/* roulang page: index */
*,*::before,*::after{box-sizing:border-box}
:root{
  --brand:#2A6F8F;--brand-dark:#1B4F66;--brand-light:#E8F2F6;--brand-line:#C6DEE7;
  --copper:#C07A4A;--copper-dark:#A9643A;--copper-light:#F6E9DE;
  --bg:#FBFCFD;--bg-alt:#F5F8FA;--surface:#FFFFFF;
  --line:#D9E3E8;--line-soft:#EDF2F5;
  --ink:#1C2A33;--ink-2:#5B6B74;--ink-3:#84939B;
  --ok:#2F8F6B;--warn:#C77A2E;--err:#C44A3F;
  --r-xs:8px;--r-sm:10px;--r-md:14px;--r-lg:16px;--r-xl:20px;--pill:999px;
  --sh-1:0 8px 24px rgba(20,60,80,.08);
  --sh-2:0 14px 36px rgba(20,60,80,.12);
  --sh-3:0 4px 14px rgba(20,60,80,.06);
  --max:1240px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --f-cn:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-num:Inter,"Noto Sans SC",system-ui,-apple-system,sans-serif;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--f-cn);font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
section[id],div[id]{scroll-margin-top:126px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:var(--r-sm);font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(42,111,143,.24)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 10px 22px rgba(42,111,143,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(42,111,143,.24)}
.btn-copper{background:var(--copper);color:#fff;box-shadow:0 6px 16px rgba(192,122,74,.24)}
.btn-copper:hover{background:var(--copper-dark);transform:translateY(-2px);box-shadow:0 10px 22px rgba(192,122,74,.3)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand-dark)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-ghost{background:var(--brand-light);color:var(--brand-dark)}
.btn-ghost:hover{background:#D8EAF1;transform:translateY(-2px)}
.btn-quiet{background:transparent;color:var(--ink-2);border-color:transparent;padding:0 8px;min-height:38px}
.btn-quiet:hover{color:var(--brand);background:var(--brand-light)}
.btn-sm{min-height:38px;padding:0 14px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-loading{opacity:.62;cursor:not-allowed;transform:none!important;box-shadow:none!important}
.btn.is-loading::after{content:"";width:14px;height:14px;border:2px solid rgba(255,255,255,.55);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.link-inline{color:var(--brand);font-weight:600;border-bottom:1px solid transparent;transition:border-color .18s var(--ease),color .18s var(--ease)}
.link-inline:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark)}

/* ---------- 标签 / 徽章 ---------- */
.tag{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:var(--pill);font-size:12.5px;font-weight:600;line-height:1.6;background:var(--brand-light);color:var(--brand-dark);white-space:nowrap}
.tag--copper{background:var(--copper-light);color:var(--copper-dark)}
.tag--gray{background:var(--line-soft);color:var(--ink-2)}
.tag--ok{background:#E4F3EC;color:var(--ok)}
.tag--line{background:#fff;border:1px solid var(--line);color:var(--ink-2)}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:90;background:#fff;border-bottom:1px solid var(--line-soft);transition:box-shadow .25s var(--ease)}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(20,60,80,.09)}
.brand-row{display:flex;align-items:center;gap:18px;min-height:66px;padding:10px 0}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:linear-gradient(155deg,#357E9E 0%,#1B4F66 100%);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;letter-spacing:.5px;box-shadow:0 6px 14px rgba(42,111,143,.28)}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-name{font-size:18.5px;font-weight:700;line-height:1.25;letter-spacing:.2px;white-space:nowrap}
.brand-sub{font-size:12px;color:var(--ink-3);letter-spacing:.6px;line-height:1.4}
.brand-tools{margin-left:auto;display:flex;align-items:center;gap:8px}
.nav-search-toggle{width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;color:var(--ink-2);display:grid;place-items:center;cursor:pointer;transition:.18s var(--ease)}
.nav-search-toggle:hover{color:var(--brand);border-color:var(--brand-line);background:var(--brand-light)}
