/* roulang page: index */
:root{
  --primary:#FF5C3A;
  --primary-hover:#E64A2A;
  --secondary:#0F6B5F;
  --secondary-dark:#0A4942;
  --bg:#F7F2EA;
  --bg-card:#FFFFFF;
  --bg-soft:#EFE7DC;
  --heading:#14333B;
  --text:#35464B;
  --muted:#728285;
  --line:#E4DACE;
  --radius-lg:20px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow:0 12px 30px rgba(20,51,59,0.10);
  --shadow-hover:0 18px 42px rgba(20,51,59,0.18);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.9;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
section{padding:clamp(80px,8vh,120px) 0;position:relative}
.section-head{margin-bottom:clamp(36px,5vw,64px)}
.section-head .eyebrow{display:inline-block;background:rgba(255,92,58,.12);color:var(--primary-hover);font-size:14px;font-weight:700;padding:6px 16px;border-radius:var(--radius-pill);margin-bottom:16px}
.section-head h2{font-size:clamp(30px,4vw,44px);font-weight:800;color:var(--heading);line-height:1.25;letter-spacing:-.02em}
.section-head p{max-width:720px;color:var(--muted);font-size:16px;margin-top:12px}
.section-head.center{text-align:center}
.section-head.center p{margin-left:auto;margin-right:auto}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:var(--radius-md);font-weight:700;padding:14px 26px;cursor:pointer;transition:background .25s,transform .25s,box-shadow .25s,color .25s;line-height:1.2}
.btn:focus-visible{outline:3px solid rgba(255,92,58,.4);outline-offset:2px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-ghost{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-ghost:hover{background:var(--secondary);border-color:var(--secondary);color:#fff;transform:translateY(-2px)}
.btn-dark{background:var(--secondary-dark);color:#fff}
.btn-dark:hover{background:var(--heading);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-light{background:#fff;color:var(--secondary-dark)}
.btn-light:hover{background:var(--bg-soft);color:var(--heading);transform:translateY(-2px)}

/* 导航 */
.site-header{width:100%;background:linear-gradient(120deg,#0A4942 0%,#166B5D 52%,#D8562F 100%);color:#fff;position:relative;z-index:50;box-shadow:0 8px 24px rgba(10,73,66,.18)}
.nav-flex{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;position:relative;padding:16px 0}
.nav-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:22px;font-weight:900;letter-spacing:.02em;line-height:1}
.nav-logo span.logo-mark{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.16);display:inline-flex;align-items:center;justify-content:center;font-size:18px}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-links a{display:inline-block;color:rgba(255,255,255,.9);padding:10px 18px;border-radius:var(--radius-pill);font-weight:600;transition:background .25s,color .25s}
.nav-links a:hover{background:rgba(255,255,255,.16);color:#fff}
.nav-links a.active{background:rgba(255,255,255,.24);color:#fff}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-cta .btn{background:#fff;color:var(--secondary-dark)}
.nav-cta .btn:hover{background:#FFD8B5;color:var(--heading);transform:translateY(-1px)}
.nav-toggle{display:none;background:rgba(255,255,255,.14);border:none;color:#fff;padding:8px 14px;border-radius:10px;cursor:pointer}

