px;border:1px solid var(--line);padding:7px 13px;border-radius:999px;cursor:pointer}
.switcher input{display:none}
.switcher input:checked+span{color:var(--teal);font-weight:700}
.form-note{font-size:12px;color:var(--muted);margin-top:11px}
.form-message{color:var(--teal);font-size:13px;min-height:23px;margin-top:8px}
.site-footer{background:var(--asphalt);color:#d9d0c3;padding:55px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.25fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.14)}
.footer-brand p{font-size:13px;color:#a9a095;margin-top:14px;max-width:280px}
.site-footer h3{color:var(--paper);font-size:15px;margin-bottom:14px}
.footer-links{list-style:none}
.footer-links li{margin:7px 0;font-size:13px}
.footer-links a:hover{color:var(--amber)}
.contact-line{font-size:13px;margin:7px 0}
.contact-line a{color:#ead08c}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#938b82;font-size:12px}
.float-cta{position:fixed;z-index:18;left:0;right:0;bottom:0;background:rgba(20,24,28,.98);color:var(--paper);padding:12px 0;transform:translateY(110%);transition:.3s;border-top:1px solid rgba(230,161,0,.4)}
.float-cta.show{transform:translateY(0)}
.float-inner{display:flex;justify-content:space-between;align-items:center;gap:20px}
.float-inner strong{font-size:15px}
.float-inner small{display:block;color:#c2b7aa;font-size:12px}
.float-actions{display:flex;gap:9px}
.float-close{background:none;color:#a9a095;font-size:20px;padding:8px}
@media(max-width:1100px){
  .brand{min-width:215px}.nav-links{gap:13px}.nav-links a{font-size:13px}
  .container{width:min(var(--container),calc(100% - 36px))}
  .intro-grid{gap:35px}.case-grid{gap:40px}
}
@media(max-width:800px){
  .topbar .container{height:34px}.topbar .container span:last-child{display:none}
  .navbar{height:68px;justify-content:space-between}.menu-toggle{display:block}
  .nav-links{position:absolute;display:none;top:68px;left:0;right:0;background:var(--paper);padding:9px 24px 20px;box-shadow:0 12px 20px rgba(20,24,28,.12);flex-direction:column;align-items:stretch;gap:0}
  .nav-links.open{display:flex}.nav-links a{padding:12px 0;border-bottom:1px solid var(--line)}
  .navbar>.btn-primary{display:none}
  .hero{min-height:650px}.hero-content{padding:75px 0 115px}.hero h1{font-size:42px}
  .value-grid{grid-template-columns:1fr}.value-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.13);min-height:112px}
  .intro-grid,.scene-wrap,.case-grid,.cta-grid{grid-template-columns:1fr}.intro-photo img{height:330px}
  .adv-grid{grid-template-columns:repeat(2,1fr)}.package-grid{grid-template-columns:1fr;max-width:510px}
  .package,.package.featured{min-height:auto}.case-list{grid-template-columns:1fr 1fr}
  .promise-grid,.review-grid{grid-template-columns:1fr 1fr}.news-grid{grid-template-columns:repeat(2,1fr)}
  .story-grid{grid-template-columns:1fr}.stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid #d5cbbb}
  .safety-grid{grid-template-columns:repeat(2,1fr)}.safety-item:nth-child(2){border:0}
  .footer-grid{grid-template-columns:1fr 1fr}.cta-grid{gap:35px}
}
@media(max-width:520px){
  .container{width:calc(100% - 30px)}.brand strong{font-size:15px}.brand small{font-size:10px}
  .hero h1{font-size:33px}.hero p{font-size:15px}.hero-content{padding-top:58px}
  .hero-controls{bottom:24px}.anchor-strip .container{gap:17px;overflow:auto;white-space:nowrap}
  .section{padding:64px 0}.adv-grid,.promise-grid,.review-grid,.news-grid,.safety-grid{grid-template-columns:1fr}
  .story{grid-template-columns:52px 1fr;padding:22px}.avatar{width:50px;height:50px;font-size:17px}.story blockquote{font-size:17px}
  .scene-wrap{gap:28px}.scene-panel img{height:285px}.scene-visual{min-height:285px}
  .route-art{width:270px;height:210px}.route-art:before{width:195px}.route-art:after{left:30px;letter-spacing:16px}
  .route-number{font-size:80px}.case-list{grid-template-columns:1fr}
  .compare-table{grid-template-columns:1fr}.compare-col:first-child{border-right:0;border-bottom:1px solid var(--line)}
  .stat strong{font-size:31px}.stat{padding:28px 8px}.stat span{font-size:12px}