.nav-search-toggle svg{width:18px;height:18px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-2);border-radius:2px}
.nav-toggle:hover span{background:var(--brand)}
.channel-row{border-top:1px solid var(--line-soft)}
.channel-inner{display:flex;align-items:center;gap:26px;min-height:50px}
.channel-list{display:flex;align-items:center;gap:26px;flex:1;min-width:0}
.channel-link{position:relative;display:inline-block;padding:14px 0 15px;font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;transition:color .18s var(--ease)}
.channel-link::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.channel-link:hover{color:var(--brand-dark)}
.channel-link:hover::after{transform:scaleX(1)}
.channel-link.is-active{color:var(--brand-dark);font-weight:700}
.channel-link.is-active::after{transform:scaleX(1)}
.channel-hot{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);white-space:nowrap}
.channel-hot a{padding:3px 10px;border-radius:var(--pill);background:var(--line-soft);color:var(--ink-2);font-size:12.5px;transition:.18s var(--ease)}
.channel-hot a:hover{background:var(--brand-light);color:var(--brand-dark)}
.search-panel{display:none;border-top:1px solid var(--line-soft);background:var(--bg-alt);padding:18px 0}
.search-panel.is-open{display:block}
.search-box{display:flex;gap:10px;max-width:620px}
.search-box input{flex:1;min-height:46px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;transition:.18s var(--ease)}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,111,143,.12)}
.hot-words{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;align-items:center}
.hot-words span{font-size:13px;color:var(--ink-3)}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:130;background:rgba(28,42,51,.45);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease)}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{position:absolute;top:0;right:0;width:min(86vw,350px);height:100%;background:#fff;padding:22px 22px 34px;overflow-y:auto;transform:translateX(100%);transition:transform .3s var(--ease)}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line-soft)}
.drawer-title{font-weight:700;font-size:16px}
.drawer-close{width:36px;height:36px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;cursor:pointer;font-size:18px;line-height:1;color:var(--ink-2)}
.drawer-nav{display:flex;flex-direction:column;gap:2px;padding:16px 0}
.drawer-nav a{padding:13px 12px;border-radius:var(--r-sm);font-size:16px;color:var(--ink);font-weight:500;transition:.18s var(--ease)}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--brand-light);color:var(--brand-dark);font-weight:700}
.drawer-sub{font-size:13px;color:var(--ink-3);padding:6px 12px 10px}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px;padding:0 12px 18px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-soft);background:#fff}
.hero-bg{position:absolute;inset:0;background:url("/assets/images/backpic/back-1.webp") center right/cover no-repeat;opacity:.55}
.hero-veil{position:absolute;inset:0;background:linear-gradient(102deg,rgba(251,252,253,.98) 0%,rgba(251,252,253,.94) 42%,rgba(232,242,246,.72) 100%)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(42,111,143,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(42,111,143,.045) 1px,transparent 1px);background-size:52px 52px;mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 78%)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:52px;padding:70px 0 66px;align-items:start}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--pill);background:var(--copper-light);color:var(--copper-dark);font-size:13px;font-weight:700;letter-spacing:.4px;margin-bottom:20px}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--copper);display:block}
.hero-title{font-size:clamp(30px,3.5vw,46px);line-height:1.2;letter-spacing:-.8px;color:#14232B}
.hero-title em{font-style:normal;color:var(--brand-dark);border-bottom:3px solid var(--copper-light)}
.hero-lead{margin-top:20px;font-size:16.5px;line-height:1.85;color:var(--ink-2);max-width:600px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-points .tag{background:#fff;border:1px solid var(--line);color:var(--ink-2);font-weight:500}
