/* roulang page: index */
:root{
  --peach:#EF8177;
  --peach-dark:#D9645C;
  --peach-pale:#FDEAE5;
  --peach-bg:#FFF9F5;
  --cream-soft:#FAEEE9;
  --white-warm:#FFFDFC;
  --plum:#4E3238;
  --rosedark:#3D2729;
  --gold:#F5B95F;
  --ink:#2E2324;
  --muted:#6E5D60;
  --line:rgba(55,34,36,.08);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 8px 24px rgba(78,50,56,.06);
  --shadow-hover:0 16px 36px rgba(211,93,72,.14);
  --ease:cubic-bezier(.22,1,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--peach-bg);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;border:none;outline:none}
::placeholder{color:#a79598}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.row{max-width:1200px;margin:0 auto}
.grid-container{padding-left:24px;padding-right:24px}

/* ===== Header ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:88;background:rgba(255,249,245,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:box-shadow .25s var(--ease),background .25s var(--ease);padding:0}
.site-header.scrolled{box-shadow:0 1px 0 rgba(55,34,36,.06),0 10px 28px rgba(78,50,56,.05)}
.nav-row{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:22px;font-weight:700;letter-spacing:.02em;color:var(--plum);position:relative}
.brand-dot{width:11px;height:11px;border-radius:50%;background:var(--peach);box-shadow:0 0 0 5px rgba(239,129,119,.16)}
.brand-text{line-height:1.2}
.brand-text i{color:var(--peach);font-style:normal}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav > li > a{display:inline-block;padding:10px 15px;border-radius:999px;font-size:15px;font-weight:500;color:#4c3a3c}
.main-nav > li > a:hover{color:var(--peach);background:var(--peach-pale)}
.main-nav > li > a.active{background:var(--peach-pale);color:var(--peach-dark);font-weight:600;position:relative}
.main-nav > li > a.active::after{content:"";position:absolute;left:18px;right:18px;bottom:4px;height:3px;border-radius:99px;background:var(--peach)}
.nav-cta{margin-left:10px}
.btn-header{padding:9px 19px;border-radius:999px;background:var(--peach);color:#fff;font-weight:600;font-size:14px;display:inline-flex;gap:7px;align-items:center;box-shadow:0 6px 15px rgba(239,129,119,.27)}
.btn-header:hover{background:var(--peach-dark);transform:translateY(-1px);color:#fff}
.nav-burger{display:none;width:46px;height:46px;border-radius:50%;background:var(--peach-pale);align-items:center;justify-content:center;cursor:pointer}
.nav-burger span{display:block;width:18px;height:2px;background:var(--plum);margin:3px auto;transition:.25s var(--ease);border-radius:99px}
.nav-burger.open span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.mobile-nav{display:none;background:var(--peach-bg);border-radius:18px;box-shadow:var(--shadow-hover);padding:12px;margin:10px 0 14px}
.mobile-nav li a{display:flex;align-items:center;height:48px;padding:0 14px;border-radius:12px;color:var(--ink);font-weight:500}
.mobile-nav li a.active,.mobile-nav li a:hover{background:var(--peach-pale);color:var(--peach-dark)}

/* ===== Hero ===== */
.hero{position:relative;padding:158px 0 86px;background:linear-gradient(135deg,#fff0ea 0%,var(--peach-bg) 44%,#fbe9e3 100%);overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;opacity:.13;mix-blend-mode:soft-light}
.hero:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(239,129,119,.12);top:-140px;right:-90px;filter:blur(30px)}
.hero-inner{position:relative;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(239,129,119,.13);color:var(--peach-dark);border:1px solid rgba(239,129,119,.2);border-radius:999px;padding:7px 16px;font-size:14px;font-weight:600;line-height:1;letter-spacing:.02em}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--gold)}
.hero h1{font-size:52px;line-height:1.28;font-weight:800;letter-spacing:.01em;color:#242021;margin:24px 0 18px;max-width:640px}
.hero h1 em{color:var(--peach-dark);font-style:normal;position:relative}
.hero-sub{font-size:20px;font-weight:600;color:var(--plum);margin-bottom:14px}
.hero-desc{font-size:16px;color:var(--muted);max-width:560px;line-height:1.9;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;font-weight:600;height:52px;padding:0 28px;font-size:15px;transition:all .22s var(--ease);cursor:pointer}
.btn-primary{background:var(--peach);color:#fff;box-shadow:0 10px 22px rgba(239,129,119,.3)}
