/* roulang page: index */
/* ================= 设计变量 ================= */
:root{
  --brand:#5B2BD9;
  --brand-deep:#3A1A94;
  --action:#FF6A2B;
  --action-deep:#E85A1C;
  --spark:#B8F03C;
  --bg:#F7F5FA;
  --surface:#FFFFFF;
  --band:#F0ECF9;
  --dark:#17102A;
  --dark-soft:#231A3D;
  --dark-ink:#F3F0FA;
  --dark-ink-2:rgba(243,240,250,.72);
  --ink:#1A1424;
  --ink-2:#4A4356;
  --ink-3:#7C7488;
  --line:#E7E3EF;
  --ok:#17A46A;
  --warn:#E0A21A;
  --err:#E23D3D;
  --r-card:18px;
  --r-img:12px;
  --r-input:10px;
  --shadow:0 10px 30px rgba(23,16,42,.06);
  --shadow-hover:0 18px 40px rgba(23,16,42,.12);
  --ease:cubic-bezier(.2,.8,.2,1);
  --s4:4px; --s8:8px; --s12:12px; --s16:16px; --s24:24px; --s32:32px; --s48:48px; --s64:64px; --s88:88px;
}

/* ================= 基础 reset ================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:rgba(91,43,217,.18)}

/* ================= 布局容器 ================= */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-band{background:var(--band)}
.section-white{background:var(--surface)}
.section-dark{background:var(--dark);color:var(--dark-ink)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:32px;font-weight:700;line-height:1.3;letter-spacing:-.01em;margin-top:12px}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--ink-3);line-height:1.85}
.section-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;flex-wrap:wrap}
.section-num{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--brand);font-variant-numeric:tabular-nums}
.section-num::after{content:"";width:34px;height:1.5px;background:var(--brand);opacity:.45;border-radius:2px}
.section-dark .section-num{color:var(--spark)}
.section-dark .section-num::after{background:var(--spark);opacity:.5}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:var(--dark-ink-2)}

/* ================= 顶部通告条 ================= */
.topbar{background:var(--dark);color:var(--dark-ink-2);font-size:13.5px;line-height:1.6}
.topbar-inner{display:flex;align-items:center;gap:16px;min-height:42px;padding-top:6px;padding-bottom:6px}
.topbar-text{flex:1;text-align:center}
.topbar-text b{color:var(--spark);font-weight:700}
.topbar-close{width:30px;height:30px;flex:0 0 30px;border-radius:50%;display:grid;place-items:center;color:var(--dark-ink-2);transition:background .18s var(--ease),color .18s var(--ease)}
.topbar-close:hover{background:rgba(255,255,255,.12);color:#fff}
.topbar.is-hidden{display:none}

/* ================= 导航 ================= */
.site-header{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid transparent;transition:background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--line);box-shadow:0 6px 22px rgba(23,16,42,.07)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px;transition:min-height .2s var(--ease)}
.site-header.is-stuck .header-inner{min-height:64px}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand-deep));display:grid;place-items:center;color:#fff;box-shadow:0 8px 18px rgba(91,43,217,.28);flex:0 0 38px}
.brand-mark svg{width:21px;height:21px;display:block}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}

.nav{margin-left:auto;display:flex;align-items:center;gap:20px}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;color:var(--ink-2);border-radius:10px;transition:color .18s var(--ease),background .18s var(--ease)}
.nav-link::after{content:"";position:absolute;left:50%;bottom:4px;width:0;height:3px;border-radius:999px;background:var(--brand);transform:translateX(-50%);transition:width .22s var(--ease)}
.nav-link:hover{color:var(--brand);background:rgba(91,43,217,.07)}
.nav-link:hover::after{width:16px}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{width:calc(100% - 28px)}

.nav-toggle{display:none;flex-direction:column;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;margin-left:auto;flex:0 0 44px;transition:border-color .18s var(--ease)}
.nav-toggle:hover{border-color:rgba(91,43,217,.4)}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-toggle span+span{margin-top:5px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.nav-backdrop{position:fixed;inset:0;background:rgba(23,16,42,.55);opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);z-index:70}

/* ================= 按钮体系 ================= */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;white-space:nowrap;transition:transform .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(91,43,217,.24)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 14px 32px rgba(91,43,217,.3)}
.btn-action{background:var(--action);color:#fff;box-shadow:0 10px 24px rgba(255,106,43,.26)}
.btn-action:hover{background:var(--action-deep);transform:translateY(-1px)}
.btn-outline{border:1.5px solid var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:rgba(91,43,217,.08)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-lg{height:52px;padding:0 32px;font-size:16px}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}
.text-link{position:relative;display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;padding-bottom:2px}
.text-link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1.5px;background:var(--brand);transition:width .22s var(--ease)}
.text-link:hover::after{width:100%}

/* ================= Hero ================= */
.hero{position:relative;padding:64px 0 76px;background:linear-gradient(180deg,#F2ECFC 0%,var(--bg) 100%);overflow:hidden}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px;align-items:center}
.hero-copy{max-width:560px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--brand)}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--spark);box-shadow:0 0 0 4px rgba(184,240,60,.28)}
.hero h1{margin-top:22px;font-size:48px;font-weight:800;line-height:1.22;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.8;color:var(--ink-2);max-width:520px}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-media{position:relative;border-radius:24px;overflow:hidden;aspect-ratio:16/11;box-shadow:0 26px 60px rgba(58,26,148,.22);background:var(--band)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(91,43,217,.18),rgba(23,16,42,.05));pointer-events:none}
.hero-media::before{content:"";position:absolute;right:0;bottom:0;width:180px;height:180px;background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.9) 0 2px,transparent 2px 9px);opacity:.07;pointer-events:none;z-index:2}
.hero-media-tag{position:absolute;left:18px;bottom:18px;z-index:3;display:inline-flex;align-items:center;gap:8px;background:#fff;border-radius:999px;padding:8px 16px;font-size:13px;font-weight:600;color:var(--ink-2);box-shadow:0 10px 24px rgba(23,16,42,.14)}
.hero-media-tag i{width:8px;height:8px;border-radius:50%;background:var(--ok);display:block}

.trust-bar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.trust-item{min-width:0}
.trust-item dt{font-size:14.5px;font-weight:700;color:var(--ink)}
.trust-item dd{margin:6px 0 0;font-size:13.5px;color:var(--ink-3);line-height:1.7}
.trust-item .tick{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;background:rgba(91,43,217,.12);color:var(--brand);font-size:11px;font-weight:800;margin-right:7px;vertical-align:1px}

/* ================= 入口条 ================= */
.entry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.entry-card{position:relative;display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;overflow:hidden;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.entry-card::after{content:"";position:absolute;right:-24px;top:-24px;width:88px;height:88px;border-radius:50%;background:rgba(91,43,217,.06);transition:transform .3s var(--ease)}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(91,43,217,.35)}
.entry-card:hover::after{transform:scale(1.35)}
.entry-icon{position:relative;z-index:1;width:44px;height:44px;border-radius:13px;background:var(--band);color:var(--brand);display:grid;place-items:center;margin-bottom:18px}
.entry-icon svg{width:22px;height:22px}
.entry-card h3{position:relative;z-index:1;font-size:18px;font-weight:600;line-height:1.45}
.entry-card p{position:relative;z-index:1;margin-top:9px;font-size:13.8px;color:var(--ink-3);line-height:1.75}
.entry-more{position:relative;z-index:1;display:inline-flex;align-items:center;gap:5px;margin-top:16px;font-size:13.5px;font-weight:700;color:var(--brand)}

/* ================= 优惠阶梯 ================= */
.ladder{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:8px}
.ladder-item{position:relative;padding-right:24px}
.ladder-item::before{content:"";position:absolute;top:21px;left:52px;right:24px;height:0;border-top:2px dashed var(--line)}
.ladder-item:last-child{padding-right:0}
.ladder-item:last-child::before{display:none}
.ladder-node{position:relative;z-index:1;width:44px;height:44px;border-radius:50%;background:var(--brand);color:#fff;font-size:16px;font-weight:800;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.ladder-item.is-current .ladder-node{box-shadow:0 0 0 4px rgba(255,106,43,.32)}
.ladder-body{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.ladder-item:hover .ladder-body{transform:translateY(-3px);box-shadow:var(--shadow)}
.ladder-body .lv{display:inline-block;font-size:12px;font-weight:700;color:var(--brand);background:rgba(91,43,217,.1);border-radius:999px;padding:3px 10px}
.ladder-body h3{margin-top:12px;font-size:18px;font-weight:700;line-height:1.4}
.ladder-body p{margin-top:8px;font-size:14px;color:var(--ink-3);line-height:1.75}
.ladder-body ul{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:grid;gap:8px}
.ladder-body li{font-size:14px;color:var(--ink-2);padding-left:18px;position:relative;line-height:1.7}
.ladder-body li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;background:var(--action)}