.hero-points .tag b{color:var(--brand-dark);font-weight:700}

/* 登录卡 */
.login-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-2);padding:26px 26px 24px;position:relative;overflow:hidden}
.login-card::before{content:"";position:absolute;left:0;top:0;right:0;height:4px;background:linear-gradient(90deg,var(--brand) 0%,var(--copper) 100%)}
.login-title{font-size:20px;font-weight:700;letter-spacing:-.2px}
.login-sub{margin-top:6px;font-size:13.5px;color:var(--ink-3);line-height:1.7}
.field{margin-top:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field input[type="text"],.field input[type="password"]{width:100%;min-height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.field input::placeholder{color:#A9B6BD}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,111,143,.13)}
.field.has-error input{border-color:var(--err);box-shadow:0 0 0 3px rgba(196,74,63,.1)}
.field.has-error label{color:var(--err)}
.login-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;font-size:13.5px}
.checkbox{display:inline-flex;align-items:center;gap:8px;color:var(--ink-2);cursor:pointer;user-select:none}
.checkbox input{width:17px;height:17px;accent-color:var(--brand);cursor:pointer}
.login-btn{margin-top:20px;min-height:48px;font-size:16px}
.login-msg{margin-top:14px;font-size:13.5px;line-height:1.7;border-radius:var(--r-sm);padding:0;max-height:0;overflow:hidden;transition:all .25s var(--ease)}
.login-msg.is-show{padding:10px 14px;max-height:120px}
.login-msg.msg-info{background:var(--brand-light);color:var(--brand-dark)}
.login-msg.msg-err{background:#FBEAE8;color:var(--err)}
.login-msg.msg-ok{background:#E4F3EC;color:var(--ok)}
.login-foot{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--ink-3)}
.login-foot a{color:var(--brand);font-weight:600}
.login-foot a:hover{color:var(--brand-dark)}
.login-note{margin-top:14px;display:flex;gap:8px;font-size:12.5px;color:var(--ink-3);line-height:1.65}
.login-note svg{flex:0 0 auto;width:15px;height:15px;margin-top:3px;color:var(--ok)}

/* ---------- 数据条 ---------- */
.metrics{background:var(--bg-alt);border-bottom:1px solid var(--line-soft)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:30px 0}
.metric{padding:4px 26px;border-left:1px solid var(--line)}
.metric:first-child{border-left:none;padding-left:0}
.metric-num{font-family:var(--f-num);font-size:27px;font-weight:700;color:var(--brand-dark);letter-spacing:-.6px;line-height:1.25}
.metric-num small{font-size:15px;font-weight:600;margin-left:2px}
.metric-label{margin-top:2px;font-size:13.5px;color:var(--ink-2)}

/* ---------- 板块通用 ---------- */
.section{padding:80px 0}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section--tight{padding:64px 0}
.sec-head{max-width:760px;margin-bottom:42px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.2px;color:var(--copper-dark);background:var(--copper-light);padding:5px 13px;border-radius:var(--pill);margin-bottom:16px}
.sec-title{font-size:clamp(24px,2.5vw,34px);line-height:1.28;letter-spacing:-.6px}
.sec-desc{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-2)}
.sec-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;max-width:none}

/* ---------- 权益对比表 ---------- */
.cmp-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1)}
table.cmp{width:100%;border-collapse:separate;border-spacing:0;font-size:15px}
.cmp thead th{position:sticky;top:118px;z-index:6;background:#fff;text-align:left;padding:18px 20px;font-size:14px;font-weight:700;color:var(--ink-2);border-bottom:1px solid var(--line);vertical-align:bottom}
.cmp thead th:first-child{border-top-left-radius:var(--r-lg)}
.cmp thead th:last-child{border-top-right-radius:var(--r-lg)}
.cmp thead th .th-name{display:block;font-size:15.5px;color:var(--ink)}
.cmp thead th .th-note{display:block;font-size:12.5px;font-weight:500;color:var(--ink-3);margin-top:3px}
.cmp thead th.is-reco{background:var(--brand-light);color:var(--brand-dark)}
.cmp thead th.is-reco .th-name{color:var(--brand-dark)}
