/* roulang page: index */
:root{
  --primary:#8b5e34;--primary-light:#a67c52;--primary-dark:#5c3a1e;
  --accent:#d4a574;--gold:#c9a96e;--dark:#1a1410;--dark-alt:#241c14;
  --bg:#faf7f2;--card:#ffffff;--border:#e8dfd2;--text:#1f1b16;--text-weak:#6b6259;
  --radius:1rem;--radius-lg:1.5rem;--shadow:0 6px 30px rgba(0,0,0,.08);--shadow-hover:0 16px 40px rgba(0,0,0,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:color .3s ease}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section-pad{padding:96px 0}
@media(max-width:768px){.section-pad{padding:60px 0}}
/* header */
.header{position:sticky;top:0;z-index:100;background:rgba(13,13,21,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{font-size:1.35rem;font-weight:800;color:#f0e6d2;letter-spacing:.5px;display:flex;align-items:center;gap:10px}
.logo i{color:var(--gold);font-size:1.2rem}
.logo .logo-sub{display:block;font-size:.68rem;color:#9a9386;font-weight:400;letter-spacing:1px;margin-top:-2px}
.nav{display:flex;align-items:center;gap:32px}
.nav a{color:#bfb8a8;font-size:.95rem;font-weight:500;position:relative;padding:6px 2px}
.nav a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--gold);border-radius:2px;transition:width .3s ease}
.nav a:hover{color:#f0e6d2}
.nav a:hover::after{width:100%}
.nav a.active{color:#f0e6d2}
.nav a.active::after{width:100%}
.nav-cta{background:linear-gradient(135deg,var(--gold),#a9874f);color:#1a1410!important;padding:10px 24px!important;border-radius:50px;font-weight:700;font-size:.9rem;transition:transform .3s ease,box-shadow .3s ease}
.nav-cta::after{display:none}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(201,169,110,.4)}
.burger{display:none;flex-direction:column;gap:5px;background:transparent;border:none;padding:8px;cursor:pointer}
.burger span{display:block;width:26px;height:2px;background:#f0e6d2;border-radius:2px;transition:all .3s ease}
@media(max-width:768px){
  .nav{position:fixed;top:76px;left:0;right:0;background:rgba(13,13,21,.98);flex-direction:column;gap:0;padding:20px 24px;transform:translateY(-150%);transition:transform .4s ease;align-items:flex-start;border-bottom:1px solid rgba(255,255,255,.06);max-height:calc(100vh-76px);overflow-y:auto}
  .nav.open{transform:translateY(0)}
  .nav a{padding:14px 0;width:100%;border-bottom:1px solid rgba(255,255,255,.04)}
  .nav-cta{margin-top:16px;text-align:center;width:100%}
  .burger{display:flex}
}
/* hero */
.hero{position:relative;background:url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;min-height:88vh;display:flex;align-items:center;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,8,6,.88) 0%,rgba(10,8,6,.65) 40%,rgba(10,8,6,.3) 100%)}
.hero .container{position:relative;z-index:2;padding-top:80px;padding-bottom:80px}
.hero-tag{display:inline-block;background:rgba(201,169,110,.18);border:1px solid rgba(201,169,110,.4);color:var(--gold);font-size:.82rem;font-weight:600;padding:6px 18px;border-radius:50px;letter-spacing:1px;margin-bottom:24px;backdrop-filter:blur(6px)}
.hero h1{font-size:clamp(1.8rem,4.2vw,3.2rem);color:#faf5ec;font-weight:900;line-height:1.25;max-width:780px;text-shadow:0 2px 20px rgba(0,0,0,.5)}
.hero h1 .highlight{color:var(--gold);position:relative}
.hero-desc{color:#d9cfc0;font-size:1.05rem;max-width:600px;margin-top:24px;line-height:1.8;text-shadow:0 1px 8px rgba(0,0,0,.5)}
.hero-cta{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;border-radius:50px;font-weight:700;font-size:.95rem;transition:all .3s ease;border:none}
.btn-gold{background:linear-gradient(135deg,var(--gold),#a9874f);color:#1a1410;box-shadow:0 8px 24px rgba(201,169,110,.3)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(201,169,110,.5)}
.btn-outline{background:transparent;border:2px solid rgba(232,224,208,.5);color:#f0e6d2}
.btn-outline:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-3px)}
.hero-data{display:flex;gap:40px;margin-top:52px;flex-wrap:wrap}
.hero-data-item{text-align:center}
.hero-data-item .num{font-size:2rem;font-weight:900;color:var(--gold);line-height:1.2}
.hero-data-item .label{font-size:.85rem;color:#a89e91;margin-top:4px}
@media(max-width:768px){
  .hero{min-height:auto}
  .hero .container{padding-top:60px;padding-bottom:60px}
  .hero-data{gap:24px;margin-top:36px}
  .hero-data-item .num{font-size:1.5rem}
}
/* stats band */
.stats-band{background:linear-gradient(135deg,#0d0d15,#1a1410);padding:40px 0;border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.stats-item{text-align:center;padding:20px 8px;border-radius:var(--radius);background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.04)}
.stats-item .icon{font-size:1.4rem;color:var(--gold);margin-bottom:8px}
.stats-item .num{font-size:1.8rem;font-weight:900;color:#f0e6d2}
.stats-item .label{font-size:.85rem;color:#8d8580;margin-top:6px}
@media(max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.stats-grid{grid-template-columns:1fr 1fr}}
/* section headers */
.section-head{max-width:640px;margin-bottom:56px}
.section-head h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:900;line-height:1.3;color:var(--text)}
.section-head p{margin-top:14px;color:var(--text-weak);font-size:1rem;line-height:1.7}