  .form-row{grid-template-columns:1fr}.final-cta h2{font-size:31px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}
  .footer-bottom{flex-direction:column;gap:6px}.float-inner>div:first-child{max-width:150px}
  .float-actions .btn{padding:0 12px;font-size:13px}.float-close{display:none}
}
@media(prefers-reduced-motion:reduce){
  *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}

/* roulang page: index */
:root{--ink:#171A1F;--amber:#F0B429;--signal:#E85D04;--route:#1FA89A;--paper:#F6F3EE;--card:#FFFDF8;--mute:#5C616A;--line:#DED7CA;--asphalt:#121418;--fog:#E7E1D6;--shadow:0 8px 24px rgba(18,20,24,.08);--radius:14px;--max:1200px}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:112px}body{font-family:"Noto Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.75;overflow-x:hidden}img{max-width:100%;display:block}a{text-decoration:none;color:inherit}button,input,select{font:inherit}button{cursor:pointer;border:0}ul{list-style:none}.container{width:min(var(--max),calc(100% - 48px));margin:auto}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--signal);font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.eyebrow:before{content:"";width:22px;height:2px;background:var(--amber)}h1,h2,h3{line-height:1.25;letter-spacing:-.03em}h1{font-size:clamp(36px,5vw,60px);font-weight:800}h2{font-size:clamp(26px,3vw,34px);font-weight:800}h3{font-size:20px;font-weight:750}.section{padding:92px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}.section-head p{max-width:570px;color:var(--mute);font-size:15px}.btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;min-height:48px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:700;transition:.25s ease}.btn:hover{transform:translateY(-2px;)}.btn:focus-visible,input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid rgba(240,180,41,.55);outline-offset:3px}.btn-primary{background:var(--amber);color:var(--ink)}.btn-primary:hover{background:#f4c143;box-shadow:0 8px 18px rgba(240,180,41,.22)}.btn-orange{background:var(--signal);color:#fff}.btn-orange:hover{background:#f16a15}.btn-dark{background:var(--ink);color:#fff}.btn-outline{border:1px solid var(--ink);color:var(--ink);background:transparent}.btn-outline:hover{background:var(--ink);color:#fff}.tag{display:inline-flex;padding:4px 10px;border-radius:999px;background:#eee9df;color:var(--mute);font-size:12px}.topbar{height:46px;background:var(--ink);color:#d9d5cc;font-size:13px}.topbar-inner{height:46px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;font-size:16px}.brand-mark{width:28px;height:20px;position:relative;border-bottom:3px solid var(--amber);border-radius:2px 8px 2px 8px}.brand-mark:before,.brand-mark:after{content:"";position:absolute;width:6px;height:6px;background:var(--amber);border-radius:50%;bottom:-5px}.brand-mark:before{left:3px}.brand-mark:after{right:3px}.top-info{display:flex;gap:25px;align-items:center}.top-info a{color:#fff}.top-info a:hover{color:var(--amber)}.top-cta{height:34px;padding:0 17px;font-size:13px}.navrow{height:66px;background:rgba(255,253,248,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.nav-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.mobile-brand{display:none}.nav-links{display:flex;gap:25px;height:100%;align-items:center}.nav-links a{font-size:14px;color:#4f5359;height:100%;display:flex;align-items:center;position:relative}.nav-links a:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--amber);transform:scaleX(0);transition:.2s}.nav-links a:hover,.nav-links a.active{color:var(--ink)}.nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}.nav-action{font-size:13px;min-height:38px}.menu-toggle{display:none;background:none;font-size:25px;color:var(--ink)}.hero{min-height:650px;position:relative;color:#fff;overflow:hidden;background:#20242a}.hero-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .7s ease;background-size:cover;background-position:center}.hero-slide.active{opacity:1;visibility:visible}.hero-slide:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,20,24,.88) 0%,rgba(18,20,24,.63) 