.btn-primary:hover{background:var(--peach-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(217,100,92,.3);color:#fff}
.btn-ghost{background:transparent;color:var(--plum);border:1.5px solid rgba(78,50,56,.22)}
.btn-ghost:hover{background:var(--peach-pale);border-color:var(--peach);color:var(--peach-dark)}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:16px;color:var(--muted);font-size:14px;align-items:center}
.hero-meta i{color:var(--peach);margin-right:5px}
.hero-visual{position:relative;text-align:right}
.hero-media{position:relative;border-radius:24px;overflow:hidden;box-shadow:0 28px 60px rgba(61,39,41,.14);border:6px solid rgba(255,255,255,.72);background:#fff}
.hero-media img{width:100%;height:430px;object-fit:cover}
.hero-media-badge{position:absolute;left:16px;bottom:16px;background:rgba(61,39,41,.78);backdrop-filter:blur(8px);color:#fff;padding:9px 16px;border-radius:999px;font-size:13px}
.hero-media-chips{position:absolute;top:18px;right:15px;display:flex;flex-direction:column;gap:8px;text-align:left}
.chip-float{background:rgba(255,255,255,.9);border-radius:14px;padding:9px 13px;font-size:12px;color:var(--plum);font-weight:600;box-shadow:0 8px 20px rgba(61,39,41,.1)}
.chip-float i{color:var(--peach);margin-right:6px}
.hero-quick{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.quick-label{font-size:13px;color:var(--muted);margin-right:4px;font-weight:500;padding-top:2px}
.quick-chip{display:inline-flex;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 15px;font-size:13px;color:var(--plum)}
.quick-chip:hover{background:var(--peach-pale);border-color:rgba(239,129,119,.36);color:var(--peach-dark)}

/* ===== Section basics ===== */
.section{padding:100px 0}
.section-soft{background:var(--cream-soft)}
.section-white{background:var(--white-warm)}
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--peach-dark);margin-bottom:10px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--gold);border-radius:99px}
.section-title{font-size:34px;font-weight:800;line-height:1.4;letter-spacing:-.01em;margin-bottom:16px;color:#262021}
.section-title span{color:var(--peach-dark)}
.lead-text{font-size:16px;color:var(--muted);line-height:1.85}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:52px;flex-wrap:wrap}
.section-head-left{max-width:560px}
.section-head-right{max-width:490px}

/* ===== Feature ===== */
.feature-card{border-radius:20px;background:var(--white-warm);border:1px solid var(--line);padding:32px 28px;position:relative;overflow:hidden;height:100%;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.feature-card::after{content:"";position:absolute;left:0;bottom:0;height:4px;background:var(--peach);width:0;transition:width .35s var(--ease)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.feature-card:hover::after{width:100%}
.feature-icon{width:58px;height:58px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:23px;color:var(--peach-dark);background:linear-gradient(135deg,var(--peach-pale),#ffe1d7);margin-bottom:18px}
.feature-card h3{font-size:19px;font-weight:700;color:var(--plum);margin-bottom:5px}
.feature-card p{font-size:14px;line-height:1.75;color:var(--muted)}
.feature-link{display:inline-flex;align-items:center;color:var(--peach-dark);font-weight:600;font-size:14px;gap:5px;margin-top:15px}
.feature-link:hover{color:var(--peach)}
.pills-row{display:flex;flex-wrap:wrap;gap:9px}
.pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 15px;font-size:13px;color:var(--plum);display:inline-flex;align-items:center;gap:6px}
.pill i{color:var(--gold)}
.deep-strip{background:var(--rosedark);border-radius:20px;padding:28px 26px;color:var(--cream-soft);overflow:hidden;position:relative}
.deep-strip::before{content:"";position:absolute;width:180px;height:180px;background:rgba(239,129,119,.13);border-radius:50%;top:-60px;right:-30px}
.deep-strip h3{color:#fff;font-size:18px;font-weight:700;margin-bottom:6px}
.deep-strip p{color:rgba(255,240,238,.75);font-size:14px;line-height:1.7}
.deep-strip i{color:var(--gold)}
.deep-highlight{display:inline-block;background:rgba(245,185,95,.16);border:1px solid rgba(245,185,95,.25);border-radius:999px;padding:5px 12px;color:#ffe8cf;font-size:12px}
.picture-card{border-radius:20px;overflow:hidden;border:1px solid var(--line);background:#fff;height:100%;transition:box-shadow .25s var(--ease);box-shadow:var(--shadow-card)}