/* ================= 套餐对比 ================= */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start;margin-top:12px}
.plan{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px 24px 26px;overflow:hidden;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.plan:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.plan-featured{border:2px solid var(--brand);box-shadow:0 20px 48px rgba(91,43,217,.16);transform:translateY(-12px)}
.plan-featured:hover{transform:translateY(-15px)}
.plan-featured::before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:var(--brand)}
.plan-tag{position:absolute;top:18px;right:18px;background:var(--spark);color:#22310A;font-size:12px;font-weight:800;padding:4px 12px;border-radius:999px}
.plan-name{font-size:20px;font-weight:700;line-height:1.4}
.plan-desc{margin-top:7px;font-size:13.5px;color:var(--ink-3);line-height:1.7}
.plan-price{margin-top:22px;display:flex;align-items:baseline;gap:7px}
.plan-price .num{font-size:44px;font-weight:800;line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--ink)}
.plan-featured .plan-price .num{color:var(--brand)}
.plan-price .unit{font-size:16px;color:var(--ink-3);font-weight:600}
.plan-list{margin-top:22px;border-top:1px solid var(--line)}
.plan-list li{display:flex;align-items:flex-start;gap:10px;padding:12px 0;font-size:14.5px;color:var(--ink-2);border-bottom:1px solid var(--line);line-height:1.6;min-height:44px}
.plan-list li:last-child{border-bottom:0}
.plan-list .yes,.plan-list .no{flex:0 0 18px;width:18px;font-weight:800;text-align:center;line-height:1.5}
.plan-list .yes{color:var(--brand)}
.plan-list .no{color:var(--ink-3);opacity:.55}
.plan-list .off{color:var(--ink-3)}
.plan .btn{margin-top:22px}

/* ================= 限时入口 ================= */
.flash{background:var(--dark);color:var(--dark-ink);padding:56px 0}
.flash-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.flash-copy{max-width:520px}
.flash-copy h2{font-size:28px;font-weight:700;line-height:1.35;color:#fff;margin-top:12px}
.flash-copy p{margin-top:12px;font-size:15px;color:var(--dark-ink-2);line-height:1.8}
.flash-right{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.countdown{display:flex;gap:10px}
.cd-box{width:56px;height:64px;border-radius:12px;background:var(--dark-soft);border:1.5px solid rgba(184,240,60,.55);display:flex;flex-direction:column;align-items:center;justify-content:center}
.cd-num{font-size:26px;font-weight:800;line-height:1;color:#fff;font-variant-numeric:tabular-nums}
.cd-label{font-size:11px;letter-spacing:.1em;color:var(--dark-ink-2);margin-top:5px}
.flash-hint{font-size:13.5px;color:var(--dark-ink-2)}

/* ================= 资讯列表 ================= */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(91,43,217,.28)}
.post-thumb{position:relative;aspect-ratio:16/10;background:var(--band);overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-thumb .badge{position:absolute;top:12px;left:12px;z-index:2}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;font-size:12px;font-weight:700;line-height:1;background:var(--spark);color:#22310A}
.badge-dark{background:rgba(23,16,42,.78);color:#fff}
.post-body{padding:20px;display:flex;flex-direction:column;flex:1}
.post-title{font-size:17.5px;font-weight:600;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:52px;transition:color .18s var(--ease)}
.post-card:hover .post-title{color:var(--brand)}
.post-excerpt{margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-3);border-top:1px solid var(--line)}
.post-meta .arrow{color:var(--brand);font-weight:700;transition:transform .18s var(--ease)}
.post-card:hover .post-meta .arrow{transform:translateX(4px)}

.empty-state{background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:64px 24px;text-align:center}
.empty-icon{width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:var(--band);display:grid;place-items:center;color:var(--brand)}
.empty-icon svg{width:28px;height:28px}
.empty-state p{font-size:15px;color:var(--ink-3);margin-top:6px}
.empty-state .btn{margin-top:22px}

/* ================= 服务优势 ================= */
.advantage-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.advantage{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.advantage:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.advantage .ico{width:44px;height:44px;border-radius:13px;background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff;display:grid;place-items:center;margin-bottom:18px}
.advantage .ico svg{width:22px;height:22px}
.advantage h3{font-size:17px;font-weight:700;line-height:1.45}
.advantage p{margin-top:9px;font-size:14px;color:var(--ink-3);line-height:1.8}

/* ================= FAQ ================= */
.faq{display:grid;gap:12px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item.is-open{border-color:rgba(91,43,217,.42);box-shadow:var(--shadow)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 22px;min-height:60px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);line-height:1.55;transition:background .18s var(--ease)}
.faq-q:hover{background:rgba(91,43,217,.04)}
.faq-icon{position:relative;flex:0 0 22px;width:22px;height:22px;transition:transform .24s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-icon::before{left:0;right:0;top:10px;height:2px}
.faq-icon::after{top:0;bottom:0;left:10px;width:2px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a-inner{margin:0 22px 20px 22px;padding:4px 0 4px 16px;border-left:3px solid var(--brand);font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ================= 表单 ================= */
.form-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.form-intro h2{font-size:30px;font-weight:700;line-height:1.32;margin-top:12px}
.form-intro>p{margin-top:16px;font-size:15.5px;line-height:1.85;color:var(--ink-3)}
.form-points{margin-top:26px;display:grid;gap:14px}
.form-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2);line-height:1.7}
.form-points .pt{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:rgba(91,43,217,.12);color:var(--brand);display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:3px}
.form-contact{margin-top:30px;padding-top:22px;border-top:1px solid var(--line);display:grid;gap:10px;font-size:14.5px;color:var(--ink-2)}
.form-contact strong{color:var(--ink);font-weight:700}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px;box-shadow:var(--shadow)}
.form-card h3{font-size:19px;font-weight:700;margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field label .req{color:var(--err);margin-left:3px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-input);background:#FBFAFD;font-size:15px;color:var(--ink);transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease)}
.field input,.field select{height:46px;padding:0 14px}
.field textarea{min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%237C7488' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}
.field input::placeholder,.field textarea::placeholder{color:#A9A2B5}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(91,43,217,.24)}
.field.has-error input,.field.has-error textarea{border-color:var(--err)}
.field-msg{display:none;margin-top:6px;font-size:12px;color:var(--err)}
.field.has-error .field-msg{display:block}
.form-success{display:none;align-items:center;gap:9px;background:#E9F8F1;border:1px solid rgba(23,164,106,.32);color:#0F6E48;border-radius:12px;padding:12px 16px;font-size:14px;line-height:1.6;margin-bottom:18px}
.form-success.is-show{display:flex}
.form-success .ok-ic{flex:0 0 18px;width:18px;height:18px;border-radius:50%;background:var(--ok);color:#fff;font-size:11px;font-weight:800;display:grid;place-items:center}
.form-note{margin-top:14px;font-size:12px;color:var(--ink-3);line-height:1.7}
.form-note a{color:var(--brand)}
.btn.is-loading{opacity:.75;pointer-events:none}

/* ================= 页脚 ================= */
.site-footer{background:var(--dark);color:var(--dark-ink-2);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-desc{margin-top:18px;max-width:330px;font-size:14px;line-height:1.85;color:var(--dark-ink-2)}
.footer-contact{margin-top:22px;display:grid;gap:9px;font-size:14px;color:var(--dark-ink-2)}
.footer-contact strong{color:#fff;font-weight:600}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col li+li{margin-top:11px}
.footer-col a{display:inline-block;font-size:14px;color:var(--dark-ink-2);transition:color .18s var(--ease),transform .18s var(--ease)}
.footer-col a:hover{color:var(--spark);transform:translateX(2px)}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(243,240,250,.6)}
.footer-bottom a{color:rgba(243,240,250,.6)}
.footer-bottom a:hover{color:var(--spark)}

/* ================= 返回顶部 ================= */
.to-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;border:0;box-shadow:0 12px 28px rgba(91,43,217,.34);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease),background .18s var(--ease);z-index:50}
.to-top:hover{background:var(--brand-deep)}
.to-top.is-show{opacity:1;visibility:visible;transform:none}
.to-top svg{width:20px;height:20px}