46%,rgba(18,20,24,.2) 100%)}.slide-one{background-image:url('/assets/images/a6d69764dcb68c13.jpg')}.slide-two{background-image:url('/assets/images/4b892853f16a7621.jpg')}.slide-three{background-image:url('/assets/images/4cf5dc2dfc7f9cef.webp')}.hero-content{position:relative;z-index:1;padding:105px 0 120px;max-width:760px}.hero .eyebrow{color:var(--amber)}.hero h1{margin:20px 0 22px;max-width:700px}.hero-copy{font-size:18px;color:#eee7da;max-width:650px;line-height:1.8}.hero-actions{display:flex;gap:13px;margin:30px 0 38px}.hero .btn-outline{border-color:#eee;color:#fff}.hero .btn-outline:hover{background:#fff;color:var(--ink)}.hero-trust{display:flex;gap:24px;flex-wrap:wrap;color:#ded9ce;font-size:13px}.hero-trust span{display:flex;align-items:center;gap:7px}.hero-trust i{display:inline-block;width:7px;height:7px;background:var(--route);border-radius:50%}.hero-convert{position:absolute;z-index:3;bottom:24px;left:50%;transform:translateX(-50%);width:min(var(--max),calc(100% - 48px));background:rgba(255,253,248,.96);color:var(--ink);border-radius:12px;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 10px 28px rgba(0,0,0,.22)}.convert-items{display:flex;gap:27px;font-size:14px}.convert-items strong{display:block;font-size:11px;color:var(--mute);font-weight:500}.convert-items a:hover{color:var(--signal)}.slider-controls{position:absolute;z-index:3;right:calc((100% - min(var(--max),calc(100% - 48px)))/2);top:50%;display:flex;gap:8px}.slider-controls button{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.5)}.slider-controls button:hover{background:var(--amber);color:var(--ink)}.dots{position:absolute;z-index:3;left:50%;bottom:108px;display:flex;gap:7px;transform:translateX(-50%)}.dots button{width:24px;height:4px;background:rgba(255,255,255,.45);border-radius:3px}.dots button.active{background:var(--amber);width:42px}.evidence{background:var(--card);padding:30px 0;border-bottom:1px solid var(--line)}.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line)}.evidence-item{background:var(--card);padding:14px 28px;display:grid;grid-template-columns:45px 1fr;gap:15px;align-items:center}.evidence-icon{width:42px;height:42px;border-radius:12px;background:#f8e7b9;color:var(--signal);display:grid;place-items:center;font-weight:800;font-size:19px}.evidence-item h3{font-size:17px;margin-bottom:2px}.evidence-item p{font-size:13px;color:var(--mute)}.evidence-item a{font-size:12px;color:var(--signal);font-weight:700}.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.split-media{position:relative}.split-media img{width:100%;height:430px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.media-note{position:absolute;right:-20px;bottom:22px;background:var(--ink);color:#fff;padding:15px 18px;border-radius:10px;font-size:13px;box-shadow:var(--shadow)}.media-note b{display:block;color:var(--amber);font-size:22px;line-height:1.2}.split-copy p{color:var(--mute);margin:20px 0}.check-list{display:grid;gap:12px;margin:23px 0}.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px}.check-list li:before{content:"✓";color:var(--route);font-weight:800}.scene-section{background:#ebe5da}.scene-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}.scene-feature{min-height:435px;border-radius:var(--radius);background:linear-gradient(0deg,rgba(18,20,24,.85),rgba(18,20,24,.1)),url('/assets/images/46c87d2e8e359190.webp') center/cover;display:flex;align-items:end;padding:33px;color:#fff}.scene-feature h3{font-size:29px;margin:7px 0}.scene-feature p{color:#ebe7df;max-width:430px;font-size:14px}.scene-list{display:grid;gap:12px}.scene-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:19px;display:grid;grid-template-columns:1fr auto;gap:10px;transition:.25s}.scene-card:hover{border-color:var(--amber);transform:translateX(4px);box-shadow:var(--shadow)}.scene-card h3{font-size:18px}.scene-card p{font-size:13px;color:var(--mute);grid-column:1/-1}.scene-card a{font-size:12px;color:var(--signal);font-weight:700}.advantage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.advantage-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:grid;grid-template-columns:58px 