.section-head .section-tag{display:inline-block;background:rgba(139,94,52,.1);color:var(--primary);font-size:.78rem;font-weight:700;padding:4px 14px;border-radius:50px;letter-spacing:1px;margin-bottom:12px;text-transform:uppercase}
/* features */
.features{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:48px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.features-left h2{font-size:1.8rem;font-weight:900;line-height:1.3}
.features-left p{margin-top:16px;color:var(--text-weak);line-height:1.8}
.features-left .feature-points{margin-top:28px;display:flex;flex-direction:column;gap:14px}
.feature-point{display:flex;align-items:center;gap:12px;font-size:.95rem;color:var(--text)}
.feature-point i{color:var(--gold);font-size:1.1rem}
.features-right{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.feature-card{background:#faf7f2;border:1px solid var(--border);border-radius:var(--radius);padding:28px 22px;transition:all .3s ease}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--gold)}
.feature-card .icon-wrap{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--gold),#a9874f);display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:#1a1410;margin-bottom:16px}
.feature-card h3{font-size:1.05rem;font-weight:800;margin-bottom:8px}
.feature-card p{font-size:.88rem;color:var(--text-weak);line-height:1.6}
@media(max-width:900px){.features{grid-template-columns:1fr;padding:36px 28px}}
@media(max-width:480px){.features-right{grid-template-columns:1fr}}
/* scene cards */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
@media(max-width:768px){.scene-grid{grid-template-columns:1fr}}
.scene-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);height:340px;transition:transform .4s ease,box-shadow .4s ease}
.scene-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.scene-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.scene-card:hover img{transform:scale(1.06)}
.scene-card .overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(26,20,16,.9) 100%)}
.scene-card .content{position:absolute;bottom:0;left:0;right:0;padding:28px;color:#f8f2ea}
.scene-card .content h3{font-size:1.2rem;font-weight:800;margin-bottom:6px}
.scene-card .content p{font-size:.88rem;opacity:.85;line-height:1.6}
.scene-card .tag{position:absolute;top:16px;left:16px;background:rgba(201,169,110,.9);color:#1a1410;font-size:.75rem;font-weight:700;padding:4px 14px;border-radius:50px;z-index:2}
/* steps */
.steps-section{background:#0d0d15;border-radius:var(--radius-lg);padding:56px;position:relative;overflow:hidden}
.steps-section::before{content:'';position:absolute;top:-40px;right:-40px;width:200px;height:200px;background:radial-gradient(circle,rgba(201,169,110,.15),transparent)}
.steps-section .section-head h2{color:#faf5ec}
.steps-section .section-head p{color:#9a9386}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative}
.steps-grid::before{content:'';position:absolute;top:34px;left:10%;right:10%;height:2px;background:linear-gradient(90deg,rgba(201,169,110,.4),rgba(201,169,110,.1));z-index:0}
.step-item{position:relative;text-align:center;padding:24px 16px;background:rgba(255,255,255,.03);border-radius:var(--radius);border:1px solid rgba(255,255,255,.06);z-index:1;backdrop-filter:blur(6px)}
.step-num{width:68px;height:68px;margin:0 auto 18px;border-radius:50%;background:linear-gradient(135deg,var(--gold),#a9874f);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:1.4rem;color:#1a1410;box-shadow:0 8px 24px rgba(201,169,110,.3)}
.step-item h3{color:#f0e6d2;font-size:1rem;font-weight:800;margin-bottom:8px}
.step-item p{color:#8d8580;font-size:.85rem;line-height:1.6}
@media(max-width:900px){.steps-grid{grid-template-columns:repeat(2,1fr);gap:20px}.steps-grid::before{display:none}}
@media(max-width:480px){.steps-grid{grid-template-columns:1fr}.steps-section{padding:40px 24px}}
/* testimonials */
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
@media(max-width:768px){.testimonial-grid{grid-template-columns:1fr}}
.testimonial-card{background:#fff;border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow);border:1px solid var(--border);transition:all .3s ease;position:relative}
.testimonial-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.testimonial-card .quote{position:absolute;top:24px;right:28px;font-size:3rem;color:rgba(139,94,52,.15);font-family:Georgia,serif;line-height:1}
.testimonial-card .stars{color:var(--gold);font-size:.95rem;margin-bottom:16px;letter-spacing:2px}
.testimonial-card p{font-size:.92rem;color:#4a443e;line-height:1.8;margin-bottom:24px}
.testimonial-card .user{display:flex;align-items:center;gap:12px}
.testimonial-card .user .avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1rem}
.testimonial-card .user .name{font-weight:700;font-size:.92rem}
.testimonial-card .user .meta{font-size:.78rem;color:var(--text-weak)}
/* news */
.news-wrap{display:grid;grid-template-columns:1.6fr 1fr;gap:48px;align-items:start}
@media(max-width:900px){.news-wrap{grid-template-columns:1fr}}
.news-list{display:flex;flex-direction:column}
.news-item{display:flex;align-items:flex-start;gap:16px;padding:20px 0;border-bottom:1px solid var(--border);transition:background .3s ease}
.news-item:last-child{border-bottom:none}
.news-item:hover{background:rgba(139,94,52,.03);padding-left:12px;padding-right:12px;border-radius:12px}