/* ================= 骨架屏 ================= */
.skeleton{background:linear-gradient(90deg,#F0ECF9 25%,#E6E0F3 37%,#F0ECF9 63%);background-size:400% 100%;animation:sk 1.4s ease infinite}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ================= 响应式 ================= */
@media (max-width:1279px){
  .hero-inner{gap:40px}
  .hero h1{font-size:44px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .nav-toggle{display:flex}
  .nav{position:fixed;top:0;right:0;bottom:0;width:82%;max-width:360px;margin-left:0;flex-direction:column;align-items:stretch;gap:0;background:var(--dark);padding:24px;transform:translateX(100%);transition:transform .26s var(--ease);z-index:80;overflow-y:auto}
  .nav.is-open{transform:translateX(0)}
  .nav-backdrop.is-open{opacity:1;visibility:visible}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;margin-top:56px}
  .nav-link{display:block;padding:14px 12px;font-size:18px;color:var(--dark-ink);border-radius:12px}
  .nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
  .nav-link.is-active{color:var(--spark)}
  .nav-link::after{display:none}
  .nav-cta{width:100%;margin-top:auto;justify-content:center}
  .hero{padding:44px 0 56px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-copy{max-width:none}
  .hero h1{font-size:36px}
  .hero-media{aspect-ratio:16/10}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .plans{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
  .plan-featured{transform:none}
  .plan-featured:hover{transform:translateY(-3px)}
  .plan{padding:24px 18px 20px}
  .plan-price .num{font-size:36px}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .advantage-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:44px 0}
  .section-head{margin-bottom:28px}
  .section-head h2{font-size:23px}
  .section-head.row{align-items:flex-start}
  .topbar-text{font-size:12.5px;text-align:left}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15.5px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .hero-media{aspect-ratio:16/9}
  .trust-bar{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .entry-card{padding:20px 16px}
  .ladder{grid-template-columns:1fr;gap:24px}
  .ladder-item{padding:0 0 0 64px}
  .ladder-item::before{left:21px;top:52px;bottom:-24px;right:auto;width:0;height:auto;border-top:0;border-left:2px dashed var(--line)}
  .ladder-item:last-child::before{display:none}
  .ladder-node{position:absolute;left:0;top:0}
  .ladder-body{margin-top:0}
  .plans{grid-template-columns:1fr;gap:18px;overflow:visible}
  .plan-list li{min-height:0}
  .flash{padding:44px 0}
  .flash-inner{gap:26px}
  .flash-copy h2{font-size:22px}
  .countdown{gap:8px}
  .cd-box{width:48px;height:56px}
  .cd-num{font-size:22px}
  .post-grid{grid-template-columns:1fr}
  .advantage-grid{grid-template-columns:1fr}
  .form-card{padding:22px 18px}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a-inner{margin:0 18px 18px;font-size:14.5px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{justify-content:flex-start;margin-top:40px}
  .to-top{right:16px;bottom:16px;width:42px;height:42px}
}
@media (max-width:479px){
  .entry-grid{grid-template-columns:1fr}
  .trust-bar{grid-template-columns:1fr}
  .plan-price .num{font-size:32px}
  .cd-box{width:44px;height:52px}
  .cd-num{font-size:20px}
  .cd-label{font-size:10px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --brand:#5B2BD9;
  --brand-deep:#3A1A94;
  --action:#FF6A2B;
  --action-deep:#E85A1C;
  --spark:#B8F03C;
  --bg:#F7F5FA;
  --surface:#FFFFFF;
  --band:#F0ECF9;
  --dark:#17102A;
  --dark-2:#221741;
  --ink:#1A1424;
  --ink-2:#4A4356;
  --ink-3:#7C7488;
  --line:#E7E3EF;
  --ok:#17A46A;
  --warn:#E0A21A;
  --err:#E23D3D;
  --radius:18px;
  --radius-sm:12px;
  --radius-xs:10px;
  --shadow:0 10px 30px rgba(23,16,42,.06);
  --shadow-hover:0 18px 40px rgba(23,16,42,.12);
  --ease:cubic-bezier(.2,.8,.2,1);
  --pad-desktop:88px;
  --pad-tablet:64px;
  --pad-mobile:44px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","HarmonyOS Sans",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(91,43,217,.18);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(91,43,217,.22);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 26px rgba(91,43,217,.28);}
.btn-action{background:var(--action);color:#fff;box-shadow:0 6px 18px rgba(255,106,43,.24);}
.btn-action:hover{background:var(--action-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 26px rgba(255,106,43,.3);}
.btn-outline{border:1.5px solid var(--brand);color:var(--brand);background:transparent;}
.btn-outline:hover{background:rgba(91,43,217,.08);color:var(--brand-deep);}
.btn-ghost{border:1.5px solid rgba(255,255,255,.7);color:#fff;background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-block{width:100%;}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{font-weight:600;display:inline-flex;align-items:center;gap:6px;position:relative;}
.link-arrow::after{content:"";position:absolute;left:0;right:22px;bottom:-2px;height:1.5px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);}
.link-arrow:hover::after{transform:scaleX(1);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:700;line-height:1.6;letter-spacing:.02em;
}
.badge-spark{background:var(--spark);color:#22310A;}
.badge-action{background:var(--action);color:#fff;}
.badge-brand{background:rgba(91,43,217,.1);color:var(--brand);}
.tag{
  display:inline-block;padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  font-size:13px;color:var(--ink-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand);background:rgba(91,43,217,.05);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,250,.92);
  border-bottom:1px solid transparent;
  transition:background-color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(23,16,42,.06);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;transition:min-height .2s var(--ease);}
.site-header.is-scrolled .header-inner{min-height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand) 0%,#7A4BF0 100%);
  color:#fff;flex:0 0 auto;
  box-shadow:0 6px 16px rgba(91,43,217,.28);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;line-height:1.2;}
.nav{display:flex;align-items:center;gap:8px;}
.nav-list{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 14px;font-size:15px;color:var(--ink-2);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:3px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{margin-left:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:rgba(91,43,217,.08);
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--brand);transition:transform .22s var(--ease),opacity .22s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 分类页 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background-color:var(--dark);
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  color:#F3F0FA;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(23,16,42,.94) 0%,rgba(58,26,148,.86) 52%,rgba(23,16,42,.68) 100%);
}
.cat-hero::after{
  content:"";position:absolute;right:-60px;top:-40px;width:340px;height:340px;
  background-image:radial-gradient(rgba(184,240,60,.5) 1px,transparent 1px);
  background-size:14px 14px;opacity:.16;pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;padding-top:72px;padding-bottom:88px;}
.breadcrumb{font-size:13px;color:rgba(243,240,250,.7);display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:24px;}
.breadcrumb a{color:rgba(243,240,250,.82);}
.breadcrumb a:hover{color:var(--spark);}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:#fff;}
.cat-hero h1{
  font-size:48px;font-weight:800;line-height:1.22;letter-spacing:-.01em;
  max-width:760px;color:#fff;
}
.hero-lead{
  margin-top:20px;max-width:640px;
  font-size:17px;line-height:1.85;color:rgba(243,240,250,.78);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  margin-top:48px;max-width:820px;
}
.hero-stat{
  padding:18px 20px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
}
.hero-stat strong{display:block;font-size:26px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.3;}
.hero-stat span{font-size:13px;color:rgba(243,240,250,.72);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--pad-desktop) 0;}
.section-band{background:var(--band);}
.section-dark{background:var(--dark);color:#F3F0FA;}
.section-dark .section-title{color:#fff;}
.section-dark .section-desc{color:rgba(243,240,250,.72);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);
  margin-bottom:12px;
}
.section-dark .eyebrow{color:var(--spark);}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:currentColor;}
.section-title{font-size:32px;font-weight:700;line-height:1.3;color:var(--ink);letter-spacing:-.01em;}
.section-desc{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-2);}

/* ---------- 精选依据 ---------- */
.criteria-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.criteria-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.criteria-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.criteria-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(91,43,217,.1);color:var(--brand);margin-bottom:16px;
}
.criteria-icon svg{width:22px;height:22px;}
.criteria-item h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.criteria-item p{font-size:14.5px;line-height:1.8;color:var(--ink-2);}
.criteria-item .metric{display:block;margin-top:12px;font-size:13px;color:var(--brand);font-weight:600;font-variant-numeric:tabular-nums;}

/* ---------- 推荐卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--band);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.card:hover .card-media img{transform:scale(1.03);}
.card-media .badge{position:absolute;left:14px;top:14px;box-shadow:0 4px 12px rgba(23,16,42,.16);}
.card-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:10px;}
.card:hover .card-body h3{color:var(--brand);}
.card-excerpt{font-size:14.5px;line-height:1.8;color:var(--ink-2);flex:1;}
.card-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;
}
.card-meta .go{color:var(--brand);font-weight:600;}
.card-link{display:block;color:inherit;}
.card-link:hover{color:inherit;}

/* ---------- 底部 CTA 条 ---------- */
.cta-bar{
  margin-top:40px;border-radius:var(--radius);
  background:linear-gradient(100deg,var(--brand) 0%,#7A4BF0 62%,#9A6BFF 100%);
  color:#fff;padding:32px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:0 16px 36px rgba(91,43,217,.24);
}
.cta-bar h3{font-size:22px;font-weight:700;line-height:1.4;}
.cta-bar p{margin-top:6px;font-size:14.5px;color:rgba(255,255,255,.86);}

/* ---------- 数据带 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-item{
  padding:28px 24px;border-radius:var(--radius);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
}
.stat-item .num{
  font-size:40px;font-weight:800;line-height:1.2;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat-item .num em{font-style:normal;font-size:16px;font-weight:600;color:var(--spark);margin-left:6px;}
.stat-item h3{font-size:16px;font-weight:600;margin-top:10px;color:#fff;}
.stat-item p{font-size:13.5px;line-height:1.75;color:rgba(243,240,250,.72);margin-top:6px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;transition:box-shadow .22s var(--ease);}
.faq-item:hover{box-shadow:var(--shadow);}
.faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;min-height:60px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-item.is-open .faq-btn{color:var(--brand);}
.faq-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s var(--ease);}
.faq-item.is-open .faq-panel{grid-template-rows:1fr;}
.faq-panel-inner{overflow:hidden;}
.faq-panel p{
  margin:0 22px 20px;padding-left:16px;border-left:3px solid var(--brand);
  font-size:15px;line-height:1.85;color:var(--ink-2);
}