1fr;gap:15px;transition:.25s}.advantage-card:hover{transform:translateY(-5px);border-color:var(--amber);box-shadow:var(--shadow)}.advantage-card img{width:58px;height:58px;object-fit:cover;border-radius:10px;grid-row:span 2}.advantage-card h3{font-size:17px}.advantage-card p{font-size:13px;color:var(--mute);line-height:1.65}.service-section{background:var(--card)}.service-layout{display:grid;grid-template-columns:1.25fr .75fr;grid-template-rows:1fr 1fr;gap:18px}.product-card{position:relative;overflow:hidden;border-radius:var(--radius);min-height:225px;color:#fff;background-size:cover;background-position:center;padding:27px;display:flex;align-items:end}.product-card:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(18,20,24,.9),rgba(18,20,24,.08))}.product-card>*{position:relative}.product-card.main-product{grid-row:span 2;min-height:468px;background-image:url('/assets/images/5a34e6f11435e53d.webp')}.product-card.small-one{background-image:url('/assets/images/0550c6b29acd4e87.webp')}.product-card.small-two{background-image:url('/assets/images/ee69f335a705b7de.webp')}.product-card h3{font-size:25px;margin:6px 0}.product-card.small-one h3,.product-card.small-two h3{font-size:20px}.product-card p{font-size:13px;color:#ece7dd;max-width:380px}.product-card .btn{margin-top:14px;min-height:38px;padding:0 15px;font-size:13px}.dark-section{background:var(--asphalt);color:var(--fog);position:relative;overflow:hidden}.dark-section:after{content:"";position:absolute;right:-120px;top:-180px;width:450px;height:450px;border:1px solid rgba(240,180,41,.18);border-radius:50%}.dark-section .section-head p{color:#aaa79f}.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;position:relative;z-index:1}.case-item{border:1px solid #383a3c;border-radius:12px;padding:24px;background:rgba(255,255,255,.025)}.case-item .tag{background:#2c302f;color:#c9c5bb}.case-item h3{margin:18px 0 8px;color:#fff}.case-item p{font-size:14px;color:#aaa79f}.case-result{display:block;margin-top:18px;color:var(--amber);font-family:ui-monospace,monospace;font-size:14px}.compare{background:#ebe5da}.compare-table{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--card)}.compare-row{display:grid;grid-template-columns:1.1fr 1fr 1fr;border-bottom:1px solid var(--line)}.compare-row:last-child{border-bottom:0}.compare-row>div{padding:17px 22px;font-size:14px}.compare-row .head{font-weight:800;background:#eee9df}.compare-row .highlight{background:#fff1c9;color:#694b00;font-weight:700}.compare-row .label{font-weight:700}.stories-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.story-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.story-card img{width:100%;height:180px;object-fit:cover}.story-body{padding:21px}.story-body blockquote{font-size:16px;font-weight:600;line-height:1.7;margin:13px 0}.story-body cite{font-size:13px;color:var(--mute);font-style:normal}.stats{background:var(--ink);color:#fff;padding:43px 0}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}.stat{text-align:center;border-right:1px solid #3b3e42}.stat:last-child{border:0}.stat strong{font-family:ui-monospace,monospace;font-size:37px;color:var(--amber);display:block;line-height:1.2}.stat span{font-size:13px;color:#d0ccc2}.reviews{background:var(--card)}.review-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.review{border:1px solid var(--line);border-radius:12px;padding:21px;background:#fffefa}.stars{color:#e99b00;letter-spacing:2px;font-size:15px}.review p{font-size:14px;line-height:1.7;margin:13px 0;color:#393d43}.review-meta{font-size:12px;color:var(--mute);display:flex;justify-content:space-between}.safety{background:#eee9df}.safety-list{display:grid;gap:14px;margin-top:25px}.safety-list li{background:var(--card);border-radius:10px;padding:15px 18px;display:flex;gap:13px;border:1px solid var(--line)}.safety-list b{font-size:15px}.safety-list