.cmp thead th.is-reco .th-note{color:#4A8AA5}
.cmp tbody td{padding:16px 20px;border-bottom:1px solid var(--line-soft);color:var(--ink-2);vertical-align:middle}
.cmp tbody tr:nth-child(even) td{background:#FAFCFD}
.cmp tbody tr:hover td{background:var(--brand-light)}
.cmp tbody tr:last-child td{border-bottom:none}
.cmp tbody tr:last-child td:first-child{border-bottom-left-radius:var(--r-lg)}
.cmp tbody tr:last-child td:last-child{border-bottom-right-radius:var(--r-lg)}
.cmp td:first-child{font-weight:600;color:var(--ink);font-size:15.5px}
.cmp td.is-reco{background:var(--brand-light)}
.cmp tbody tr:nth-child(even) td.is-reco{background:#E0EEF3}
.cmp tbody tr:hover td.is-reco{background:#D8EAF1}
.val-yes{color:var(--ok);font-weight:600}
.val-no{color:var(--ink-3)}
.val-part{color:var(--warn);font-weight:600}
.cmp-hint{margin-top:16px;font-size:13.5px;color:var(--ink-3);display:flex;align-items:center;gap:8px;flex-wrap:wrap}

/* ---------- 等级阶梯 ---------- */
.tier-line{position:relative;padding-left:4px}
.tier-line::before{content:"";position:absolute;left:23px;top:16px;bottom:16px;width:2px;background:linear-gradient(180deg,var(--brand-light) 0%,var(--line) 48%,var(--copper-light) 100%);border-radius:2px}
.tier-item{position:relative;display:grid;grid-template-columns:48px 1fr;gap:22px;padding-bottom:26px}
.tier-item:last-child{padding-bottom:0}
.tier-badge{position:relative;z-index:2;width:48px;height:48px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);display:grid;place-items:center;font-family:var(--f-num);font-weight:700;font-size:14px;color:var(--brand-dark);box-shadow:var(--sh-3)}
.tier-item.is-top .tier-badge{background:var(--copper);border-color:var(--copper);color:#fff;box-shadow:0 8px 18px rgba(192,122,74,.28)}
.tier-body{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 26px;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.tier-body:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-line)}
.tier-head{display:flex;align-items:center;flex-wrap:wrap;gap:12px}
.tier-name{font-size:19px;font-weight:700;letter-spacing:-.2px}
.tier-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tier-desc{margin-top:14px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.tier-cta{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}

/* ---------- 锁定预览 ---------- */
.lock-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.lock-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease);display:flex;flex-direction:column}
.lock-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.lock-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--line-soft)}
.lock-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.lock-card:hover .lock-thumb img{transform:scale(1.05)}
.lock-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(28,42,51,0) 42%,rgba(28,42,51,.42) 100%)}
.lock-badge{position:absolute;left:14px;top:14px;z-index:2}
.lock-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}
.lock-title{font-size:17.5px;font-weight:700;line-height:1.5;letter-spacing:-.2px}
.lock-meta{margin-top:9px;display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--ink-3)}
.lock-preview{margin-top:14px;font-size:14.5px;line-height:1.8;color:var(--ink-2);filter:blur(3.2px);opacity:.6;user-select:none;pointer-events:none;flex:1}
.lock-action{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px dashed var(--line)}
.lock-action span{font-size:12.5px;color:var(--ink-3)}
.lock-ico{width:16px;height:16px;flex:0 0 auto;color:var(--copper)}

/* ---------- 最新信息 CMS ---------- */
.cms-list{display:grid;gap:18px}
.cms-item{display:grid;grid-template-columns:230px 1fr;gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:16px;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.cms-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-line)}
.cms-thumb{display:block;border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;background:var(--line-soft)}
.cms-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.cms-item:hover .cms-thumb img{transform:scale(1.05)}