/* ---------- 表单 ---------- */
.consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start;}
.consult-info h2{font-size:30px;font-weight:700;line-height:1.3;}
.consult-info .lead{margin-top:16px;font-size:16px;line-height:1.85;color:var(--ink-2);}
.consult-points{margin-top:24px;display:grid;gap:14px;}
.consult-points li{display:flex;gap:12px;font-size:15px;color:var(--ink-2);line-height:1.75;}
.consult-points .dot{
  flex:0 0 auto;width:22px;height:22px;margin-top:4px;border-radius:50%;
  background:rgba(91,43,217,.1);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}
.consult-contact{
  margin-top:28px;padding:20px 22px;border-radius:var(--radius-sm);
  background:var(--surface);border:1px solid var(--line);
  display:grid;gap:8px;font-size:14px;color:var(--ink-2);
}
.consult-contact strong{color:var(--ink);font-variant-numeric:tabular-nums;}
.consult-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px;box-shadow:var(--shadow);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-xs);
  background:#FBFAFD;padding:0 14px;height:46px;
  font-size:15px;color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.75;resize:vertical;}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%237C7488' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(91,43,217,.26);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err);background:#fff;}
.field-error{display:none;margin-top:8px;font-size:12.5px;color:var(--err);}
.field.has-error .field-error{display:block;}
.form-note{margin-top:14px;font-size:12px;line-height:1.7;color:var(--ink-3);}
.form-alert{
  display:none;align-items:center;gap:10px;
  margin-bottom:20px;padding:14px 16px;border-radius:var(--radius-xs);
  background:rgba(23,164,106,.1);border:1px solid rgba(23,164,106,.28);
  color:#0F6E48;font-size:14px;
}
.form-alert.is-visible{display:flex;}
.form-alert .tick{
  width:20px;height:20px;border-radius:50%;background:var(--ok);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;flex:0 0 auto;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(243,240,250,.72);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(243,240,250,.7);max-width:340px;}
.footer-contact{margin-top:18px;display:grid;gap:8px;font-size:13.5px;color:rgba(243,240,250,.72);}
.footer-contact strong{color:#fff;font-variant-numeric:tabular-nums;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{
  font-size:14px;color:rgba(243,240,250,.72);
  transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block;
}
.footer-col a:hover{color:var(--spark);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(243,240,250,.6);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:70;
  width:48px;height:48px;border-radius:50%;
  background:var(--brand);color:#fff;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 26px rgba(91,43,217,.32);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease),background-color .2s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-deep);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .cat-hero h1{font-size:44px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:var(--pad-tablet) 0;}
  .nav{
    position:fixed;top:0;right:0;bottom:0;
    width:min(82%,360px);
    background:var(--dark);
    flex-direction:column;align-items:stretch;gap:0;
    padding:92px 24px 32px;overflow-y:auto;
    transform:translateX(100%);
    transition:transform .25s var(--ease);
    z-index:75;
  }
  .nav.is-open{transform:translateX(0);}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;}
  .nav-link{color:#F3F0FA;font-size:18px;padding:14px 12px;border-radius:10px;}
  .nav-link::after{display:none;}
  .nav-link:hover{color:var(--spark);background:rgba(255,255,255,.06);}
  .nav-link.is-active{color:var(--spark);background:rgba(255,255,255,.08);}
  .nav-cta{margin:20px 0 0;width:100%;}
  .nav-toggle{display:flex;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .criteria-grid{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .consult-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:var(--pad-mobile) 0;}
  .cat-hero .container{padding-top:44px;padding-bottom:56px;}
  .cat-hero h1{font-size:30px;}
  .hero-lead{font-size:15.5px;margin-top:16px;}
  .hero-actions{gap:12px;margin-top:26px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:12px;margin-top:32px;}
  .hero-stat strong{font-size:22px;}
  .section-title{font-size:23px;}
  .card-grid{grid-template-columns:1fr;}
  .criteria-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;gap:14px;}
  .cta-bar{padding:26px 22px;flex-direction:column;align-items:flex-start;}
  .cta-bar .btn{width:100%;}
  .consult-card{padding:24px 20px;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .to-top{right:16px;bottom:18px;width:44px;height:44px;}
  .brand-text{font-size:16.5px;}
}
@media (max-width:479px){
  .cat-hero h1{font-size:27px;}
  .section-title{font-size:21px;}
  .stat-item .num{font-size:32px;}
  .btn{height:44px;font-size:14.5px;padding:0 22px;}
  .faq-btn{font-size:15.5px;padding:16px 18px;}
  .faq-panel p{margin:0 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand:#5B2BD9;
  --brand-deep:#3A1A94;
  --action:#FF6A2B;
  --action-deep:#E85A1C;
  --spark:#B8F03C;
  --bg:#F7F5FA;
  --surface:#FFFFFF;
  --band:#F0ECF9;
  --dark:#17102A;
  --ink:#1A1424;
  --ink-2:#4A4356;
  --ink-3:#7C7488;
  --line:#E7E3EF;
  --ok:#17A46A;
  --warn:#E0A21A;
  --err:#E23D3D;
  --radius:18px;
  --radius-sm:12px;
  --radius-xs:10px;
  --shadow:0 10px 30px rgba(23,16,42,.06);
  --shadow-lg:0 18px 40px rgba(23,16,42,.12);
  --ease:cubic-bezier(.2,.8,.2,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-deep)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;color:var(--ink)}
p{margin:0 0 1.15em}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* 阅读进度 */
.read-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:90;background:transparent;pointer-events:none}
.read-progress span{display:block;height:100%;width:100%;transform:scaleX(0);transform-origin:0 50%;background:linear-gradient(90deg,var(--brand),var(--action));transition:transform .12s linear}

/* 通告条 */
.notice-bar{background:var(--dark);color:#F3F0FA;font-size:14px;position:relative;z-index:30}
.notice-inner{display:flex;align-items:center;gap:12px;min-height:44px}
.notice-inner > span{line-height:1.5;padding:6px 0}
.notice-inner strong{color:var(--spark);font-weight:700}
.notice-close{margin-left:auto;flex:0 0 auto;width:32px;height:32px;border:0;border-radius:8px;background:transparent;color:rgba(243,240,250,.7);font-size:20px;line-height:1;cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease)}
.notice-close:hover{background:rgba(255,255,255,.12);color:#fff}
.notice-bar.is-hidden{display:none}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid transparent;transition:background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--line);box-shadow:0 6px 22px rgba(23,16,42,.06)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px;transition:min-height .2s var(--ease)}
.site-header.is-stuck .header-inner{min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-size:17px;font-weight:800;letter-spacing:-.01em}
.brand:hover{color:var(--ink)}
.brand-mark{width:38px;height:38px;flex:0 0 auto;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff;display:grid;place-items:center;box-shadow:0 8px 18px rgba(91,43,217,.28)}
.brand-mark svg{width:20px;height:20px}
.brand-text{white-space:nowrap}
.nav{display:flex;align-items:center;gap:20px;margin-left:auto}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:10px;color:var(--ink-2);font-size:15px;font-weight:600;transition:color .2s var(--ease),background .2s var(--ease)}
.nav-link:hover{color:var(--brand);background:rgba(91,43,217,.07)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--brand)}
.nav-cta{height:44px;padding:0 22px;font-size:15px}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0 11px;margin-left:auto;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
body.nav-open::after{content:"";position:fixed;inset:0;background:rgba(23,16,42,.55);z-index:64}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:999px;border:1.5px solid transparent;font-size:15.5px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(91,43,217,.22)}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(91,43,217,.28)}
.btn-action{background:var(--action);color:#fff;box-shadow:0 8px 20px rgba(255,106,43,.24)}
.btn-action:hover{background:var(--action-deep);color:#fff;transform:translateY(-1px)}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:rgba(91,43,217,.08);color:var(--brand)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.mini-btn{display:inline-flex;align-items:center;height:38px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink-2);font-size:13.5px;font-weight:600;cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease)}
.mini-btn:hover{border-color:var(--brand);color:var(--brand)}
.mini-btn:disabled{opacity:.55;cursor:not-allowed}

/* 徽章与标签 */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.badge-spark{background:var(--spark);color:#222E06}
.badge-soft{background:var(--band);color:var(--brand-deep)}
.badge-action{background:var(--action);color:#fff}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;background:var(--band);color:var(--brand-deep);font-size:13.5px;font-weight:600;transition:background .2s var(--ease),color .2s var(--ease)}
.tag:hover{background:rgba(91,43,217,.15);color:var(--brand-deep)}

/* 面包屑 */
.page-head{padding:26px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);line-height:1.7}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li + li::before{content:"›";color:var(--ink-3)}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb li[aria-current]{color:var(--ink-2);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章布局 */
.article-section{padding:24px 0 24px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start}
.article-main{min-width:0}
.article-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:36px 40px 40px}
.article-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.article-head h1{font-size:clamp(28px,3.4vw,42px);font-weight:800;letter-spacing:-.01em;line-height:1.25;margin-bottom:18px}
.meta-bar{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid var(--line)}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13.5px;color:var(--ink-3);flex:1 1 320px}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.share-row{display:flex;gap:10px;flex-wrap:wrap}

/* 正文样式 */
.article-body{padding-top:28px;font-size:16.5px;line-height:1.9;color:var(--ink-2)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.15em;color:var(--ink-2)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body h2{position:relative;margin:36px 0 16px;padding-left:16px;font-size:23px;font-weight:700;color:var(--ink);line-height:1.4}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--brand)}
.article-body h3{margin:26px 0 12px;font-size:18.5px;font-weight:600;color:var(--ink)}
.article-body h4{margin:20px 0 10px;font-size:16.5px;font-weight:600;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:1.45em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.55em;line-height:1.85;color:var(--ink-2)}
.article-body li::marker{color:var(--brand)}
.article-body blockquote{margin:24px 0;padding:16px 22px;background:var(--band);border-left:4px solid var(--brand);border-radius:0 12px 12px 0;color:var(--ink-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{margin:24px auto;border-radius:12px}
.article-body figure{margin:24px 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--ink-3)}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-color:rgba(91,43,217,.35);text-underline-offset:3px}
.article-body a:hover{text-decoration-color:var(--brand)}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body table th,.article-body table td{border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap}
.article-body table th{background:var(--band);color:var(--ink);font-weight:700}
.article-body table tr:nth-child(even) td{background:#FBFAFD}
.article-body hr{margin:32px 0;border:0;border-top:1px solid var(--line)}
.article-empty{padding:48px 0 24px;text-align:center}
.article-empty-title{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:10px}
.article-empty p{color:var(--ink-3);margin-bottom:22px}

/* 文末区 */
.article-foot{margin-top:40px;padding-top:8px}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tag-row .tag-label{font-size:13.5px;color:var(--ink-3);font-weight:600;margin-right:2px}
.postnav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:28px}
.postnav a{display:block;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.postnav a:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(91,43,217,.35);color:inherit}
.postnav .pn-label{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:6px;font-weight:600;letter-spacing:.04em}
.postnav .pn-title{display:block;font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.5}
.postnav a:hover .pn-title{color:var(--brand)}
.postnav .pn-right{text-align:right}