span{display:block;font-size:13px;color:var(--mute)}.safety-mark{width:28px;height:28px;border-radius:50%;background:#d8f0ec;color:#168f84;display:grid;place-items:center;font-weight:800;flex:none}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:40px}.step{position:relative;padding:0 22px 0 0}.step:not(:last-child):after{content:"";position:absolute;top:17px;right:16px;width:calc(100% - 48px);height:1px;background:var(--line)}.step-num{position:relative;z-index:1;width:35px;height:35px;border-radius:50%;background:var(--amber);display:grid;place-items:center;font-weight:800;margin-bottom:20px}.step h3{font-size:17px;margin-bottom:8px}.step p{font-size:13px;color:var(--mute);max-width:210px}.news{background:var(--card)}.news-list{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.news-card{border-top:3px solid var(--amber);padding:20px;background:#fffefa;border-radius:0 0 10px 10px}.news-card .tag{margin-bottom:16px}.news-card h3{font-size:17px;margin-bottom:9px}.news-card p{font-size:13px;color:var(--mute);line-height:1.7}.faq-list{max-width:850px;margin:auto;border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;padding:20px 0;font-weight:700;color:var(--ink)}.faq-question span{width:25px;height:25px;border:1px solid var(--mute);border-radius:50%;display:grid;place-items:center;font-size:20px;line-height:1;font-weight:400;transition:.25s}.faq-answer{display:grid;grid-template-rows:0fr;transition:.3s}.faq-answer p{overflow:hidden;color:var(--mute);font-size:14px;padding:0}.faq-item.open .faq-answer{grid-template-rows:1fr}.faq-item.open .faq-answer p{padding:0 48px 20px 0}.faq-item.open .faq-question span{transform:rotate(45deg);background:var(--amber);border-color:var(--amber)}.guard-bar{background:var(--ink);color:#fff;padding:30px 0}.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.guard{display:flex;align-items:center;gap:11px;border-right:1px solid #393d42;padding-right:12px}.guard:last-child{border:0}.guard i{width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:#2a4c49;color:#8fe0d6;font-style:normal}.guard b{font-size:14px}.guard small{display:block;color:#b4b0a7;font-size:12px}.closing{background:var(--signal);color:#fff;padding:78px 0}.closing-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:55px;align-items:start}.closing h2{font-size:38px;margin:13px 0}.closing p{color:#ffe4d1;max-width:490px}.closing .phone{display:block;font-size:25px;font-weight:800;margin-top:25px}.booking-form{background:var(--card);color:var(--ink);border-radius:14px;padding:24px;display:grid;grid-template-columns:1fr 1fr;gap:14px;box-shadow:var(--shadow)}.booking-form label{font-size:13px;font-weight:700}.booking-form input,.booking-form select{width:100%;height:44px;border:1px solid var(--line);border-radius:8px;background:#faf7f0;padding:0 12px;margin-top:5px;color:var(--ink)}.booking-form .full{grid-column:1/-1}.booking-form .btn{width:100%;margin-top:4px}.form-note{font-size:12px;color:var(--mute);font-weight:400}.footer{background:var(--asphalt);color:#d7d2c8;padding:60px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px;border-bottom:1px solid #34373b}.footer h3{font-size:15px;color:#fff;margin-bottom:16px}.footer p,.footer li,.footer a{font-size:13px;color:#a8a59d}.footer li{margin:8px 0}.footer a:hover{color:var(--amber)}.footer-brand p{max-width:260px;margin-top:14px;line-height:1.8}.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:21px;color:#85837d;font-size:12px}.sticky-cta{position:fixed;right:22px;bottom:22px;z-index:25;background:var(--ink);color:#fff;border:1px solid #414348;border-radius:999px;padding:9px 10px 9px 18px;display:flex;gap:15px;align-items:center;box-shadow:0 8px 25px rgba(0,0,0,.22);transform:translateY(130%);transition:.3s}.sticky-cta.show{transform:translateY(0)}.sticky-cta strong{font-size:13px}.sticky-cta a{color:var(--amber);font-weight:700;font-size:14px}.mobile-bottom{display:none}
@media(max-width:1024px){.nav-links{gap:14px}.nav-links a{font-size:13px}.section{padding:75px 0}.advantage-grid{grid-template-columns:repeat(2,1fr)}.review-grid{grid-template-columns:repeat(2,1fr)}.news-list{grid-template-columns:repeat(2,1fr)}.scene-wrap{grid-template-columns:1fr}.scene-feature{min-height:330px}.hero-content{padding-top:90px}.slider-controls{right:24px}}