.news-item .date{flex-shrink:0;background:#faf7f2;border:1px solid var(--border);border-radius:12px;text-align:center;padding:10px 14px;min-width:60px}
.news-item .date .day{font-size:1.2rem;font-weight:900;color:var(--primary);display:block;line-height:1.2}
.news-item .date .mon{font-size:.7rem;color:var(--text-weak)}
.news-item .info h4{font-size:.98rem;font-weight:700;margin-bottom:4px;color:var(--text);line-height:1.5}
.news-item .info h4 a:hover{color:var(--primary)}
.news-item .info .excerpt{font-size:.85rem;color:var(--text-weak);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-side{background:#fff;border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow);border:1px solid var(--border)}
.news-side h3{font-size:1.1rem;font-weight:800;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.news-side h3 i{color:var(--gold)}
.side-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.side-tags span{background:#faf7f2;border:1px solid var(--border);padding:6px 14px;border-radius:50px;font-size:.8rem;color:var(--text-weak);cursor:pointer;transition:all .3s ease}
.side-tags span:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.side-hot{display:flex;flex-direction:column;gap:16px}
.hot-item{display:flex;align-items:center;gap:12px;padding:12px;border-radius:12px;background:#faf7f2;border:1px solid var(--border);transition:all .3s ease}
.hot-item:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.hot-item .rank{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--gold),#a9874f);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.8rem;color:#1a1410}
.hot-item .txt{font-size:.85rem;font-weight:600;line-height:1.5}
/* faq */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);margin-bottom:16px;overflow:hidden;transition:box-shadow .3s ease}
.faq-item.open{box-shadow:var(--shadow-hover)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:22px 28px;cursor:pointer;font-weight:700;font-size:1rem;color:var(--text);gap:16px}
.faq-question i{color:var(--primary);transition:transform .3s ease;flex-shrink:0}
.faq-item.open .faq-question i{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;background:#fafaf7;border-top:1px solid transparent}
.faq-item.open .faq-answer{max-height:400px;border-top-color:var(--border)}
.faq-answer p{padding:20px 28px;font-size:.92rem;color:var(--text-weak);line-height:1.8}
/* cta */
.cta-section{position:relative;background:url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;padding:100px 0;text-align:center;border-radius:var(--radius-lg);overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,20,16,.92),rgba(13,13,21,.85))}
.cta-content{position:relative;z-index:2;max-width:640px;margin:0 auto;padding:0 24px}
.cta-content h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:900;color:#faf5ec;line-height:1.3}
.cta-content p{color:#b8aea0;margin-top:18px;font-size:1rem;line-height:1.8}
.cta-content .btn{margin-top:32px}
/* footer */
.footer{background:#0d0d15;padding:80px 0 40px;margin-top:96px;border-top:1px solid rgba(255,255,255,.05)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-logo{font-size:1.3rem;font-weight:800;color:#f0e6d2;display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-logo i{color:var(--gold)}
.footer-desc{font-size:.88rem;color:#8d8580;line-height:1.8;max-width:320px}
.footer h4{font-size:.95rem;font-weight:700;color:#f0e6d2;margin-bottom:18px;letter-spacing:.5px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:.88rem;color:#8d8580;transition:color .3s ease}
.footer-links a:hover{color:var(--gold)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:32px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-bottom p{font-size:.82rem;color:#5c5650}
.footer-bottom .links{display:flex;gap:20px;font-size:.82rem;color:#5c5650}
@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
}
/* reduced motion */
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* roulang page: category1 */
:root {
            --primary: #065f46;
            --primary-light: #10b981;
            --primary-dark: #064e3b;
            --accent: #d97706;
            --accent-light: #f59e0b;
            --bg: #f8fafc;
            --text: #1e293b;
            --text-light: #64748b;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow: 0 4px 20px rgba(0, 0, 0, .06);
            --shadow-lg: 0 10px 40px rgba(0, 0, 0, .12);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Helvetica Neue', 'Microsoft YaHei', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ===== header / nav ===== */
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 10px rgba(0, 0, 0, .03);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 18px;
            color: var(--primary);
            white-space: nowrap;
        }
        .logo i {
            font-size: 24px;
            color: var(--primary-light);
            background: rgba(16, 185, 129, .12);
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .logo-sub {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: var(--text-light);
            letter-spacing: 1px;
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: all .2s;
            white-space: nowrap;
        }
        .nav a:hover {
            background: rgba(16, 185, 129, .08);
            color: var(--primary);
        }