.rel-block{margin-top:44px}
.rel-block h2{font-size:22px;margin-bottom:20px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--band)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.card:hover .card-cover img{transform:scale(1.03)}
.card-cover .badge{position:absolute;left:12px;top:12px}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:16.5px;font-weight:700;line-height:1.5;margin-bottom:8px;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover .card-body h3{color:var(--brand)}
.card-body p{font-size:14px;line-height:1.7;color:var(--ink-3);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--ink-3);border-top:1px solid var(--line);padding-top:12px}
.card-meta .arrow{color:var(--brand);font-weight:700}
.back-row{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}

/* 侧栏 */
.sidebar{display:grid;gap:24px;min-width:0}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 18px;box-shadow:var(--shadow)}
.side-card h2{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h2::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--brand);flex:0 0 auto}
.side-list li + li{border-top:1px solid var(--line)}
.side-list a{display:flex;align-items:flex-start;gap:10px;padding:12px 0;font-size:14.5px;font-weight:600;color:var(--ink-2);transition:color .2s var(--ease),transform .2s var(--ease)}
.side-list a:hover{color:var(--brand);transform:translateX(2px)}
.side-list .idx{flex:0 0 auto;width:20px;height:20px;margin-top:3px;border-radius:6px;background:var(--band);color:var(--brand-deep);font-size:11.5px;font-weight:800;display:grid;place-items:center}
.side-list a:hover .idx{background:var(--brand);color:#fff}
.side-note{font-size:13.5px;color:var(--ink-3);line-height:1.75}
.side-note dl{margin:0;display:grid;gap:10px}
.side-note dt{font-weight:700;color:var(--ink-2);font-size:13.5px}
.side-note dd{margin:2px 0 0}
.side-cta{background:var(--dark);border-radius:var(--radius);padding:26px 22px;color:#F3F0FA}
.side-cta h2{font-size:17px;color:#fff;margin-bottom:10px;display:block}
.side-cta h2::before{display:none}
.side-cta p{font-size:14px;color:rgba(243,240,250,.72);line-height:1.75;margin-bottom:18px}
.side-cta .btn{width:100%}

/* 相关问答 */
.faq-section{padding:88px 0 0}
.section-head{max-width:720px;margin-bottom:28px}
.section-head .eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.12em;color:var(--brand);margin-bottom:8px}
.section-head h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:10px}
.section-head p{color:var(--ink-3);font-size:15px;margin:0}
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);transition:border-color .2s var(--ease)}
.faq-item.is-open{border-color:rgba(91,43,217,.35)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;min-height:60px;padding:16px 22px;background:none;border:0;text-align:left;font-size:15.5px;font-weight:600;color:var(--ink);cursor:pointer}
.faq-q .plus{flex:0 0 auto;width:24px;height:24px;border-radius:8px;background:var(--band);color:var(--brand);display:grid;place-items:center;font-size:17px;font-weight:700;line-height:1;transition:transform .22s var(--ease),background .2s var(--ease),color .2s var(--ease)}
.faq-item.is-open .plus{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a-inner{margin:0 22px 20px 22px;padding-left:16px;border-left:3px solid var(--brand);font-size:15px;line-height:1.8;color:var(--ink-2)}

/* CTA 通栏 */
.cta-section{padding:88px 0 0}
.cta-band{background:var(--dark);border-radius:24px;padding:48px 52px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;color:#F3F0FA;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(184,240,60,.18),transparent 68%)}
.cta-band h2{font-size:clamp(21px,2.3vw,28px);color:#fff;margin-bottom:10px;position:relative}
.cta-band p{margin:0;font-size:15px;color:rgba(243,240,250,.72);max-width:620px;position:relative}
.cta-band .btn{position:relative}

/* 页脚 */
.site-footer{background:var(--dark);color:#F3F0FA;padding:64px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{color:#F3F0FA}
.footer-brand .brand:hover{color:#fff}
.footer-desc{color:rgba(243,240,250,.72);font-size:14px;line-height:1.8;margin:16px 0;max-width:340px}
.footer-contact{display:grid;gap:7px;font-size:13.5px;color:rgba(243,240,250,.72)}
.footer-contact strong{color:#fff;font-weight:600}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col a{display:inline-block;color:rgba(243,240,250,.72);font-size:14px;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col a:hover{color:var(--spark);transform:translateX(2px)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:13px;color:rgba(243,240,250,.6)}

/* 返回顶部 */
.to-top{position:fixed;right:24px;bottom:24px;z-index:50;width:48px;height:48px;border:0;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:0 10px 26px rgba(91,43,217,.35);opacity:0;pointer-events:none;transition:opacity .25s var(--ease),transform .25s var(--ease),background .2s var(--ease)}
.to-top.is-show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--brand-deep);transform:translateY(-2px)}
.to-top svg{width:20px;height:20px}

/* 响应式 */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:40px}
  .article-card{padding:32px 32px 36px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-toggle{display:flex}
  .nav{position:fixed;inset:0 0 0 auto;width:82%;max-width:360px;z-index:70;display:flex;flex-direction:column;align-items:stretch;gap:6px;margin:0;padding:88px 24px 24px;background:var(--dark);transform:translateX(100%);transition:transform .26s var(--ease);overflow-y:auto}
  .nav.is-open{transform:translateX(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{height:52px;padding:0 14px;color:#F3F0FA;font-size:18px;font-weight:600}
  .nav-link:hover{background:rgba(255,255,255,.08);color:#fff}
  .nav-link.is-active{color:var(--spark)}
  .nav-link.is-active::after{display:none}
  .nav-cta{width:100%;margin-top:auto;height:48px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .article-card{padding:28px 24px 32px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-section,.cta-section{padding-top:64px}
  .site-footer{margin-top:64px}
  .cta-band{padding:36px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .article-section{padding:16px 0}
  .page-head{padding:18px 0 0}
  .breadcrumb li[aria-current]{max-width:180px}
  .article-card{padding:22px 18px 26px;border-radius:14px}
  .article-body{padding-top:22px;font-size:16px}
  .article-body h2{font-size:20px;margin-top:30px}
  .article-body h3{font-size:17.5px}
  .meta-bar{flex-direction:column;align-items:flex-start;gap:14px}
  .postnav{grid-template-columns:minmax(0,1fr)}
  .postnav .pn-right{text-align:left}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .faq-section,.cta-section{padding-top:44px}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:28px 22px;border-radius:18px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px;padding-bottom:36px}
  .site-footer{margin-top:44px;padding-top:48px}
  .footer-bottom{font-size:12.5px}
  .to-top{right:16px;bottom:16px;width:44px;height:44px}
  .faq-q{padding:14px 16px;font-size:15px}
  .faq-a-inner{margin:0 16px 16px 16px}
}
@media (max-width:479px){
  .notice-inner{font-size:13px}
  .article-head h1{font-size:26px}
  .brand-text{font-size:15.5px}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .article-badges{gap:6px}
  .btn{height:44px;padding:0 20px;font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* roulang page: category2 */
:root{
  --brand:#5B2BD9;
  --brand-deep:#3A1A94;
  --brand-soft:rgba(91,43,217,.08);
  --action:#FF6A2B;
  --action-deep:#E85A1C;
  --spark:#B8F03C;
  --bg:#F7F5FA;
  --surface:#FFFFFF;
  --band:#F0ECF9;
  --dark:#17102A;
  --dark-2:#211739;
  --ink:#1A1424;
  --ink-2:#4A4356;
  --ink-3:#7C7488;
  --line:#E7E3EF;
  --ok:#17A46A;
  --warn:#E0A21A;
  --err:#E23D3D;
  --r-card:18px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-card:0 10px 30px rgba(23,16,42,.06);
  --sh-hover:0 18px 40px rgba(23,16,42,.12);
  --ease:cubic-bezier(.2,.8,.2,1);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:rgba(91,43,217,.18)}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:88px 0}
.section--band{background:var(--band)}
.section--white{background:var(--surface)}
.section--dark{background:var(--dark);color:#F3F0FA}
.section--dark h2,.section--dark h3{color:#F3F0FA}

.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;
  padding:10px 18px;border-radius:0 0 10px 0;z-index:200;
}
.skip-link:focus{left:0;color:#fff}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(91,43,217,.24)}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(91,43,217,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-action{background:var(--action);color:#fff;box-shadow:0 8px 20px rgba(255,106,43,.26)}
.btn-action:hover{background:var(--action-deep);color:#fff;transform:translateY(-1px)}
.btn-outline{border:1.5px solid var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.65);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--brand-soft);color:var(--brand-deep);
}
.badge--spark{background:var(--spark);color:#2A3A05}
.badge--action{background:rgba(255,106,43,.14);color:var(--action-deep)}
.badge--line{background:transparent;border:1px solid var(--line);color:var(--ink-2)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(247,245,250,.92);
  backdrop-filter:none;
  border-bottom:1px solid transparent;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(23,16,42,.06);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:72px;
  transition:min-height .2s var(--ease);
}
.site-header.is-scrolled .header-inner{min-height:64px}

.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;
}
.brand:hover{color:var(--brand)}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;
}
.brand-mark svg{width:20px;height:20px}
.brand-text{white-space:nowrap}