@media(max-width:768px){.container{width:min(100% - 34px,var(--max))}.topbar{height:44px}.topbar-inner{height:44px}.top-info span{display:none}.top-info{gap:12px}.top-cta{display:none}.brand{font-size:14px}.navrow{height:60px}.nav-action{display:none}.nav-links{display:none}.mobile-brand{display:flex}.menu-toggle{display:block}.nav-inner{justify-content:space-between}.hero{min-height:700px}.hero-content{padding:80px 0 130px}.hero h1{font-size:36px}.hero-copy{font-size:16px}.hero-convert{bottom:18px;display:block;padding:13px 16px}.convert-items{gap:11px;justify-content:space-between;margin-bottom:10px}.convert-items strong{font-size:10px}.hero-convert .btn{width:100%;min-height:40px}.dots{bottom:115px}.slider-controls{top:auto;bottom:120px;right:20px}.evidence-grid{grid-template-columns:1fr}.evidence-item{padding:15px 20px}.split{grid-template-columns:1fr;gap:32px}.split-media{order:0}.split-media img{height:320px}.media-note{right:10px}.split-copy{order:1}.service-layout{grid-template-columns:1fr;grid-template-rows:auto}.product-card.main-product{grid-row:auto;min-height:370px}.product-card.small-one,.product-card.small-two{min-height:210px}.case-grid,.stories-grid{grid-template-columns:1fr}.case-item{padding:20px}.stats-grid{grid-template-columns:repeat(2,1fr);gap:25px}.stat{border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid #3b3e42;padding-bottom:20px}.timeline{grid-template-columns:1fr 1fr;gap:30px}.step:not(:last-child):after{display:none}.guard-grid{grid-template-columns:repeat(2,1fr)}.guard{border:0}.closing-grid{grid-template-columns:1fr;gap:30px}.footer-grid{grid-template-columns:1fr 1fr}.sticky-cta{display:none}.mobile-bottom{display:flex;position:fixed;z-index:30;bottom:0;left:0;right:0;background:var(--ink);padding:10px 14px calc(10px + env(safe-area-inset-bottom));align-items:center;justify-content:space-between;color:#fff}.mobile-bottom span{font-size:13px}.mobile-bottom a{background:var(--amber);color:var(--ink);border-radius:999px;padding:8px 17px;font-weight:800;font-size:13px}}
@media(max-width:520px){body{font-size:15px}.section{padding:60px 0}.section-head{display:block;margin-bottom:27px}.section-head p{margin-top:12px}.hero h1{font-size:31px}.hero-content{padding-top:65px}.hero-trust{gap:10px;display:grid;grid-template-columns:1fr 1fr}.hero-actions{flex-direction:column;max-width:270px}.hero-actions .btn{width:100%}.convert-items{font-size:12px}.convert-items a:nth-child(3){display:none}.advantage-grid,.review-grid,.news-list{grid-template-columns:1fr}.advantage-card{grid-template-columns:50px 1fr;padding:17px}.advantage-card img{width:50px;height:50px}.compare-row{display:block;padding:15px}.compare-row>div{padding:8px 13px}.compare-row .head{display:inline-block;border-radius:5px}.compare-row .label{font-size:15px}.compare-row .highlight{margin-top:5px;border-radius:5px}.compare-row>div:nth-child(3){background:#f3f0e9;border-radius:5px}.timeline{grid-template-columns:1fr}.step{display:grid;grid-template-columns:40px 1fr;column-gap:13px}.step-num{grid-row:span 2}.step h3{align-self:end}.step p{align-self:start}.guard-grid{grid-template-columns:1fr 1fr;gap:18px 8px}.guard{display:block}.guard i{margin-bottom:7px}.booking-form{grid-template-columns:1fr;padding:17px}.booking-form .full{grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}.copyright{display:block;padding-bottom:60px}.copyright span{display:block;margin-top:7px}.brand-mark{width:24px}.topbar .brand{max-width:210px}.scene-feature{min-height:300px;padding:23px}.scene-feature h3{font-size:24px}}

@media(max-width:768px){.nav-links.mobile-open{display:flex;position:absolute;top:60px;left:0;right:0;height:auto;background:var(--card);padding:10px 17px 18px;flex-direction:column;align-items:stretch;gap:0;box-shadow:var(--shadow);border-bottom:1px solid var(--line)}.nav-links.mobile-open a{height:48px;border-bottom:1px solid var(--line);font-size:15px}.nav-links.mobile-open a:after{display:none}}