/* Hero */
.hero{position:relative;background:linear-gradient(120deg,#082F3A 0%,#145E57 58%,#3D3A2E 100%);color:#fff;padding:clamp(72px,12vh,140px) 0 70px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;opacity:.22}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,47,58,.94) 5%,rgba(8,47,58,.72) 60%,rgba(20,94,87,.5))}
.hero-body{position:relative;z-index:3}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:54px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.15);backdrop-filter:blur(6px);padding:8px 16px;border-radius:var(--radius-pill);font-size:14px;font-weight:700;color:#fff}
.hero-h1{font-size:clamp(40px,6vw,68px);line-height:1.12;font-weight:900;color:#fff;max-width:760px;margin:20px 0 22px;letter-spacing:-.02em}
.hero-sub{font-size:clamp(17px,2.2vw,20px);line-height:1.85;color:rgba(255,255,255,.86);max-width:680px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px}
.hero-points{display:flex;flex-wrap:wrap;gap:18px 28px;margin-top:36px;padding-top:24px;border-top:1px solid rgba(255,255,255,.18);font-size:14px;color:rgba(255,255,255,.88)}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:#FF7A55;flex:none}
.hero-stage{position:relative;z-index:1}
.stage-vcard{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:24px;padding:28px;backdrop-filter:blur(8px);box-shadow:0 16px 48px rgba(0,0,0,.16)}
.stage-vcard .play-row{display:flex;align-items:center;gap:15px;margin-bottom:20px}
.play-symbol{width:50px;height:50px;border-radius:50%;background:#fff;color:var(--secondary-dark);display:inline-flex;align-items:center;justify-content:center;font-size:17px;cursor:pointer;box-shadow:0 8px 18px rgba(0,0,0,.18);transition:transform .25s}
.play-symbol:hover{transform:scale(1.08)}
.stage-vcard .play-text{font-size:15px;font-weight:700;color:#fff;line-height:1.5}
.stage-vcard small{color:rgba(255,255,255,.76)}
.stage-mini{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.stage-mini span{background:rgba(255,255,255,.12);border-radius:14px;padding:10px 12px;text-align:center;font-size:13px;font-weight:600}

/* 首页栏目轨道 */
.library-section{background:var(--bg)}
.area-title{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-bottom:36px}
.area-title h2{font-size:clamp(28px,4vw,44px);font-weight:800;color:var(--heading)}
.area-title p{color:var(--muted);max-width:460px}
.grid-service{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.card-item{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:0;overflow:hidden;transition:box-shadow .25s,transform .25s}
.card-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.card-img{width:100%;height:190px;object-fit:cover;background:var(--bg-soft)}
.card-img.ratio-wide{height:210px}
.card-content{padding:26px}
.card-tag{display:inline-block;font-size:13px;font-weight:700;color:var(--secondary);background:rgba(15,107,95,.1);padding:4px 12px;border-radius:var(--radius-pill);margin-bottom:10px}
.card-content h3{font-size:22px;font-weight:800;color:var(--heading);line-height:1.4;margin-bottom:10px}
.card-content p{color:var(--muted);font-size:15px}
.card-content .card-list{margin-top:14px;display:grid;gap:8px}
.card-content .card-list li{position:relative;padding-left:20px;font-size:14px}
.card-content .card-list li::before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:800}
.grid-col-7{grid-column:span 7}
.grid-col-5{grid-column:span 5}
.grid-col-4{grid-column:span 4}
.grid-col-6{grid-column:span 6}
.grid-col-12{grid-column:span 12}
.full-strip{margin-top:24px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:20px;background:var(--secondary-dark);color:#fff}
.full-strip .strip-copy{padding:28px}
.full-strip .strip-btn{padding-right:28px}
.full-strip h3{font-size:22px;color:#fff}
.full-strip p{color:rgba(255,255,255,.85);font-size:15px}

/* 数据区 */
.stats-area{background:var(--secondary-dark);color:#fff}
.stats-area .section-head h2{color:#fff}
.stats-area .section-head p{color:rgba(255,255,255,.72)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-cell{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:30px;text-align:center}
.stat-num{font-size:clamp(44px,6vw,68px);font-weight:900;color:#fff;line-height:1}
.stat-cell em{display:inline-block;background:var(--primary);border-radius:var(--radius-pill);font-style:normal;font-size:12px;font-weight:700;padding:3px 12px;margin-left:6px}
.stat-lab{color:rgba(255,255,255,.84);font-weight:600;font-size:16px;margin-top:14px}
.stat-sub{color:rgba(255,255,255,.62);font-size:14px;margin-top:6px}