.nav{display:flex;align-items:center;gap:28px}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 12px;font-size:15px;font-weight:500;color:var(--ink-2);
  border-radius:8px;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  border-radius:3px;background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{height:42px;padding:0 22px;font-size:14px}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{
  display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.breadcrumb-list{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0;font-size:13.5px;color:var(--ink-3);
}
.breadcrumb-list li{display:flex;align-items:center;gap:8px}
.breadcrumb-list li+li::before{content:"›";color:var(--ink-3)}
.breadcrumb-list a{color:var(--ink-2)}
.breadcrumb-list a:hover{color:var(--brand)}
.breadcrumb-current{color:var(--ink);font-weight:600}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  padding:80px 0 72px;
  color:#F3F0FA;
  background-color:var(--dark);
  background-image:
    linear-gradient(100deg,rgba(23,16,42,.94) 0%,rgba(58,26,148,.86) 52%,rgba(58,26,148,.62) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center right;
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:420px;height:420px;
  background-image:radial-gradient(rgba(184,240,60,.5) 1.4px,transparent 1.4px);
  background-size:18px 18px;opacity:.16;pointer-events:none;
}
.cat-hero .container{position:relative;z-index:1}
.cat-hero-inner{max-width:720px}
.cat-hero h1{
  font-size:clamp(28px,4.4vw,48px);
  font-weight:800;letter-spacing:-.01em;line-height:1.22;
  color:#fff;margin-bottom:18px;
}
.cat-hero-lead{
  font-size:16.5px;line-height:1.9;color:rgba(243,240,250,.82);
  margin-bottom:28px;
}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-facts{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;
  border-top:1px solid rgba(255,255,255,.16);padding-top:24px;
}
.hero-fact{padding-right:12px}
.hero-fact dt{font-size:12.5px;color:rgba(243,240,250,.66);margin-bottom:4px}
.hero-fact dd{margin:0;font-size:17px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums}

/* ---------- 分栏主体 ---------- */
.cat-layout{
  display:grid;grid-template-columns:240px minmax(0,1fr);gap:32px;align-items:start;
}
.cat-side{position:sticky;top:96px}
.side-title{
  font-size:13px;font-weight:700;color:var(--ink-3);
  letter-spacing:.08em;margin-bottom:14px;
}
.side-list{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:10px;box-shadow:var(--sh-card);
}
.side-list li+li{margin-top:2px}
.side-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:10px;font-size:14.5px;color:var(--ink-2);
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.side-link .dot{
  width:6px;height:6px;border-radius:50%;background:var(--line);flex:0 0 6px;
  transition:background-color .2s var(--ease);
}
.side-link:hover{background:var(--band);color:var(--brand-deep)}
.side-link.is-active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600}
.side-link.is-active .dot{background:var(--action)}
.side-card{
  margin-top:20px;padding:22px;border-radius:var(--r-card);
  background:var(--dark);color:rgba(243,240,250,.78);font-size:14px;
}
.side-card h3{font-size:16px;color:#fff;margin-bottom:10px;font-weight:700}
.side-card p{line-height:1.75;margin-bottom:16px}
.side-card .btn{height:42px;padding:0 20px;font-size:14px}

.list-head{margin-bottom:26px}
.list-head h2{font-size:clamp(22px,3vw,32px);margin-bottom:12px}
.list-head p{color:var(--ink-2);font-size:15.5px}

/* ---------- 横向条目（图右置） ---------- */
.entry-list{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
}
.entry{
  display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:26px;
  padding:28px;align-items:center;
  transition:background-color .2s var(--ease);
}
.entry+.entry{border-top:1px solid var(--line)}
.entry:hover{background:#FCFBFE}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.entry h3{font-size:19px;margin-bottom:10px}
.entry:hover h3{color:var(--brand)}
.entry p{color:var(--ink-2);font-size:15px;line-height:1.8;margin-bottom:14px}
.entry-meta{
  display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--ink-3);
  margin-bottom:18px;
}
.entry-meta li{display:inline-flex;align-items:center;gap:6px}
.entry-meta li::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--brand);opacity:.5;
}
.entry-actions{display:flex;flex-wrap:wrap;gap:12px}

.media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  background:linear-gradient(135deg,var(--band) 0%,#E4DDF5 100%);
  aspect-ratio:16/10;
}
.media img{
  position:relative;z-index:1;width:100%;height:100%;object-fit:cover;
  transition:transform .3s var(--ease);
}
.entry:hover .media img{transform:scale(1.03)}
.media::after{
  content:"";position:absolute;inset:auto 12px 12px auto;width:22px;height:22px;
  border-radius:6px;border:2px solid rgba(91,43,217,.16);
}
img.is-broken{opacity:0}

/* ---------- 更新节奏（深底） ---------- */
.section--dark .lead{color:rgba(243,240,250,.72);max-width:720px;margin-top:14px}
.flow{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:44px;
  position:relative;
}
.flow::before{
  content:"";position:absolute;top:22px;left:6%;right:6%;height:2px;
  background-image:linear-gradient(90deg,rgba(243,240,250,.28) 50%,transparent 50%);
  background-size:14px 2px;background-repeat:repeat-x;
}
.flow-item{position:relative;padding-top:64px}
.flow-num{
  position:absolute;top:0;left:0;width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;font-weight:800;font-size:15px;
  border:2px solid transparent;
}
.flow-item.is-active .flow-num{border-color:var(--spark);box-shadow:0 0 0 6px rgba(184,240,60,.14)}
.flow-item h3{font-size:17px;margin-bottom:8px}
.flow-item p{font-size:14.5px;color:rgba(243,240,250,.72);line-height:1.8}
.flow-item .tag{
  display:inline-block;margin-top:12px;font-size:12px;color:var(--spark);font-weight:600;
}

/* ---------- 配置要求表格 ---------- */
.table-wrap{
  margin-top:32px;overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--surface);box-shadow:var(--sh-card);
}
table.spec{width:100%;border-collapse:collapse;min-width:640px}
table.spec th,table.spec td{
  padding:18px 20px;text-align:left;font-size:14.6px;border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.spec thead th{
  background:var(--band);font-size:13px;letter-spacing:.04em;color:var(--ink-2);
  font-weight:700;white-space:nowrap;
}
table.spec tbody tr:last-child td{border-bottom:0}
table.spec tbody tr:nth-child(even){background:#FCFBFE}
table.spec td:first-child{font-weight:600;color:var(--ink)}
.table-note{margin-top:14px;font-size:13px;color:var(--ink-3)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;margin-top:32px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:box-shadow .2s var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-card)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:100%;padding:18px 22px;min-height:60px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-q .ico{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;line-height:1;transition:transform .25s var(--ease),background-color .2s var(--ease);
}
.faq-item.is-open .faq-q{color:var(--brand-deep)}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a-inner{
  padding:0 22px 20px 38px;border-left:3px solid var(--brand);margin-left:22px;
  font-size:15px;color:var(--ink-2);line-height:1.8;
}
.faq-item.is-open .faq-a{max-height:420px}

/* ---------- 咨询表单 ---------- */
.consult-grid{
  display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;
}
.consult-points{display:grid;gap:18px;margin:24px 0 28px}
.consult-points li{
  display:grid;grid-template-columns:26px minmax(0,1fr);gap:12px;
  font-size:15px;color:var(--ink-2);
}
.consult-points .num{
  width:26px;height:26px;border-radius:8px;background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.consult-contact{
  border-top:1px solid var(--line);padding-top:20px;font-size:14px;color:var(--ink-3);
  display:grid;gap:8px;
}
.consult-contact strong{color:var(--ink)}

.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-card);
}
.form-card h3{font-size:20px;margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink)}
.field .req{color:var(--err)}
.input,.select,.textarea{
  width:100%;background:#FBFAFD;border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 14px;height:46px;font-size:15px;color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.75;resize:vertical}
.select{
  appearance:none;-webkit-appearance:none;padding-right:40px;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path d='M1 1l5 5 5-5' stroke='%237C7488' stroke-width='1.8' fill='none' stroke-linecap='round'/></svg>");
  background-repeat:no-repeat;background-position:right 14px center;
}
.input:hover,.select:hover,.textarea:hover{border-color:#D6CFE6}
.input:focus,.select:focus,.textarea:focus{
  outline:none;background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(91,43,217,.18);
}
.field.has-error .input,.field.has-error .select,.field.has-error .textarea{
  border-color:var(--err);background:#FFF7F7;
}
.field-error{display:none;margin-top:8px;font-size:12.5px;color:var(--err)}
.field.has-error .field-error{display:block}
.form-privacy{margin-top:14px;font-size:12px;color:var(--ink-3);line-height:1.7}
.form-alert{
  display:none;align-items:center;gap:10px;margin-bottom:20px;padding:12px 16px;
  border-radius:12px;background:rgba(23,164,106,.1);color:#0F7A4E;font-size:14px;font-weight:600;
}
.form-alert.is-show{display:flex}

/* ---------- 底部 CTA 条 ---------- */
.cta-strip{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  margin-top:36px;padding:26px 30px;border-radius:var(--r-card);
  background:linear-gradient(120deg,var(--brand) 0%,var(--brand-deep) 100%);color:#fff;
}
.cta-strip h3{color:#fff;font-size:19px;margin-bottom:6px}
.cta-strip p{color:rgba(255,255,255,.82);font-size:14.5px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(243,240,250,.72);padding:72px 0 0;font-size:14px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;
}
.footer-brand .brand{color:#fff;font-size:16px}
.footer-brand .brand:hover{color:var(--spark)}
.footer-desc{margin:18px 0;line-height:1.85;max-width:340px}
.footer-contact{display:grid;gap:8px;font-size:13.5px}
.footer-contact strong{color:#F3F0FA;font-weight:600}
.footer-col h4{
  font-size:15px;color:#fff;margin-bottom:18px;font-weight:700;letter-spacing:.02em;
}
.footer-col li+li{margin-top:10px}
.footer-col a{
  color:rgba(243,240,250,.72);display:inline-block;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:var(--spark);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(243,240,250,.6);
}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:28px;bottom:28px;z-index:130;
  width:48px;height:48px;border-radius:50%;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 26px rgba(91,43,217,.32);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease),background-color .2s var(--ease);
}
.back-top.is-show{opacity:1;visibility:visible;transform:none}
.back-top:hover{background:var(--brand-deep)}
.back-top svg{width:18px;height:18px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .cat-layout{grid-template-columns:220px minmax(0,1fr);gap:26px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .cat-hero{padding:64px 0 56px}
  .hero-facts{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 24px}
  .flow::before{display:none}
  .flow-item{padding-top:58px}
  .consult-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}