        .nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(6, 95, 70, .25);
        }
        .nav a.active:hover {
            color: #fff;
            background: var(--primary-dark);
        }
        .nav .nav-cta {
            background: linear-gradient(135deg, var(--accent), #f59e0b);
            color: #fff;
            padding: 8px 20px;
            border-radius: 10px;
            box-shadow: 0 4px 14px rgba(217, 119, 6, .3);
            font-weight: 600;
        }
        .nav .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(217, 119, 6, .4);
            color: #fff;
        }
        .burger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
        }
        .burger span {
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all .3s;
        }
        .burger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .burger.open span:nth-child(2) {
            opacity: 0;
        }
        .burger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* ===== buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            padding: 14px 28px;
            border-radius: 14px;
            font-weight: 700;
            font-size: 16px;
            box-shadow: 0 6px 24px rgba(6, 95, 70, .28);
            transition: all .25s;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(6, 95, 70, .36);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid var(--border);
            padding: 12px 24px;
            border-radius: 14px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            transition: all .2s;
            background: rgba(255, 255, 255, .6);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(16, 185, 129, .04);
        }
        .btn-amber {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #fff;
            padding: 12px 24px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 15px;
            box-shadow: 0 4px 16px rgba(217, 119, 6, .3);
            transition: all .2s;
        }
        .btn-amber:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(217, 119, 6, .4);
        }
        /* ===== hero ===== */
        .hero-guide {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, #064e3b 0%, #065f46 50%, #0d9488 100%);
            color: #fff;
            overflow: hidden;
        }
        .hero-guide::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: .18;
            mix-blend-mode: overlay;
        }
        .hero-guide .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .15);
            border: 1px solid rgba(255, 255, 255, .25);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 100px;
            backdrop-filter: blur(8px);
            margin-bottom: 20px;
        }
        .hero-guide h1 {
            font-size: clamp(30px, 4vw, 46px);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, .2);
        }
        .hero-guide .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .85);
            max-width: 520px;
            margin-bottom: 28px;
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .hero-stats .stat-item {
            display: flex;
            flex-direction: column;
        }
        .hero-stats .stat-num {
            font-size: 26px;
            font-weight: 800;
        }
        .hero-stats .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
        }
        /* progress ring */
        .progress-card {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .2);
            backdrop-filter: blur(12px);
            border-radius: 24px;
            padding: 32px;
            text-align: center;
            box-shadow: 0 20px 50px rgba(0, 0, 0, .25);
            max-width: 320px;
            margin-left: auto;
        }
        .progress-ring-wrap {
            position: relative;
            width: 160px;
            height: 160px;
            margin: 0 auto 16px;
        }
        .progress-ring-wrap svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }
        .progress-ring-wrap .ring-text {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        .progress-ring-wrap .ring-num {
            font-size: 36px;
            font-weight: 800;
            line-height: 1;
        }
        .progress-ring-wrap .ring-label {
            font-size: 12px;
            color: rgba(255, 255, 255, .7);
            margin-top: 4px;
        }
        .progress-card .progress-info {
            font-size: 14px;
            color: rgba(255, 255, 255, .8);
        }
        .progress-card .progress-info strong {
            color: #fbbf24;
            font-size: 18px;
        }
        /* tier cards */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 48px;
        }
        .tier-card {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .18);
            backdrop-filter: blur(8px);
            border-radius: 20px;
            padding: 24px;
            transition: all .3s;
        }
        .tier-card:hover {
            background: rgba(255, 255, 255, .14);
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, .18);
        }
        .tier-card .tier-tag {
            font-size: 12px;
            font-weight: 600;
            color: #fbbf24;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .tier-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 6px 0 4px;
        }