/* 案例区 */
.case-area{background:var(--bg-soft)}
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.case-item{display:grid;grid-template-columns:220px 1fr;background:#fff;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);transition:box-shadow .25s,transform .25s}
.case-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.case-item .case-photo{position:relative;min-height:200px}
.case-item .case-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.case-item .case-copy{padding:26px}
.case-step{display:inline-block;font-size:12px;font-weight:800;color:var(--primary-hover);background:rgba(255,92,58,.09);border-radius:var(--radius-pill);padding:4px 12px;margin-bottom:10px}
.case-copy h3{font-size:22px;color:var(--heading);margin-bottom:10px;line-height:1.4}
.case-copy p{color:var(--muted);font-size:15px}
.case-copy ul{margin-top:14px;display:grid;gap:7px}
.case-copy li{font-size:14px;display:flex;gap:10px}
.case-copy li::before{content:"▸";flex:none;color:var(--secondary);font-weight:700}

/* 方案区块 */
.path-block{background:var(--secondary-dark);color:#fff;border-radius:var(--radius-lg);padding:clamp(30px,5vw,56px)}
.path-grid{max-width:980px;margin:0 auto;display:grid;gap:0}
.path-row{display:grid;grid-template-columns:96px 1fr;gap:30px;position:relative}
.path-row:not(:last-child){padding-bottom:44px}
.path-row:not(:last-child)::after{content:"";position:absolute;left:33px;top:80px;width:2px;height:calc(100% - 96px);background:rgba(255,255,255,.22)}
.step-no{width:66px;height:66px;border-radius:50%;background:#fff;color:var(--secondary-dark);display:flex;align-items:center;justify-content:center;font-size:30px;font-weight:900;box-shadow:0 10px 26px rgba(0,0,0,.14)}
.path-main h3{color:#fff;font-size:25px;margin-bottom:8px}
.path-main p{color:rgba(255,255,255,.8);font-size:16px}
.path-main ul{margin-top:12px;display:flex;flex-wrap:wrap;gap:10px}
.path-main li{background:rgba(255,255,255,.12);border-radius:var(--radius-pill);font-size:13px;padding:4px 12px}
.path-note{margin-top:40px;text-align:center;font-size:18px;font-weight:700;background:rgba(255,255,255,.12);border-radius:var(--radius-pill);display:inline-block;padding:12px 28px;color:#fff}

/* FAQ */
.faq-area{background:var(--bg)}
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:0 4px 12px rgba(20,51,59,.04);overflow:hidden;transition:box-shadow .25s}
.faq-item:hover{box-shadow:var(--shadow)}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;width:100%;text-align:left;background:transparent;border:none;padding:20px 24px;font-size:17px;font-weight:700;color:var(--heading);cursor:pointer;line-height:1.5}
.faq-icon{flex:none;width:26px;height:26px;border-radius:50%;background:rgba(255,92,58,.1);color:var(--primary-hover);display:inline-flex;align-items:center;justify-content:center;transition:transform .3s;font-weight:800;font-size:18px}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--secondary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 24px 22px;color:var(--muted);font-size:15px;border-top:1px dashed var(--line);margin:0 24px;padding-top:16px;margin-top:0}
.faq-item.open .faq-a{max-height:400px}

/* 联系区 */
.contact-area{background:linear-gradient(180deg,#F7F2EA 0%,#EFE7DC 100%)}
.contact-wrap{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:34px;align-items:stretch}
.contact-note{background:var(--secondary-dark);color:#fff;border-radius:var(--radius-lg);padding:34px}
.contact-note h3{font-size:26px;margin-bottom:14px;color:#fff;line-height:1.4}
.contact-note p{color:rgba(255,255,255,.84)}
.contact-note .contact-list{margin-top:20px;display:grid;gap:12px}
.contact-note .contact-list li{display:flex;gap:12px;background:rgba(255,255,255,.08);border-radius:14px;padding:12px 14px;font-size:15px}
.contact-form-card{background:#fff;border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-item{margin-bottom:18px;display:grid;gap:8px}
.form-item label{font-weight:700;color:var(--heading);font-size:15px}
.form-item input,.form-item select,.form-item textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-md);padding:13px 16px;color:var(--heading);transition:border .25s,box-shadow .25s}
.form-item input:focus,.form-item textarea:focus,.form-item select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,92,58,.15)}
textarea{min-height:120px;resize:vertical}
.submit-line{margin-top:14px}
.fine-print{margin-top:12px;font-size:13px;color:var(--muted)}