.picture-card:hover{box-shadow:var(--shadow-hover)}
.picture-card img{width:100%;height:200px;object-fit:cover;transition:transform .4s var(--ease)}
.picture-card:hover img{transform:scale(1.03)}
.picture-card-body{padding:24px}
.picture-card-body h3{font-size:17px;font-weight:700;margin-bottom:10px}
.picture-card-body p{color:var(--muted);font-size:14px}
.section-code-list{display:flex;flex-direction:column;gap:22px;counter-reset:code}
.code-item{display:flex;gap:18px;align-items:flex-start;position:relative}
.code-num{width:46px;height:46px;flex:0 0 46px;background:linear-gradient(145deg,var(--peach-pale),#fff);border:1px solid rgba(239,129,119,.18);border-radius:14px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;color:var(--peach-dark)}
.code-title{font-weight:700;font-size:17px;margin-bottom:4px}
.code-text{color:var(--muted);font-size:14px;line-height:1.8}

/* ===== Stats dark ===== */
.stats-section{background:var(--rosedark);padding:72px 0;position:relative;overflow:hidden}
.stats-section::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.jpg') no-repeat center/cover;opacity:.14}
.stats-head{text-align:center;color:#fff;font-size:28px;font-weight:700;margin-bottom:8px;position:relative}
.stats-lead{color:rgba(255,235,233,.72);max-width:520px;margin:8px auto 48px;text-align:center;font-size:15px;position:relative}
.stat-item{text-align:center;padding:22px 10px;position:relative;border-right:1px solid rgba(255,255,255,.08)}
.stat-item:last-child{border-right:none}
.stat-num{display:block;color:var(--gold);font-size:52px;font-weight:800;line-height:1.2;letter-spacing:-.02em}
.stat-text{color:rgba(255,234,232,.82);font-size:14px;margin-top:10px}
.stat-item-sep{width:1px;background:rgba(255,255,255,.08)}

/* ===== Scenario / usecase ===== */
.scenario-wrap{display:grid;grid-template-columns:.86fr 1.14fr;gap:26px;background:var(--white-warm);border:1px solid var(--line);border-radius:22px;padding:36px;box-shadow:var(--shadow-card)}
.scenario-media{border-radius:16px;overflow:hidden;min-height:300px}
.scenario-media img{width:100%;height:100%;object-fit:cover}
.scenario-points{display:flex;flex-direction:column;gap:20px;margin-top:18px}
.scenario-point{display:flex;gap:14px;padding:20px 0;border-bottom:1px dashed rgba(55,34,36,.08)}
.scenario-point:last-child{border-bottom:none;padding-bottom:0}
.scenario-icon{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:var(--peach-pale);color:var(--peach-dark);display:flex;align-items:center;justify-content:center;font-size:16px}
.scenario-title{font-weight:700;margin-bottom:3px}
.scenario-desc{color:var(--muted);font-size:14px}
.scenario-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.scenario-tags span{background:var(--peach-bg);color:var(--plum);font-size:12px;padding:4px 10px;border-radius:99px;border:1px solid var(--line)}

/* ===== Pricing / plan compare ===== */
.compare-card{background:#fff;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow-card);overflow:hidden}
.compare-head{background:#fff;border-bottom:1px solid var(--line);padding:22px 30px}
.compare-head h3{font-size:19px;font-weight:800;color:var(--plum)}
.compare-table{width:100%;font-size:14px;border-collapse:collapse}
.compare-table th{background:var(--rosedark);color:#fff;padding:15px 18px;text-align:center;font-weight:600;font-size:14px}
.compare-table th:first-child{text-align:left}
.compare-table td{padding:14px 18px;text-align:center;border-bottom:1px solid rgba(55,34,36,.06);color:#3a2c2e}
.compare-table tr:nth-child(even) td{background:#fff9f7}
.compare-table td:first-child{font-weight:600;text-align:left}
.compare-true,.compare-false{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;font-size:12px}
.compare-true{background:#e9f5ec;color:#3e9a57}
.compare-false{background:#f7e7e5;color:#c2665f}
.plan-card{background:linear-gradient(160deg,#fff7f2,#ffe9e2);border-radius:24px;padding:36px 32px;position:relative;border:1px solid rgba(239,129,119,.16);overflow:hidden}
.plan-badge{position:absolute;top:20px;right:-46px;background:var(--gold);color:var(--rosedark);transform:rotate(38deg);padding:7px 54px;font-size:12px;font-weight:800}
.plan-card h3{font-size:25px;color:var(--plum);margin-bottom:8px}