        .tier-card .tier-price {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .tier-card .tier-price small {
            font-size: 14px;
            font-weight: 400;
            color: rgba(255, 255, 255, .6);
        }
        .tier-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }
        .tier-card ul li {
            font-size: 14px;
            color: rgba(255, 255, 255, .8);
            padding: 4px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .tier-card ul li i {
            color: #34d399;
            font-size: 12px;
        }
        .tier-card .tier-btn {
            display: block;
            text-align: center;
            padding: 10px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 14px;
            background: rgba(255, 255, 255, .15);
            color: #fff;
            transition: all .2s;
        }
        .tier-card .tier-btn:hover {
            background: #fff;
            color: var(--primary);
        }
        .tier-card.recommend {
            border-color: #fbbf24;
            box-shadow: 0 8px 32px rgba(251, 191, 36, .25);
        }
        .tier-card.recommend .tier-btn {
            background: linear-gradient(135deg, #f59e0b, #d97706);
        }
        .tier-card.recommend .tier-btn:hover {
            background: linear-gradient(135deg, #d97706, #b45309);
            color: #fff;
        }
        /* ===== section ===== */
        .section {
            padding: 72px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
            background: rgba(16, 185, 129, .08);
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: clamp(24px, 3.2vw, 34px);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--text);
        }
        .section-lead {
            font-size: 16px;
            color: var(--text-light);
            max-width: 640px;
            line-height: 1.7;
        }
        /* value cards */
        .value-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .value-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 28px 24px;
            text-align: center;
            transition: all .3s;
            box-shadow: var(--shadow);
        }
        .value-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .value-card .value-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin: 0 auto 16px;
            background: rgba(16, 185, 129, .1);
            color: var(--primary);
        }
        .value-card .value-num {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .value-card .value-label {
            font-size: 14px;
            color: var(--text-light);
            margin-top: 4px;
        }
        .value-card .value-desc {
            font-size: 13px;
            color: var(--text-light);
            margin-top: 8px;
            line-height: 1.6;
        }
        /* module cards */
        .module-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .module-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 28px;
            display: flex;
            gap: 20px;
            transition: all .3s;
            box-shadow: var(--shadow);
        }
        .module-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .module-card .module-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }
        .module-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .module-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        /* scene cards */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .scene-card {
            border-radius: 20px;
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all .3s;
        }
        .scene-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .scene-card .scene-img {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .scene-card .scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }
        .scene-card:hover .scene-img img {
            transform: scale(1.05);
        }
        .scene-card .scene-body {
            padding: 20px;
        }
        .scene-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .scene-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
        }
        /* review */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background: #fff;
            border-radius: 20px;
            padding: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            display: flex;
            flex-direction: column;
        }
        .review-card .review-stars {
            color: #f59e0b;
            font-size: 14px;
            margin-bottom: 14px;
        }
        .review-card p {
            font-size: 14px;
            color: var(--text);
            line-height: 1.8;
            flex: 1;
        }
        .review-card .reviewer {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }
        .review-card .reviewer .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
        }
        .review-card .reviewer .name {
            font-size: 14px;
            font-weight: 600;
        }
        .review-card .reviewer .title {
            font-size: 12px;
            color: var(--text-light);
        }
        /* process */
        .process-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-wrap::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(to right, var(--primary-light), var(--accent));
            z-index: 0;
            opacity: .3;
        }