/* CTA 条 */
.cta-banner{background:linear-gradient(110deg,#0A4942 0%,#0F6B5F 50%,#D8562F 100%);color:#fff;border-radius:var(--radius-lg);padding:clamp(26px,4vw,44px);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px;box-shadow:var(--shadow)}
.cta-banner h3{color:#fff;font-size:24px}
.cta-banner p{color:rgba(255,255,255,.88)}

/* 页脚 */
.site-footer{background:var(--heading);color:rgba(255,255,255,.84);padding:50px 0 24px}
.footer-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:28px;padding-bottom:26px}
.footer-brand{max-width:330px}
.footer-brand a{font-size:22px;font-weight:900;color:#fff;display:inline-flex;gap:8px;align-items:center}
.footer-brand p{margin-top:12px;font-size:14px;color:rgba(255,255,255,.65)}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px;background:var(--primary);display:inline-flex;align-items:center;justify-content:center;font-size:16px}
.footer-links{display:flex;gap:44px;flex-wrap:wrap}
.footer-links h5{color:#fff;font-size:15px;margin-bottom:10px}
.footer-links ul{display:grid;gap:8px;font-size:14px}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-bottom{border-top:1px solid rgba(255,255,255,.16);padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.54)}

/* 移动端 */
@media (max-width:980px){
 .nav-links{order:3;width:100%;display:none;flex-direction:column;align-items:stretch;padding-bottom:14px}
 .nav-links.open{display:flex}
 .nav-toggle{display:inline-flex}
 .hero-grid{grid-template-columns:1fr}
 .grid-col-7,.grid-col-5,.grid-col-4,.grid-col-6{grid-column:span 12}
 .case-grid{grid-template-columns:1fr}
 .stat-grid{grid-template-columns:1fr 1fr}
 .contact-wrap{grid-template-columns:1fr}
 .form-row{grid-template-columns:1fr}
 .case-item{grid-template-columns:1fr}
 .play-symbol{display:none}
}
@media (max-width:640px){
 .container{padding-left:16px;padding-right:16px}
 section{padding:64px 0}
 .hero-h1{font-size:38px}
 .stat-grid{grid-template-columns:1fr 1fr;gap:14px}
 .stat-cell{padding:20px}
 .full-strip{grid-template-columns:1fr}
 .path-row{grid-template-columns:66px 1fr;gap:18px}
 .path-row:not(:last-child)::after{left:23px}
 .step-no{width:46px;height:46px;font-size:22px}
 .nav-flex{padding:12px 0}
 .footer-top{flex-direction:column}
 .footer-links{flex-direction:column;gap:20px}
}

/* roulang page: category1 */
:root{
  --primary:#FF5C3A;
  --primary-hover:#E64A2A;
  --secondary:#0F6B5F;
  --secondary-dark:#0A4942;
  --bg:#F7F2EA;
  --bg-card:#FFFFFF;
  --bg-soft:#EFE7DC;
  --heading:#14333B;
  --text:#35464B;
  --muted:#728285;
  --line:#E4DACE;
  --radius-lg:20px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow:0 12px 30px rgba(20,51,59,0.10);
  --shadow-hover:0 18px 42px rgba(20,51,59,0.18);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
html{scroll-behavior:smooth;font-size:16px}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.9;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit}
ul,ol,li,h1,h2,h3,h4,h5,p,figure{margin:0;padding:0}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.grid-x{max-width:none}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:var(--radius-md);font-weight:700;padding:14px 26px;cursor:pointer;transition:background .25s,transform .25s,box-shadow .25s,color .25s;line-height:1.2}
.btn:focus-visible{outline:3px solid rgba(255,92,58,.4);outline-offset:2px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-white{background:#fff;color:var(--secondary-dark)}
.btn-white:hover{background:#FFD8B5;color:var(--heading);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.78)}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--secondary-dark)}
.btn-light:hover{background:var(--bg-soft);color:var(--heading);transform:translateY(-2px)}
.btn-dark{background:var(--secondary-dark);color:#fff}
.btn-dark:hover{background:var(--heading);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-sm{padding:10px 18px;font-size:14px}