.plan-icon{width:80px;height:80px;border-radius:26px;background:rgba(239,129,119,.14);font-size:36px;display:flex;align-items:center;justify-content:center;color:var(--peach-dark);margin-bottom:20px}
.plan-cost{font-size:18px;color:var(--peach-dark);font-weight:800;margin-bottom:4px}
.plan-action{margin-top:26px;display:flex;flex-direction:column;gap:10px}
.plan-action .btn-block{width:100%}
.btn-dark{background:var(--rosedark);color:#fff}
.btn-dark:hover{background:var(--plum);transform:translateY(-2px);color:#fff}
.plan-note{font-size:13px;color:var(--muted);line-height:1.7;margin-top:16px}
.plan-grey-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;margin-top:18px}
.plan-grey-card .plan-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.plan-grey-card h4{font-size:17px;font-weight:700;color:var(--plum)}
.tag-note{background:var(--peach-pale);color:var(--peach-dark);font-size:12px;padding:4px 10px;border-radius:99px;font-weight:600}

/* ===== FAQ ===== */
.faq-panel{max-width:880px;margin:0 auto}
.accordion-item{border:1px solid var(--line);background:#fff;border-radius:14px;margin-bottom:12px;overflow:hidden;transition:box-shadow .22s var(--ease)}
.accordion-item.open{box-shadow:var(--shadow-card);border-color:rgba(239,129,119,.22)}
.accordion-title{cursor:pointer;display:flex;width:100%;align-items:center;justify-content:space-between;text-align:left;padding:22px 26px;background:transparent;font-weight:600;font-size:17px;color:var(--plum);line-height:1.5}
.accordion-title:hover{color:var(--peach-dark)}
.accordion-title .arrow{margin-left:15px;transition:transform .25s var(--ease);color:var(--peach);font-size:16px;flex:0 0 18px}
.open .accordion-title .arrow{transform:rotate(180deg)}
.accordion-copy{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.accordion-copy-inner{padding:0 26px 22px;color:var(--muted);font-size:15px;line-height:1.9;border-top:1px dashed rgba(55,34,36,.05);margin:0 0 0 26px}
.open .accordion-copy{max-height:400px}

/* ===== Contact ===== */
.contact-flex{display:grid;grid-template-columns:1fr 1fr;gap:44px;background:var(--white-warm);border-radius:24px;border:1px solid var(--line);padding:46px;box-shadow:var(--shadow-card)}
.contact-info h3{font-size:24px;margin:12px 0}
.contact-info p{color:var(--muted);margin-bottom:20px;line-height:1.9}
.contact-line{display:flex;align-items:center;gap:12px;margin-bottom:16px;font-size:15px}
.contact-line i{width:44px;height:44px;border-radius:14px;background:var(--peach-pale);display:flex;align-items:center;justify-content:center;color:var(--peach-dark)}
.contact-subinfo{display:flex;gap:22px;margin-top:10px}
.comment-ele{font-size:13px;color:var(--muted)}
.contact-form h3{font-size:22px;margin-bottom:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{grid-column:1/-1}
.input,.textarea{width:100%;background:#fff;border:1.5px solid rgba(55,34,36,.12);border-radius:12px;font-size:15px;padding:13px 16px;color:var(--ink);transition:border .2s var(--ease),box-shadow .2s var(--ease);line-height:1.5}
.input:focus,.textarea:focus{border-color:var(--peach);box-shadow:0 0 0 3px rgba(239,129,119,.13)}
.textarea{min-height:110px;resize:vertical}
.captcha-wrap{display:flex;gap:10px;align-items:center}
.captcha-code{width:90px;height:46px;background:var(--peach-pale);color:var(--peach-dark);border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:800;letter-spacing:4px;cursor:pointer}
.btn-submit{width:100%;background:var(--peach);color:#fff;height:52px;border-radius:12px;font-weight:700;font-size:16px;transition:.2s var(--ease);cursor:pointer;margin-top:8px}
.btn-submit:hover{background:var(--peach-dark)}

/* ===== Footer ===== */
.site-footer{background:#2c1c1e;color:rgba(255,239,238,.76);padding:62px 0 0;font-size:14px;line-height:1.8}
.footer-brand{font-size:22px;font-weight:700;color:#fff;margin-bottom:12px;display:inline-flex;align-items:center;gap:7px}
.footer-brand .dot{width:9px;height:9px;border-radius:50%;background:var(--peach)}
.footer-about{font-size:14px;max-width:320px;color:rgba(255,234,232,.62)}
.footer-heading{color:#fff;font-weight:600;margin-bottom:14px;font-size:16px}
.footer-nav li{margin-bottom:8px}
.footer-nav a{color:rgba(255,234,232,.72)}
.footer-nav a:hover{color:var(--gold)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:24px 0;margin-top:42px;font-size:13px;color:rgba(255,234,232,.5);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.footer-bottom a{color:rgba(255,234,232,.7)}