.cms-body{display:flex;flex-direction:column;padding:4px 6px 4px 0;min-width:0}
.cms-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.cms-title{margin-top:12px;font-size:19px;font-weight:700;line-height:1.5;letter-spacing:-.2px;transition:color .18s var(--ease)}
.cms-title a{display:block}
.cms-item:hover .cms-title{color:var(--brand-dark)}
.cms-sum{margin-top:10px;font-size:14.8px;line-height:1.8;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-bottom{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:var(--ink-3)}
.cms-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);transition:gap .18s var(--ease),color .18s var(--ease)}
.cms-more:hover{gap:10px;color:var(--brand-dark)}
.cms-empty{background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);padding:56px 24px;text-align:center;box-shadow:var(--sh-1)}
.cms-empty-ico{width:56px;height:56px;margin:0 auto 18px;border-radius:50%;background:var(--brand-light);display:grid;place-items:center;color:var(--brand);font-size:22px}
.cms-empty p{font-size:16px;color:var(--ink-2)}
.cms-empty .btn{margin-top:20px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease)}
.faq-item:hover{border-color:var(--brand-line);background:#FCFEFF}
.faq-item[open]{border-color:var(--brand-line);box-shadow:var(--sh-1)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;padding:19px 22px;font-size:16.5px;font-weight:600;line-height:1.6;color:var(--ink);transition:color .18s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-dark)}
.faq-item summary .q-num{flex:0 0 auto;font-family:var(--f-num);font-size:13px;font-weight:700;color:var(--brand);background:var(--brand-light);border-radius:var(--r-xs);padding:2px 8px}
.faq-item summary .q-text{flex:1;min-width:0}
.faq-item summary .q-arrow{flex:0 0 auto;width:10px;height:10px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(45deg);transition:transform .25s var(--ease);margin-right:4px}
.faq-item[open] summary .q-arrow{transform:rotate(-135deg)}
.faq-answer{padding:0 22px 22px 72px;font-size:15.3px;line-height:1.85;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-xl);border:1px solid var(--brand-line);background:#fff;box-shadow:var(--sh-2)}
.cta-band-bg{position:absolute;inset:0;background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;opacity:.2}
.cta-band-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(232,242,246,.96) 0%,rgba(255,255,255,.9) 55%,rgba(246,233,222,.86) 100%)}
.cta-band-inner{position:relative;padding:52px 52px;display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center}
.cta-title{font-size:clamp(24px,2.4vw,32px);line-height:1.3;letter-spacing:-.5px}
.cta-desc{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:640px}
.cta-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cta-actions{display:flex;flex-direction:column;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1)}
.cta-actions .btn{width:100%}
.cta-note{font-size:12.5px;color:var(--ink-3);line-height:1.7;text-align:center;margin-top:2px}

/* ---------- 页脚 ---------- */
.site-footer{background:#16262E;color:#C7D6DD;padding:62px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(155deg,#357E9E 0%,#1B4F66 100%);display:grid;place-items:center;color:#fff;font-weight:700;font-size:15px}
.footer-name{font-size:17px;font-weight:700;color:#fff;letter-spacing:.2px}
.footer-desc{font-size:14px;line-height:1.85;color:#9DB1BA;max-width:360px}
.footer-domain{margin-top:14px;font-family:var(--f-num);font-size:13px;color:#7E96A0;letter-spacing:.4px}
.footer-col h4{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.6px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#9DB1BA;transition:color .18s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-contact li{font-size:14px;color:#9DB1BA;line-height:1.75}
.footer-contact strong{display:block;color:#DDE8EC;font-weight:600;font-size:13.5px}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:22px 0 30px;font-size:13px;color:#7E96A0}
.footer-bottom a{color:#9DB1BA}
.footer-bottom a:hover{color:#fff}