/* 导航 */
.site-header{width:100%;background:linear-gradient(120deg,#0A4942 0%,#166B5D 52%,#D8562F 100%);color:#fff;position:relative;z-index:60;box-shadow:0 8px 24px rgba(10,73,66,.18)}
.nav-flex{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;position:relative;padding:16px 0}
.nav-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:22px;font-weight:900;letter-spacing:.02em;line-height:1;outline:none}
.nav-logo .logo-mark{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.16);display:inline-flex;align-items:center;justify-content:center;font-size:18px;transition:background .25s}
.nav-logo:hover .logo-mark{background:rgba(255,255,255,.3)}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-links a{display:inline-block;color:rgba(255,255,255,.9);padding:10px 18px;border-radius:var(--radius-pill);font-weight:600;transition:background .25s,color .25s}
.nav-links a:hover{background:rgba(255,255,255,.16);color:#fff}
.nav-links a.active{background:rgba(255,255,255,.24);color:#fff}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:rgba(255,255,255,.14);border:none;color:#fff;padding:8px 14px;border-radius:10px;cursor:pointer;font-size:18px}

/* 分类页头 */
.page-head{position:relative;background:linear-gradient(115deg,#082F3A 0%,#145E57 55%,#37473B 100%);color:#fff;padding:72px 0 84px;overflow:hidden;z-index:1}
.page-head-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;opacity:.28}
.page-head-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,47,58,.95) 16%,rgba(13,72,66,.76) 68%,rgba(72,66,48,.44));z-index:1}
.page-head-inner{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.9);transition:color .2s,border-color .2s;border-bottom:1px solid transparent}
.breadcrumb a:hover{color:#FFB999;border-color:rgba(255,185,153,.6)}
.breadcrumb i{font-size:11px;opacity:.8}
.page-h1{font-size:clamp(34px,5vw,52px);font-weight:900;line-height:1.18;color:#fff;letter-spacing:-.025em;max-width:830px}
.page-head-lead{max-width:720px;color:rgba(255,255,255,.88);font-size:clamp(16px,2vw,19px);margin-top:18px;line-height:1.9}
.head-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* 区块通用 */
.section{padding:clamp(72px,8vh,110px) 0;position:relative}
.section-soft{background:var(--bg-soft)}
.section-white{background:#fff}
.section-main{background:var(--bg)}
.section-head{margin-bottom:clamp(34px,5vw,60px)}
.eyebrow{display:inline-block;background:rgba(255,92,58,.12);color:var(--primary-hover);font-size:14px;font-weight:700;padding:6px 16px;border-radius:var(--radius-pill);margin-bottom:14px}
.section-head h2, .stitle{font-size:clamp(28px,4vw,40px);font-weight:800;color:var(--heading);line-height:1.25;letter-spacing:-.02em}
.section-lead{max-width:760px;color:var(--muted);margin-top:12px;font-size:16px}
.section-lead.white{color:rgba(255,255,255,.84)}