.footer-bottom a:hover{color:var(--gold)}

/* ===== additional modules ===== */
.partners-row{display:flex;justify-content:center;gap:22px;flex-wrap:wrap;margin-top:26px}
.partner-logo{height:44px;padding:0 22px;background:#fff;border-radius:14px;display:flex;align-items:center;color:var(--muted);font-weight:600;border:1px solid var(--line)}

/* ===== Reveal / animation ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){*{scroll-behavior:auto !important;animation:none !important;transition:none !important}.reveal{opacity:1;transform:none}}

/* ===== responsive ===== */
@media (max-width: 1024px){
.hero{padding:138px 0 66px}
.hero h1{font-size:43px}
.section{padding:80px 0}
}
@media (max-width: 768px){
.nav-cta,.main-nav{display:none}
.nav-burger{display:flex}
.hero{padding:120px 0 56px}
.hero h1{font-size:36px;line-height:1.3}
.hero-desc{font-size:15px}
.section{padding:66px 0}
.section-title{font-size:28px}
.section-head{display:block}
.section-head-right{margin-top:8px}
.hero-media{margin-top:40px;text-align:left}
.feature-card{width:100%}
.scenario-wrap{grid-template-columns:1fr;padding:24px}
.stats-head{font-size:24px}
.contact-flex{grid-template-columns:1fr;padding:26px}
.form-grid{grid-template-columns:1fr}
.placeholder-block{min-height:160px}
.stat-num{font-size:40px}
.deep-strip{padding:22px}
.picture-card{min-width:78%}
}
@media (max-width: 520px){
.container,.grid-container{padding-left:18px;padding-right:18px}
.hero h1{font-size:32px}
.hero-tag{font-size:13px}
.hero-actions .btn{width:100%}
.feature-action button{width:100%}
.section-title{font-size:26px}
.site-footer{padding-top:46px}
.footer-bottom{flex-direction:column}
}

/* roulang page: category1 */
:root{
 --peach:#EF8177;
 --peach-dark:#D9645C;
 --peach-pale:#FDEAE5;
 --peach-bg:#FFF9F5;
 --cream-soft:#FAEEE9;
 --white-warm:#FFFDFC;
 --plum:#4E3238;
 --rosedark:#3D2729;
 --gold:#F5B95F;
 --ink:#2E2324;
 --muted:#6E5D60;
 --line:rgba(55,34,36,.08);
 --radius-lg:20px;
 --radius-md:16px;
 --radius-sm:12px;
 --shadow-card:0 8px 24px rgba(78,50,56,.06);
 --shadow-hover:0 16px 36px rgba(211,93,72,.14);
 --ease:cubic-bezier(.22,1,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--peach-bg);color:var(--ink);line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
button,input,textarea{font-family:inherit;border:none;outline:none}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.grid-container{padding-left:24px;padding-right:24px}
.row{max-width:1200px;margin:0 auto}
::selection{background:var(--peach-pale);color:var(--rosedark)}
:focus-visible{outline:2px solid var(--peach);outline-offset:3px;border-radius:6px}
/* ========== Header ========== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:88;background:rgba(255,249,245,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:box-shadow .25s var(--ease),background .25s var(--ease)}
.site-header.scrolled{box-shadow:0 1px 0 rgba(55,34,36,.06),0 10px 28px rgba(78,50,56,.05)}
.nav-row{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:22px;font-weight:700;letter-spacing:.02em;color:var(--plum);position:relative;flex-shrink:0}
.brand-dot{width:11px;height:11px;border-radius:50%;background:var(--peach);box-shadow:0 0 0 5px rgba(239,129,119,.16)}
.brand-text{line-height:1.2}
.brand-text i{color:var(--peach);font-style:normal}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav > li > a{display:inline-block;padding:10px 15px;border-radius:999px;font-size:15px;font-weight:500;color:#4c3a3c}
.main-nav > li > a:hover{color:var(--peach);background:var(--peach-pale)}
.main-nav > li > a.active{background:var(--peach-pale);color:var(--peach-dark);font-weight:600;position:relative}
.main-nav > li > a.active::after{content:"";position:absolute;left:18px;right:18px;bottom:4px;height:3px;border-radius:99px;background:var(--peach)}
.btn-header{padding:9px 19px;border-radius:999px;background:var(--peach);color:#fff;font-weight:600;font-size:14px;display:inline-flex;gap:7px;align-items:center;box-shadow:0 6px 15px rgba(239,129,119,.27);border:none;cursor:pointer}
.btn-header:hover{background:var(--peach-dark);transform:translateY(-1px);color:#fff}
.nav-burger{display:none;width:46px;height:46px;border-radius:50%;background:var(--peach-pale);align-items:center;justify-content:center;cursor:pointer}