  .nav-toggle{display:flex}
  .nav{
    position:fixed;top:0;right:0;bottom:0;width:82%;max-width:380px;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--dark);padding:88px 24px 28px;
    transform:translateX(102%);transition:transform .28s var(--ease);
    z-index:125;overflow-y:auto;
  }
  .nav.is-open{transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{
    font-size:18px;color:#F3F0FA;padding:14px 8px;border-radius:10px;
  }
  .nav-link::after{display:none}
  .nav-link:hover{background:rgba(255,255,255,.08);color:#fff}
  .nav-link.is-active{color:var(--spark);background:rgba(255,255,255,.06)}
  .nav-cta{margin-top:24px;height:48px;width:100%}
  body.nav-open{overflow:hidden}
}
@media (max-width:900px){
  .cat-layout{grid-template-columns:1fr;gap:24px}
  .cat-side{position:static}
  .side-title{display:none}
  .side-list{
    display:flex;gap:10px;overflow-x:auto;padding:10px;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .side-list::-webkit-scrollbar{display:none}
  .side-list li+li{margin-top:0}
  .side-link{white-space:nowrap;background:var(--band);padding:9px 16px;font-size:14px}
  .side-link.is-active{background:var(--brand);color:#fff}
  .side-link.is-active .dot{background:var(--spark)}
  .side-link .dot{display:none}
  .side-card{margin-top:18px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:44px 0}
  .section--dark{padding:52px 0}
  .cat-hero{padding:48px 0 44px}
  .cat-hero-lead{font-size:15.5px}
  .cat-hero-actions .btn{width:100%}
  .hero-facts{gap:14px;padding-top:20px}
  .hero-fact dd{font-size:16px}
  .entry{grid-template-columns:1fr;gap:18px;padding:22px}
  .entry-media{order:-1;max-width:100%}
  .entry-actions .btn{flex:1 1 auto}
  .cta-strip{padding:22px;flex-direction:column;align-items:flex-start}
  .cta-strip .btn{width:100%}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .back-top{right:16px;bottom:16px;width:44px;height:44px}
  .faq-q{padding:16px 18px;font-size:15.5px}
  .faq-a-inner{padding:0 18px 18px 20px;margin-left:16px}
}
@media (max-width:479px){
  body{font-size:15.5px}
  .cat-hero h1{font-size:28px}
  .entry h3{font-size:17.5px}
  .hero-facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow{grid-template-columns:1fr}
  .btn{height:44px;padding:0 22px;font-size:14.5px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
}

/* roulang page: category3 */
:root{
  --brand:#5B2BD9;
  --brand-deep:#3A1A94;
  --action:#FF6A2B;
  --action-deep:#E85A1C;
  --spark:#B8F03C;
  --bg:#F7F5FA;
  --surface:#FFFFFF;
  --band:#F0ECF9;
  --dark:#17102A;
  --dark-ink:#F3F0FA;
  --dark-ink-2:rgba(243,240,250,.72);
  --ink:#1A1424;
  --ink-2:#4A4356;
  --ink-3:#7C7488;
  --line:#E7E3EF;
  --ok:#17A46A;
  --warn:#E0A21A;
  --err:#E23D3D;
  --r-card:18px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-card:0 10px 30px rgba(23,16,42,.06);
  --sh-hover:0 18px 40px rgba(23,16,42,.12);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section--band{background:var(--band)}
.section--white{background:var(--surface)}
.section--dark{background:var(--dark);color:var(--dark-ink)}
.sec-head{margin-bottom:32px}
.sec-head h2{font-size:32px;font-weight:700;line-height:1.3;letter-spacing:-.01em}
.sec-head p{margin-top:12px;font-size:16px;color:var(--ink-2);max-width:760px}
.section--dark .sec-head p{color:var(--dark-ink-2)}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;line-height:1;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 10px 24px rgba(91,43,217,.28)}
.btn-primary:active{transform:translateY(1px)}
.btn-action{background:var(--action);color:#fff}
.btn-action:hover{background:var(--action-deep);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,106,43,.28)}
.btn-action:active{transform:translateY(1px)}
.btn-outline{background:transparent;color:var(--brand);box-shadow:inset 0 0 0 1.5px var(--brand)}
.btn-outline:hover{background:rgba(91,43,217,.08);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);position:relative}
.link-more::after{content:"";position:absolute;left:0;right:18px;bottom:-3px;height:1.5px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.link-more:hover::after{transform:scaleX(1)}

/* ============ 通告条 ============ */
.notice-bar{background:var(--dark);color:var(--dark-ink);height:42px;display:flex;align-items:center;position:relative;z-index:70}
.notice-inner{display:flex;align-items:center;gap:10px;width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.notice-dot{width:8px;height:8px;border-radius:50%;background:var(--spark);flex:0 0 auto;box-shadow:0 0 0 4px rgba(184,240,60,.18)}
.notice-inner p{font-size:14px;color:var(--dark-ink-2);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin:0}
.notice-close{width:28px;height:28px;border-radius:8px;color:var(--dark-ink-2);font-size:18px;line-height:1;display:grid;place-items:center;transition:background .18s var(--ease),color .18s var(--ease)}
.notice-close:hover{background:rgba(255,255,255,.12);color:#fff}
.notice-bar.is-hidden{display:none}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(6px);
  transition:box-shadow .2s var(--ease),background .2s var(--ease);
}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:transparent;transition:background .2s var(--ease)}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(23,16,42,.06)}
.site-header.is-scrolled::after{background:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .2s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:17px;letter-spacing:-.01em}
.brand-mark{
  width:36px;height:36px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(91,43,217,.26);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{white-space:nowrap}
.nav{display:flex;align-items:center;gap:8px}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;border-radius:3px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--brand);background:rgba(91,43,217,.06)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{margin-left:8px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;position:relative;
  transition:background .2s var(--ease);
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .22s var(--ease),opacity .18s var(--ease);
}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle:hover{background:rgba(91,43,217,.08)}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(23,16,42,.5);opacity:0;visibility:hidden;
  transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:55;
}
.nav-backdrop.is-open{opacity:1;visibility:visible}

/* ============ 面包屑 ============ */
.crumbs{font-size:13.5px;line-height:1.7;color:rgba(243,240,250,.78);display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:24px}
.crumbs a{color:rgba(243,240,250,.86)}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs .sep{opacity:.6}
.crumbs .current{color:var(--spark)}

/* ============ 专题头 ============ */
.topic-hero{
  position:relative;color:var(--dark-ink);padding:72px 0 76px;overflow:hidden;
  background-color:var(--dark);
  background-image:
    linear-gradient(102deg,rgba(23,16,42,.94) 0%,rgba(58,26,148,.84) 52%,rgba(91,43,217,.58) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.topic-hero::before{
  content:"";position:absolute;right:-80px;top:-60px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,240,60,.16) 0%,rgba(184,240,60,0) 68%);
  pointer-events:none;
}
.topic-hero .container{position:relative;z-index:2}
.hero-inner{max-width:760px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(184,240,60,.16);border:1px solid rgba(184,240,60,.5);
  color:var(--spark);font-size:13px;font-weight:600;margin-bottom:20px;
}
.topic-hero h1{
  font-size:48px;font-weight:800;line-height:1.22;letter-spacing:-.01em;color:#fff;margin-bottom:20px;
}
.topic-hero .hero-lead{
  font-size:17px;line-height:1.85;color:var(--dark-ink-2);max-width:660px;margin-bottom:28px;
}
.hero-chips{display:flex;flex-wrap:wrap;gap:12px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  font-size:14px;color:var(--dark-ink);
}
.chip strong{color:#fff;font-weight:700}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--spark)}

/* ============ 主体分栏 ============ */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 268px;gap:56px;align-items:start}
.prose{max-width:100%}
.prose h2{
  position:relative;font-size:27px;font-weight:700;line-height:1.35;letter-spacing:-.01em;
  margin:52px 0 20px;padding-left:18px;
}
.prose h2:first-child{margin-top:0}
.prose h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:3px;background:var(--brand)}
.prose h3{font-size:19px;font-weight:600;line-height:1.45;margin:28px 0 10px}
.prose p{font-size:16.5px;line-height:1.9;margin-bottom:1.15em;color:var(--ink)}
.prose p:last-child{margin-bottom:0}
.prose .quote{
  margin:28px 0;padding:20px 24px;border-left:4px solid var(--brand);
  background:var(--band);border-radius:0 var(--r-img) var(--r-img) 0;
  font-size:15.5px;line-height:1.85;color:var(--ink-2);
}
.prose .quote strong{color:var(--brand-deep)}

.num-list{margin:30px 0 10px}
.num-item{position:relative;counter-increment:nstep;padding:0 0 28px 68px}
.num-list{counter-reset:nstep}
.num-item::before{
  content:counter(nstep,decimal-leading-zero);
  position:absolute;left:0;top:0;width:44px;height:44px;border-radius:50%;
  background:var(--brand);color:#fff;font-weight:800;font-size:15px;
  display:grid;place-items:center;font-variant-numeric:tabular-nums;
  box-shadow:0 8px 18px rgba(91,43,217,.22);
}
.num-item::after{
  content:"";position:absolute;left:21px;top:50px;bottom:6px;width:0;
  border-left:2px dashed var(--line);
}
.num-item:last-child{padding-bottom:0}
.num-item:last-child::after{display:none}
.num-item h3{margin:2px 0 6px;font-size:18px;font-weight:600}
.num-item p{font-size:15px;line-height:1.85;color:var(--ink-2);margin:0}