/* 分类说明区 */
.intro-card{background:#fff;border-radius:var(--radius-lg);padding:clamp(24px,3vw,42px);box-shadow:var(--shadow);height:100%;border:1px solid rgba(255,255,255,.6)}
.intro-card h2{font-size:clamp(24px,2.8vw,32px);font-weight:800;color:var(--heading);line-height:1.35;margin-top:10px}
.intro-card h2 span{color:var(--primary-hover)}
.intro-card p{color:var(--muted);margin-top:18px;line-height:1.95}
.intro-card .feature-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.intro-card .feature-list li{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:12px 14px;font-size:14px;font-weight:600;color:var(--heading);display:flex;gap:8px;align-items:center}
.intro-card .feature-list li i{color:var(--secondary);font-size:15px}
.intro-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);height:100%;min-height:260px}
.intro-figure img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.intro-figure figcaption{position:absolute;left:16px;right:16px;bottom:16px;background:rgba(10,73,66,.82);color:#fff;border-radius:14px;padding:12px 16px;font-size:14px;font-weight:600;backdrop-filter:blur(6px)}

/* 分类主界面 */
.method-column .side-gap{margin-bottom:18px}
.method-card{background:#fff;border:1px solid rgba(228,218,206,.6);border-radius:var(--radius-lg);padding:clamp(22px,3vw,34px);margin-bottom:20px;box-shadow:0 6px 20px rgba(20,51,59,.06);transition:box-shadow .3s,transform .3s}
.method-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.method-top{display:flex;align-items:flex-start;gap:16px}
.method-num{flex:none;width:44px;height:44px;border-radius:14px;background:var(--secondary-dark);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:900;font-size:18px;margin-top:4px}
.method-content{flex:1}
.method-title{display:block;font-size:clamp(20px,2.4vw,24px);font-weight:800;color:var(--heading);line-height:1.4;letter-spacing:-.01em;margin-bottom:8px}
.method-content p{color:var(--muted);line-height:1.85;font-size:15px}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.tag-chip{display:inline-flex;align-items:center;gap:5px;background:rgba(15,107,95,.09);color:var(--secondary-dark);font-size:13px;font-weight:700;border-radius:999px;padding:5px 12px}
.tag-chip i{font-size:11px;color:var(--secondary)}
.method-steps{margin-top:16px;padding:14px 16px;background:var(--bg);border-radius:14px;display:grid;gap:6px}
.method-steps li{font-size:14px;color:var(--text);display:flex;gap:10px;line-height:1.8}
.method-steps li::before{content:"动作";flex:none;font-size:11px;font-weight:800;color:#fff;background:var(--primary);border-radius:6px;padding:2px 8px;height:22px;display:inline-flex;align-items:center;margin-top:5px}
.method-check{margin-top:12px;display:flex;gap:8px;font-size:13px;color:var(--muted)}
.method-check i{color:var(--secondary);margin-top:4px}
.method-link{display:inline-flex;color:var(--primary-hover);font-size:14px;font-weight:700;gap:6px;margin-top:14px;transition:color .2s,gap .2s}
.method-link:hover{color:var(--secondary-dark);gap:10px}
.method-link i{color:var(--primary)}

/* 侧栏 */
.side-card{background:#fff;border:1px solid rgba(228,218,206,.5);border-radius:var(--radius-lg);padding:26px;box-shadow:0 8px 24px rgba(20,51,59,.08);margin-bottom:20px}
.side-card h3{font-size:19px;font-weight:800;color:var(--heading);display:flex;align-items:center;gap:8px;margin-bottom:16px}
.side-card h3 i{color:var(--primary)}
.path-list li{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}
.path-list li:last-child{border-bottom:none}
.path-list .path-num{flex:none;font-size:11px;font-weight:800;background:var(--secondary-dark);color:#fff;border-radius:50%;width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;transform:translateY(5px)}
.path-list .path-main{font-size:15px;font-weight:700;color:var(--heading)}
.path-list small{display:block;font-size:12px;color:var(--muted);font-weight:400;line-height:1.6}
.hots-list a{background:var(--bg-soft);border:1px solid transparent;padding:9px 14px;border-radius:12px;display:inline-flex;color:var(--text);font-size:14px;font-weight:600;margin:0 4px 8px 0;transition:background .2s,color .2s,border .2s}
.hots-list a:hover{background:var(--secondary-dark);color:#fff;border-color:var(--secondary-dark)}
.cta-box{background:linear-gradient(140deg,var(--secondary-dark) 0%,#0F6B5F 65%,#14514A 100%);border-radius:var(--radius-lg);padding:30px;color:#fff;box-shadow:var(--shadow)}
.cta-box h4{color:#fff;font-size:22px;font-weight:800;line-height:1.4}
.cta-box p{color:rgba(255,255,255,.82);font-size:15px;margin:10px 0 18px}
.cta-white{background:#fff;color:var(--secondary-dark)}
.cta-white:hover{background:#FFDCC5;color:var(--heading);transform:translateY(-2px)}