.nav-burger span{display:block;width:18px;height:2px;background:var(--plum);margin:3px auto;transition:.25s var(--ease);border-radius:99px}
.nav-burger.open span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
/* ========== 分类页 Hero ========== */
.cat-hero{position:relative;padding:176px 0 72px;overflow:hidden}
.cat-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;opacity:.2}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,249,245,.92) 0%,#FFF9F5 78%,#FFF9F5 100%)}
.cat-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--peach-dark);font-weight:500}
.breadcrumb a:hover{color:var(--peach)}
.breadcrumb span{opacity:.5}
.cat-hero h1{font-size:42px;line-height:1.32;color:var(--ink);max-width:790px;font-weight:800;margin-bottom:16px}
.cat-hero h1 span{color:var(--peach-dark)}
.cat-hero .lead{font-size:16.5px;color:var(--muted);max-width:740px;line-height:1.9}
.cat-hero-stats{display:flex;gap:34px;margin-top:28px;flex-wrap:wrap}
.cat-hero-stat{display:flex;align-items:baseline;gap:10px}
.cat-hero-stat b{font-size:30px;color:var(--peach-dark);font-weight:800;letter-spacing:-.02em}
.cat-hero-stat span{font-size:14px;color:var(--muted);max-width:130px}
/* ========== 吸顶锚点 ========== */
.anchor-wrap{position:sticky;top:72px;z-index:60;background:rgba(255,249,245,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);box-shadow:0 6px 16px rgba(61,39,41,.03)}
.cat-anchor{display:flex;align-items:center;gap:8px;padding:14px 0;flex-wrap:nowrap;overflow-x:auto}
.cat-anchor::-webkit-scrollbar{height:0}
.cat-anchor .anchor-item{display:inline-flex;align-items:center;gap:7px;padding:10px 22px;border-radius:999px;background:transparent;color:var(--plum);font-weight:600;font-size:14.5px;border:1px solid rgba(78,50,56,.12);white-space:nowrap;transition:.22s var(--ease)}
.cat-anchor .anchor-item:hover{border-color:var(--peach);color:var(--peach-dark);background:var(--peach-pale)}
.cat-anchor .anchor-item.active{background:var(--peach);border-color:var(--peach);color:#fff;box-shadow:0 6px 14px rgba(239,129,119,.28)}
.cat-anchor .anchor-item i{font-size:13px}
/* ========== 章节标题 ========== */
.cat-section{padding:78px 0 30px}
.cat-section--soft{background:var(--white-warm)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head .eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--peach-pale);color:var(--peach-dark);padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.04em}
.sec-head .eyebrow i{color:var(--gold)}
.sec-head h2{font-size:33px;line-height:1.3;color:var(--ink);font-weight:800;margin-top:14px;letter-spacing:-.01em}
.sec-head p{color:var(--muted);font-size:15px;max-width:480px;line-height:1.8}
.sec-head-right{display:flex;align-items:center;gap:10px}
.sec-tag{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;background:var(--cream-soft);color:var(--plum);font-size:13px;font-weight:500}
.sec-tag i{color:var(--peach)}
/* ========== 通用卡片 ========== */
.cat-card{background:var(--white-warm);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);border:1px solid var(--line);transition:transform .24s var(--ease),box-shadow .24s var(--ease);height:100%;display:flex;flex-direction:column}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.cat-card .card-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--cream-soft)}
.cat-card .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.cat-card:hover .card-media img{transform:scale(1.05)}
.card-chip{position:absolute;left:16px;top:16px;display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.92);border-radius:999px;padding:7px 13px;font-size:12.5px;font-weight:700;color:var(--plum);box-shadow:0 4px 12px rgba(61,39,41,.1)}
.card-chip i{color:var(--peach)}
.card-body{padding:26px 26px 24px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:19px;color:var(--ink);font-weight:700;line-height:1.45;margin-bottom:10px}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.8;flex:1}
.card-link{display:inline-flex;align-items:center;gap:8px;color:var(--peach-dark);font-weight:600;font-size:14px;margin-top:15px}
.card-link:hover{color:var(--peach)}
.card-link i{transition:transform .22s var(--ease)}
.card-link:hover i{transform:translateX(4px)}
/* 列表胶囊卡 */