.to-top{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--pill);border:1px solid rgba(255,255,255,.16);color:#C7D6DD;font-size:13px;transition:.2s var(--ease)}
.to-top:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.3);color:#fff}

/* ---------- 滚动出现 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 22px}
  .hero-inner{gap:40px;padding:60px 0 56px}
  .cmp thead th{top:112px}
}
@media (max-width:1024px){
  .channel-inner{gap:18px}
  .channel-list{gap:20px}
  .channel-hot{display:none}
  .hero-inner{grid-template-columns:1fr;gap:38px;padding:52px 0 52px}
  .login-card{max-width:560px}
  .lock-grid{grid-template-columns:repeat(2,1fr)}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:22px 0}
  .metric:nth-child(3){border-left:none;padding-left:0}
  .metric{padding:4px 20px}
  .cta-band-inner{grid-template-columns:1fr;padding:40px 34px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cmp thead th{top:106px}
}
@media (max-width:900px){
  .channel-row{display:none}
  .nav-toggle{display:inline-flex}
  .brand-sub{display:none}
  .cmp thead th{position:static}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .section--tight{padding:46px 0}
  .sec-head{margin-bottom:30px}
  .sec-head--split{flex-direction:column;align-items:flex-start;gap:16px}
  .hero-inner{padding:38px 0 42px}
  .hero-title{font-size:30px;letter-spacing:-.4px}
  .hero-lead{font-size:15.5px}
  .hero-cta .btn{flex:1 1 auto}
  .login-card{padding:22px 20px}
  .lock-grid{grid-template-columns:1fr}
  .cms-item{grid-template-columns:1fr;gap:16px;padding:14px}
  .cms-thumb{aspect-ratio:16/9}
  .cms-body{padding:0 4px 4px}
  .faq-answer{padding:0 20px 20px 20px}
  .faq-item summary{padding:16px 18px;font-size:15.6px}
  .cta-band-inner{padding:30px 22px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px}

  /* 表格转卡片 */
  .cmp-wrap{background:transparent;border:none;box-shadow:none}
  table.cmp{display:block;font-size:15px}
  .cmp thead{display:none}
  .cmp tbody,.cmp tr,.cmp td{display:block;width:100%}
  .cmp tbody tr{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);margin-bottom:16px;padding:6px 0 10px;box-shadow:var(--sh-1);overflow:hidden}
  .cmp tbody tr:nth-child(even) td{background:transparent}
  .cmp tbody tr:hover td{background:transparent}
  .cmp tbody td{padding:13px 18px;border-top:1px solid var(--line-soft);background:#fff!important;display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:15px}
  .cmp tbody td:first-child{border-top:none;padding-top:16px;padding-bottom:8px;font-size:17px;font-weight:700}
  .cmp tbody td:not(:first-child)::before{content:attr(data-label);color:var(--ink-3);font-size:13.5px;font-weight:500}
  .cmp tbody td.is-reco{background:#F4FAFC!important}
  .cmp tbody tr:last-child td:first-child{border-bottom-left-radius:0}
  .cmp tbody tr:last-child td:last-child{border-bottom-right-radius:0}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-name{font-size:16.5px}
  .brand-mark{width:36px;height:36px;font-size:13px}
  .brand-tools .btn{display:none}
  .brand-tools .btn-toggle-keep{display:inline-flex}
  .hero-title{font-size:26px}
  .hero-cta{gap:10px}
  .hero-cta .btn{width:100%}
  .metrics-grid{grid-template-columns:1fr;gap:0}
  .metric{border-left:none!important;padding:14px 0;border-top:1px solid var(--line)}
  .metric:first-child{border-top:none;padding-top:0}
  .tier-item{grid-template-columns:38px 1fr;gap:14px}
  .tier-line::before{left:18px}
  .tier-badge{width:38px;height:38px;border-radius:12px;font-size:12px}
  .tier-body{padding:18px 18px}
  .cms-title{font-size:17px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --c-primary:#2A6F8F;
  --c-primary-dark:#1B4F66;
  --c-primary-light:#E8F2F6;
  --c-primary-soft:#F2F8FA;
  --c-accent:#C07A4A;
  --c-accent-light:#F6E9DE;
  --c-bg:#FAF8F4;
  --c-surface:#FFFFFF;
  --c-line:#D9E3E8;
  --c-line-soft:#EEF3F5;
  --c-text:#1C2A33;
  --c-text-2:#5B6B74;
  --c-text-3:#84939B;
  --c-ok:#2F8F6B;
  --c-warn:#C77A2E;
  --c-err:#C44A3F;
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --sh-card:0 8px 24px rgba(20,60,80,.08);