.figure-block{margin:32px 0}
.figure-block img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);background:var(--band)}
.figure-block figcaption{margin-top:10px;font-size:13px;color:var(--ink-3);text-align:center}

.plain-list{margin:22px 0 0;padding-left:0}
.plain-list li{
  position:relative;padding:12px 0 12px 26px;font-size:15.5px;line-height:1.85;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.plain-list li:last-child{border-bottom:0}
.plain-list li::before{
  content:"";position:absolute;left:4px;top:22px;width:8px;height:8px;border-radius:2px;
  background:var(--action);transform:rotate(45deg);
}
.plain-list li strong{color:var(--ink)}

/* ============ 侧栏 ============ */
.side{position:sticky;top:96px;display:grid;gap:20px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-card)}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--ink)}
.toc-list{display:grid;gap:2px}
.toc-list a{
  display:block;padding:9px 12px;border-radius:10px;font-size:14px;color:var(--ink-2);
  border-left:3px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.toc-list a:hover{background:rgba(91,43,217,.07);color:var(--brand)}
.toc-list a.is-current{background:rgba(91,43,217,.09);color:var(--brand);font-weight:600;border-left-color:var(--brand)}
.side-promo{background:var(--dark);border:0;color:var(--dark-ink);padding:0;overflow:hidden}
.side-promo img{width:100%;aspect-ratio:16/10;object-fit:cover}
.side-promo .side-promo-body{padding:20px}
.side-promo h3{color:#fff;font-size:16px;margin-bottom:8px}
.side-promo p{font-size:14px;line-height:1.8;color:var(--dark-ink-2);margin-bottom:16px}
.side-promo .btn{width:100%}

/* ============ 时间线 ============ */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:36px}
.tl-node{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 20px 22px;box-shadow:var(--sh-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.tl-node:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.tl-node::before{
  content:"";position:absolute;left:20px;right:20px;top:0;height:4px;border-radius:0 0 4px 4px;background:var(--brand);
}
.tl-idx{font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--brand);font-variant-numeric:tabular-nums}
.tl-node h3{font-size:17px;font-weight:600;margin:8px 0 8px}
.tl-node p{font-size:14px;line-height:1.8;color:var(--ink-2);margin:0}

/* ============ 对照表 ============ */
.table-wrap{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  border-radius:var(--r-card);border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--sh-card);
}
.plan-table{min-width:760px}
.plan-table th,.plan-table td{padding:18px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
.plan-table thead th{background:var(--band);font-weight:700;font-size:15px;color:var(--ink);white-space:nowrap}
.plan-table tbody th{font-weight:600;color:var(--ink);width:200px}
.plan-table tbody td{color:var(--ink-2)}
.plan-table tbody tr:last-child th,.plan-table tbody tr:last-child td{border-bottom:0}
.plan-table tbody tr:hover{background:#FBFAFD}
.plan-table .col-featured{background:rgba(91,43,217,.055);position:relative}
.plan-table thead .col-featured{background:rgba(91,43,217,.12)}
.col-featured .tag-rec{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;margin-left:8px;
  border-radius:var(--r-pill);background:var(--action);color:#fff;font-size:12px;font-weight:600;vertical-align:middle;
}
.plan-table td .no{color:var(--ink-3)}
.table-note{margin-top:14px;font-size:13.5px;color:var(--ink-3)}

/* ============ 表格下方 CTA 条 ============ */
.cta-strip{
  margin-top:44px;background:var(--dark);color:var(--dark-ink);
  border-radius:var(--r-card);padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-strip h3{font-size:22px;font-weight:700;color:#fff;margin-bottom:8px}
.cta-strip p{font-size:15px;color:var(--dark-ink-2);margin:0;max-width:560px}
.cta-strip .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:box-shadow .2s var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-card)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:62px;padding:16px 22px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:rgba(91,43,217,.1);color:var(--brand);
  display:grid;place-items:center;font-size:18px;line-height:1;font-weight:600;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.faq-item.is-open .faq-plus{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-a{display:none;padding:0 22px 22px}
.faq-item.is-open .faq-a{display:block}
.faq-a p{
  font-size:15px;line-height:1.8;color:var(--ink-2);
  border-left:3px solid var(--brand);padding-left:16px;margin:0;
}

/* ============ 表单 ============ */
.consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.consult-info h2{font-size:30px;font-weight:700;line-height:1.32;margin-bottom:16px}
.consult-info > p{font-size:16px;line-height:1.85;color:var(--ink-2);margin-bottom:26px}
.consult-points{display:grid;gap:16px;margin-bottom:28px}
.consult-points li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.consult-points .ic{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:rgba(91,43,217,.12);color:var(--brand);
  display:grid;place-items:center;font-size:14px;font-weight:800;margin-top:2px;
}
.contact-rows{display:grid;gap:8px;padding-top:22px;border-top:1px solid var(--line)}
.contact-rows span{font-size:14px;color:var(--ink-3)}
.contact-rows strong{color:var(--ink);font-weight:600}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-card);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field.wide{grid-column:1 / -1}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-input);background:#FBFAFD;
  font-size:15px;color:var(--ink);font-family:inherit;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.field textarea{min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237C7488' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;background-size:18px 18px;
  padding-right:38px;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(91,43,217,.26);
}
.field .hint{font-size:12.5px;color:var(--ink-3);margin-top:6px}
.form-privacy{font-size:12px;line-height:1.7;color:var(--ink-3);margin-top:14px}
.form-submit{width:100%;margin-top:6px}
.form-alert{
  display:none;align-items:center;gap:10px;margin-bottom:18px;padding:12px 16px;
  border-radius:12px;background:rgba(23,164,106,.1);border:1px solid rgba(23,164,106,.32);
  color:#0F6E47;font-size:14px;
}
.form-alert.is-show{display:flex}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--dark-ink-2);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{color:#fff;margin-bottom:16px;display:inline-flex}
.footer-brand .brand-mark{box-shadow:none}
.footer-desc{font-size:14px;line-height:1.85;color:var(--dark-ink-2);max-width:320px;margin-bottom:18px}
.footer-contact{display:grid;gap:8px}
.footer-contact span{font-size:13.5px;color:rgba(243,240,250,.62)}
.footer-contact strong{color:var(--dark-ink);font-weight:600}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{
  display:inline-block;font-size:14px;color:var(--dark-ink-2);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:var(--spark);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom span{font-size:13px;color:rgba(243,240,250,.6)}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
  background:var(--brand);color:#fff;display:grid;place-items:center;z-index:50;
  box-shadow:0 12px 26px rgba(91,43,217,.34);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s var(--ease),visibility .25s var(--ease),transform .25s var(--ease),background .2s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--brand-deep)}
.to-top svg{width:20px;height:20px}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 24px}
  .layout{grid-template-columns:minmax(0,1fr) 248px;gap:40px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .topic-hero{padding:56px 0 60px}
  .topic-hero h1{font-size:38px}
  .layout{grid-template-columns:1fr;gap:40px}
  .side{position:static;grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
  .consult-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-cta{display:none}
  .nav-link{padding:10px 10px;font-size:14.5px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .notice-inner{padding:0 16px}
  .notice-inner p{font-size:13px}
  .section{padding:44px 0}
  .sec-head h2{font-size:23px}
  .topic-hero{padding:40px 0 46px}
  .topic-hero h1{font-size:29px}
  .topic-hero .hero-lead{font-size:15.5px}
  .hero-chips{gap:8px}
  .chip{font-size:13px;padding:8px 12px}
  .prose h2{font-size:22px;margin:38px 0 16px;padding-left:14px}
  .prose p{font-size:16px}
  .num-item{padding-left:58px;padding-bottom:24px}
  .num-item::before{width:38px;height:38px;font-size:14px}
  .num-item::after{left:18px;top:44px}
  .side{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr;gap:16px}
  .cta-strip{padding:26px 22px;flex-direction:column;align-items:flex-start}
  .cta-strip .cta-actions{width:100%}
  .cta-strip .cta-actions .btn{width:100%}
  .consult-info h2{font-size:23px}
  .form-card{padding:22px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{right:16px;bottom:18px;width:44px;height:44px}

  .nav{
    position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;
    background:var(--dark);flex-direction:column;align-items:stretch;gap:0;
    padding:88px 24px 24px;z-index:65;transform:translateX(100%);
    transition:transform .28s var(--ease);overflow-y:auto;
  }
  .nav.is-open{transform:translateX(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{color:rgba(243,240,250,.86);font-size:18px;padding:14px 12px;border-radius:12px}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--spark);background:rgba(255,255,255,.06)}
  .nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
  .nav-cta{
    display:flex;width:100%;margin:20px 0 0;background:var(--action);
    color:#fff;height:48px;
  }
  .nav-cta:hover{background:var(--action-deep)}
  .nav-toggle{display:block;z-index:70}
  .nav-toggle.is-open span{background:#fff}
  .nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .nav-toggle.is-open span:nth-child(2){opacity:0}
  .nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
}
@media (max-width:479px){
  .topic-hero h1{font-size:26px}
  .sec-head h2{font-size:21px}
  .plan-table th,.plan-table td{padding:14px 12px;font-size:14px}
  .faq-q{font-size:15px;padding:14px 16px}
  .faq-a{padding:0 16px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}