.mini-card{background:var(--white-warm);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px 22px;box-shadow:var(--shadow-card);transition:.24s var(--ease);height:100%}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.mini-card .mini-ico{width:42px;height:42px;border-radius:14px;background:var(--peach-pale);color:var(--peach-dark);display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:14px}
.mini-card h3{font-size:16px;margin-bottom:6px;color:var(--ink)}
.mini-card p{font-size:13.5px;color:var(--muted);line-height:1.7}
/* 功能目录块 */
.catalog-split{display:flex;flex-wrap:wrap;gap:16px}
.catalog-item{flex:1 1 30%;background:var(--peach-bg);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;min-height:150px;position:relative;transition:.23s var(--ease)}
.catalog-item:hover{background:#fff;border-color:rgba(239,129,119,.3);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.catalog-item .idx{font-size:12px;font-weight:700;color:var(--gold);background:rgba(245,185,95,.13);display:inline-flex;padding:3px 10px;border-radius:99px;margin-bottom:12px}
.catalog-item h3{font-size:16px;margin-bottom:5px}
.catalog-item p{font-size:13px;color:var(--muted);line-height:1.6}
/* ========== 大功能动图卡 ========== */
.feature-splitgrid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.feature-main{grid-column:span 7;border-radius:var(--radius-lg);overflow:hidden;position:relative;min-height:300px;box-shadow:var(--shadow-card)}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.feature-main .grad{position:absolute;inset:0;background:linear-gradient(200deg,rgba(61,39,41,0) 30%,rgba(61,39,41,.86) 95%)}
.feature-main .content{position:absolute;left:0;right:0;bottom:0;padding:28px;color:#fff}
.feature-main .tag-row{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.feature-main .tag-row span{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.18);padding:4px 12px;border-radius:99px;font-size:12px}
.feature-main h3{font-size:23px;margin-bottom:8px;font-weight:700}
.feature-main p{font-size:14px;opacity:.9;margin-bottom:14px;max-width:440px}
.feature-list{grid-column:span 5;display:flex;flex-direction:column;gap:22px}
/* ========== 步骤带 ========== */
.steps-band{position:relative;margin:64px 0 20px;background:var(--rosedark);border-radius:26px;padding:46px 48px;overflow:hidden}
.steps-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;opacity:.16}
.steps-band .container{position:relative;z-index:2;max-width:none;padding:0}
.steps-head{text-align:center;margin-bottom:38px}
.steps-head .steps-label{display:inline-block;background:rgba(255,255,255,.1);color:var(--gold);font-size:13px;letter-spacing:.05em;padding:5px 15px;border-radius:999px;border:1px solid rgba(255,255,255,.14);margin-bottom:12px}
.steps-head h2{color:#fff;font-size:29px;font-weight:700}
.steps-head p{color:rgba(255,255,255,.6);font-size:14px}
.steps-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-item{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:26px 24px;backdrop-filter:blur(4px);transition:.25s var(--ease)}
.step-item:hover{background:rgba(255,255,255,.13);transform:translateY(-4px)}
.step-num{font-size:34px;color:var(--gold);font-weight:800;line-height:1;display:block;margin-bottom:14px;letter-spacing:-.03em}
.step-item h3{color:#fff;font-size:17px;margin-bottom:8px;font-weight:600}
.step-item p{color:rgba(255,255,255,.65);font-size:13.5px;line-height:1.7}
/* ========== 场景区 ========== */
.scene-card{display:flex;flex-direction:column;background:var(--white-warm);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);transition:.24s var(--ease);height:100%}
.scene-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.scene-card .scene-body{padding:20px 22px 22px}
.scene-card .scene-body h3{font-size:17px;font-weight:700;margin-bottom:7px}
.scene-card .scene-body p{font-size:13.5px;color:var(--muted);line-height:1.75}
.scene-slim{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:250px;display:flex;align-items:flex-end;box-shadow:var(--shadow-card);transition:.24s var(--ease)}
.scene-slim:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.scene-slim img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.scene-slim .scene-slim-grad{position:absolute;inset:0;background:linear-gradient(180deg,rgba(61,39,41,0) 30%,rgba(61,39,41,.85) 96%)}
.scene-slim .slim-text{position:relative;z-index:2;color:#fff;padding:20px;width:100%}