  --sh-card-hover:0 14px 36px rgba(20,60,80,.12);
  --sh-soft:0 2px 8px rgba(20,60,80,.05);
  --w-max:1240px;
  --sp-1:8px;
  --sp-2:12px;
  --sp-3:16px;
  --sp-4:24px;
  --sp-5:32px;
  --sp-6:48px;
  --sp-7:72px;
  --font-cn:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background-color:var(--c-bg);
  background-image:
    linear-gradient(rgba(28,42,51,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(28,42,51,.022) 1px,transparent 1px);
  background-size:28px 28px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease,opacity .18s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--w-max);margin-inline:auto;padding-inline:24px}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(42,111,143,.22)}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(42,111,143,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(42,111,143,.2)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:rgba(255,255,255,.7)}
.btn-outline:hover{background:var(--c-primary-light);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(192,122,74,.22)}
.btn-accent:hover{background:#A9663B;transform:translateY(-2px)}
.btn-ghost{background:var(--c-primary-light);color:var(--c-primary-dark)}
.btn-ghost:hover{background:#DCEBEF}
.btn-sm{min-height:36px;padding:0 15px;font-size:13.5px;border-radius:9px}
.btn-lg{min-height:50px;padding:0 28px;font-size:16px}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.btn.is-loading::after{
  content:"";width:14px;height:14px;border-radius:50%;
  border:2px solid rgba(255,255,255,.4);border-top-color:#fff;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1.6;
  background:var(--c-primary-light);color:var(--c-primary-dark);
}
.tag--accent{background:var(--c-accent-light);color:#9A5B31}
.tag--soft{background:#F1F5F7;color:var(--c-text-2)}
.tag--line{background:transparent;border:1px dashed var(--c-line);color:var(--c-text-2);font-weight:500}
.tag--line:hover{border-color:var(--c-primary);color:var(--c-primary)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
  background:var(--c-primary-light);color:var(--c-primary-dark);
  border:1px solid rgba(42,111,143,.18);
}
.badge--accent{background:var(--c-accent-light);color:#9A5B31;border-color:rgba(192,122,74,.22)}

/* ---------- 站点头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 22px rgba(20,60,80,.09)}
.site-header::after{
  content:"";display:block;height:2px;
  background:linear-gradient(90deg,var(--c-primary) 0%,rgba(42,111,143,.15) 42%,rgba(192,122,74,.55) 100%);
}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;transition:padding .2s ease}
.site-header.is-scrolled .brand-row{padding:9px 0}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:var(--c-primary);color:#fff;
  font-size:15px;font-weight:700;letter-spacing:.06em;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.35),0 6px 14px rgba(42,111,143,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--c-text)}
.brand-sub{font-size:12.5px;color:var(--c-text-3);letter-spacing:.02em}
.brand-tools{display:flex;align-items:center;gap:10px}
.nav-search-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--c-line);color:var(--c-text-2);
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.nav-search-toggle svg{width:18px;height:18px}
.nav-search-toggle:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-soft)}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:40px;border-radius:10px;border:1px solid var(--c-line);padding:0 11px;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--c-text-2);transition:transform .2s ease,opacity .2s ease}
.site-header.is-nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header.is-nav-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.is-nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.channel-row{border-top:1px dashed var(--c-line-soft)}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:48px}
.channel-list{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.channel-link{
  position:relative;padding:12px 0;font-size:14.5px;font-weight:500;color:var(--c-text-2);