        .process-step {
            background: #fff;
            border-radius: 20px;
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            position: relative;
            z-index: 1;
            transition: all .3s;
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .process-step .step-num {
            width: 44px;
            height: 44px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(6, 95, 70, .2);
        }
        .process-step h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
        }
        /* faq */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all .2s;
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-item details {
            padding: 20px 24px;
        }
        .faq-item summary {
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--primary-light);
            transition: transform .3s;
        }
        .faq-item details[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding-top: 14px;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            margin-top: 12px;
        }
        /* cta */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(135deg, #064e3b, #0d9488);
            color: #fff;
            overflow: hidden;
            border-radius: 28px;
            margin: 40px auto;
            max-width: 1200px;
            box-shadow: 0 20px 60px rgba(6, 95, 70, .3);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: .15;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(22px, 3vw, 32px);
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, .85);
            max-width: 480px;
            margin: 0 auto 28px;
        }
        /* footer */
        .footer {
            background: #0f172a;
            color: rgba(255, 255, 255, .7);
            padding: 60px 0 24px;
            margin-top: 80px;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-logo i {
            color: var(--primary-light);
            font-size: 22px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            max-width: 340px;
        }
        .footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            transition: color .2s;
        }
        .footer-links a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, .4);
        }
        .footer-bottom .links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom .links a {
            color: rgba(255, 255, 255, .5);
            font-size: 13px;
        }
        .footer-bottom .links a:hover {
            color: #fff;
        }
        /* ===== responsive ===== */
        @media (max-width: 1024px) {
            .value-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-wrap::before {
                display: none;
            }
            .tier-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }
            .progress-card {
                margin: 24px auto 0;
            }
        }
        @media (max-width: 768px) {
            .nav {
                position: fixed;
                top: 72px;
                right: 0;
                width: 260px;
                background: #fff;
                flex-direction: column;
                padding: 20px;
                gap: 6px;
                border-radius: 0 0 0 20px;
                box-shadow: -8px 12px 32px rgba(0, 0, 0, .15);
                transform: translateX(100%);
                transition: transform .3s;
                z-index: 99;
                border-left: 1px solid var(--border);
            }
            .nav.open {
                transform: translateX(0);
            }
            .nav a {
                width: 100%;
                justify-content: center;
            }
            .burger {
                display: flex;
            }
            .tier-grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin-left: auto;
                margin-right: auto;
            }
            .value-grid {
                grid-template-columns: 1fr 1fr;
            }
            .module-grid {
                grid-template-columns: 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin-left: auto;
                margin-right: auto;
            }
            .review-grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin-left: auto;
                margin-right: auto;
            }
            .process-wrap {
                grid-template-columns: 1fr 1fr;
                max-width: 400px;
                margin-left: auto;
                margin-right: auto;
            }
            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .hero-guide {
                padding: 60px 0 40px;
            }
            .hero-stats {
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .value-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .value-card {
                padding: 20px 14px;
            }
            .value-card .value-num {
                font-size: 24px;
            }
            .process-wrap {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 50px 0;
            }
            .module-card {
                flex-direction: column;
                gap: 12px;
                padding: 20px;
            }
            .tier-grid {
                max-width: 320px;
            }
            .progress-card {
                max-width: 100%;
            }
        }