.scene-slim .slim-text h3{font-size:17px;margin-bottom:4px}
.scene-slim .slim-text span{font-size:12.5px;opacity:.72}
/* ========== CTA ========== */
.cta-band{margin-top:50px;padding:44px 0 76px}
.cta-card{background:linear-gradient(135deg,var(--cream-soft),var(--peach-bg) 70%);border-radius:26px;border:1px solid rgba(239,129,119,.18);padding:42px 46px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-card h2{font-size:26px;margin-bottom:8px}
.cta-card p{color:var(--muted);font-size:15px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;font-weight:600;height:52px;padding:0 28px;font-size:15px;transition:all .22s var(--ease);cursor:pointer;border:none}
.btn-primary{background:var(--peach);color:#fff;box-shadow:0 10px 22px rgba(239,129,119,.3)}
.btn-primary:hover{background:var(--peach-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(217,100,92,.3);color:#fff}
.btn-ghost{background:transparent;color:var(--plum);border:1.5px solid rgba(78,50,56,.22)}
.btn-ghost:hover{background:var(--peach-pale);border-color:var(--peach);color:var(--peach-dark)}
.btn-dark{background:var(--rosedark);color:#fff}
.btn-dark:hover{background:#572a31;color:#fff}
/* ========== 页脚 ========== */
.site-footer{background:var(--rosedark);color:rgba(255,255,255,.78);padding:62px 0 26px;margin-top:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;color:#fff;letter-spacing:.03em}
.footer-brand .dot{width:10px;height:10px;background:var(--peach);border-radius:50%;box-shadow:0 0 0 5px rgba(239,129,119,.22)}
.footer-about{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:330px;margin-top:20px}
.footer-heading{font-size:15px;color:#fff;font-weight:600;margin-top:8px;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-heading::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:3px;border-radius:99px;background:var(--peach)}
.footer-nav li{margin-bottom:10px}
.footer-nav li a{font-size:13.5px;color:rgba(255,255,255,.66);display:inline-flex;align-items:center;gap:8px}
.footer-nav li a::before{content:"→";font-size:12px;opacity:0;transform:translateX(-6px);transition:.22s var(--ease)}
.footer-nav li a:hover{color:var(--gold);transform:translateX(2px)}
.footer-nav li a:hover::before{opacity:1;transform:translateX(0)}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.48)}
/* ========== 动画 ========== */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .65s var(--ease),transform .65s var(--ease)}
.reveal.in-view{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
/* ========== 响应式 ========== */
@media(max-width:1024px){
 .cat-hero{padding:156px 0 58px}
 .cat-hero h1{font-size:36px}
 .feature-splitgrid{grid-template-columns:1fr}
 .feature-main{grid-column:auto;min-height:240px}
 .feature-main img{position:absolute}
 .feature-list{grid-column:auto;display:grid;grid-template-columns:1fr 1fr;gap:16px}
}
@media(max-width:900px){
 .site-header{box-shadow:0 1px 8px rgba(61,39,41,.05)}
 .main-nav{position:fixed;left:16px;right:16px;top:84px;z-index:80;background:var(--peach-bg);border-radius:18px;box-shadow:var(--shadow-hover);padding:12px;display:none;flex-direction:column;align-items:stretch;gap:4px;border:1px solid var(--line)}
 .main-nav.open{display:flex}
 .main-nav > li > a{display:flex;align-items:center;height:48px;border-radius:12px}
 .main-nav > li > a.active{background:var(--peach-pale);color:var(--peach-dark)}
 .main-nav > li > a.active::after{display:none}
 .nav-burger{display:flex}
 .btn-header{display:none}
 .steps-row{grid-template-columns:1fr}
 .steps-band{padding:36px 30px}
 .steps-head h2{font-size:24px}
}
@media(max-width:768px){
 .cat-hero{padding:146px 0 52px}
 .cat-hero h1{font-size:31px;line-height:1.36}
 .cat-hero .lead{font-size:15px}
 .cat-hero-stats{flex-direction:column;gap:16px;margin-top:22px}
 .cat-hero-stat b{font-size:26px}
 .cat-anchor{gap:6px;padding:12px 0}
 .cat-anchor .anchor-item{padding:8px 16px;font-size:13.5px}
 .sec-head h2{font-size:26px}
 .cta-card{padding:30px 24px}
 .cta-card h2{font-size:21px}
 .feature-list{grid-template-columns:1fr}
 .cat-section{padding:58px 0 16px}
}
@media(max-width:520px){
 .container{padding:0 18px}
 .cat-hero h1{font-size:27px}
 .breadcrumb{margin-bottom:12px}
 .cta-card{flex-direction:column;align-items:flex-start}
 .btn{width:100%}
 .footer-bottom{flex-direction:column;text-align:center}
}