/* FAQ */
.faq-card{background:#fff;border:1px solid rgba(228,218,206,.5);border-radius:16px;overflow:hidden;margin-bottom:12px;transition:box-shadow .25s,border-color .25s}
.faq-card.open{box-shadow:var(--shadow);border-color:rgba(255,92,58,.25)}
.faq-head{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;background:none;border:none;padding:20px 24px;cursor:pointer;text-align:left;color:var(--heading);font-size:17px;font-weight:700;transition:color .25s}
.faq-head:hover{color:var(--primary-hover)}
.faq-head i{color:var(--primary);font-size:15px;transition:transform .35s;flex:none}
.faq-card.open .faq-head{color:var(--secondary-dark)}
.faq-card.open .faq-head i{transform:rotate(135deg);color:var(--primary-hover)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-answer > div{padding:4px 24px 22px;color:var(--muted);line-height:1.9;font-size:15px}

/* 底部CTA */
.cta-banded{background:var(--secondary-dark);color:#fff;position:relative}
.cta-banded .section-head h2{color:#fff}
.cta-banded .cta-row{display:flex;flex-wrap:wrap;gap:18px}
.contact-actions{display:flex;flex-wrap:wrap;gap:16px}
.hint-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.65)}

/* 页脚 */
.site-footer{background:#0E2A30;color:rgba(255,255,255,.8)}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;padding:58px 0 34px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .brand-mark{width:40px;height:40px;background:rgba(255,255,255,.13);color:#FF8C70;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-size:18px;font-weight:900}
.footer-brand a{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:21px;font-weight:900;margin-bottom:14px}
.footer-brand p{max-width:420px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.65)}
.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.footer-links h5{color:#fff;font-size:16px;margin-bottom:14px;font-weight:700}
.footer-links a{display:block;padding:5px 0;color:rgba(255,255,255,.68);font-size:14px;transition:color .2s,padding-left .2s}
.footer-links a:hover{color:#FFB999;padding-left:5px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;padding:20px 0 28px;font-size:13px;color:rgba(255,255,255,.52)}

/* 移动端适配 */
@media(max-width:900px){
  .nav-links{display:none;width:100%;flex-direction:column;align-items:stretch;padding:8px 0 12px}
  .nav-links.open{display:flex}
  .nav-links a{text-align:left;padding:12px 16px;border-radius:12px}
  .nav-cta{width:100%;padding:4px 0 12px}
  .nav-cta .btn{width:100%}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .footer-top{grid-template-columns:1fr}
  .footer-brand p{max-width:100%}
  .footer-links{grid-template-columns:1fr}
  .page-head{padding:58px 0 68px}
  .intro-figure{min-height:230px;margin-top:28px}
  .intro-card .feature-list{grid-template-columns:1fr}
}
@media(max-width:640px){
  .container{padding-left:16px;padding-right:16px}
  .page-h1{font-size:34px}
  .breadcrumb{font-size:12px}
  .method-top{flex-direction:column;gap:12px}
  .method-num{width:36px;height:36px;font-size:16px}
  .sidebar{margin-top:36px}
  .cta-banded .contact-actions{flex-direction:column}
  .btn{width:auto}
}