  border-bottom:2px solid transparent;transition:color .18s ease,border-color .18s ease;
}
.channel-link:hover{color:var(--c-primary)}
.channel-link.is-active{color:var(--c-primary-dark);font-weight:600;border-bottom-color:var(--c-primary)}
.channel-hot{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-text-3)}
.channel-hot span{font-weight:600;color:var(--c-accent)}
.channel-hot a{padding:4px 0;border-bottom:1px dashed transparent}
.channel-hot a:hover{color:var(--c-primary);border-bottom-color:var(--c-primary)}
.search-panel{display:none;border-top:1px solid var(--c-line-soft);background:var(--c-primary-soft);padding:16px 0 18px}
.search-panel.is-open{display:block}
.search-box{display:flex;gap:10px;max-width:720px}
.search-box input{
  flex:1;min-height:46px;padding:0 16px;border:1px solid var(--c-line);
  border-radius:var(--r-input);background:#fff;font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box input::placeholder{color:var(--c-text-3)}
.search-box input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(42,111,143,.14)}
.hot-words{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:14px;font-size:13px;color:var(--c-text-3)}
.hot-words span{font-weight:600;color:var(--c-text-2)}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:20px 0 0;font-size:13.5px;color:var(--c-text-3)}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumb a{color:var(--c-text-2)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:var(--c-line)}
.crumb .current{color:var(--c-text);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章布局 ---------- */
.page-main{padding-bottom:var(--sp-7)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start;padding-top:20px}
.article-main{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:36px 42px 42px;position:relative;overflow:hidden;
}
.article-main::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--c-primary),rgba(42,111,143,.25) 60%,var(--c-accent));
}
.article-head .badge{margin-top:6px}
.article-head h1{
  font-size:clamp(28px,3.3vw,40px);line-height:1.28;font-weight:700;
  letter-spacing:-.01em;margin:16px 0 16px;color:var(--c-text);
}
.article-meta{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:var(--c-text-3);
  padding-bottom:16px;border-bottom:1px dashed var(--c-line);
}
.article-meta strong{color:var(--c-text-2);font-weight:600}
.article-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:16px}
.article-tags .label{font-size:13px;color:var(--c-text-3)}

/* ---------- 正文排版 ---------- */
.article-body{margin-top:28px;font-size:16.5px;line-height:1.85;color:#22323C}
.article-body h2{
  font-size:clamp(22px,2.2vw,27px);line-height:1.35;font-weight:700;
  margin:2em 0 .75em;padding-left:14px;border-left:4px solid var(--c-accent);color:var(--c-text);
}
.article-body h3{font-size:20px;line-height:1.4;font-weight:600;margin:1.7em 0 .6em;color:var(--c-primary-dark)}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em;color:var(--c-text)}
.article-body p{margin:0 0 1.15em}
.article-body a{color:var(--c-primary);border-bottom:1px dashed rgba(42,111,143,.5)}
.article-body a:hover{color:var(--c-primary-dark);border-bottom-style:solid}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin:.45em 0}
.article-body strong{font-weight:700;color:var(--c-text)}
.article-body img{border-radius:12px;margin:1.5em 0;width:100%}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13.5px;color:var(--c-text-3);text-align:center;margin-top:10px;line-height:1.6}
.article-body blockquote{
  margin:1.5em 0;padding:16px 22px;background:var(--c-primary-light);
  border-left:4px solid var(--c-primary);border-radius:0 12px 12px 0;color:var(--c-primary-dark);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;border:1px solid var(--c-line);border-radius:12px;overflow:hidden}
.article-body th{background:var(--c-primary-soft);text-align:left;font-weight:600;color:var(--c-primary-dark)}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line-soft)}
.article-body tr:last-child td{border-bottom:0}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;
  background:#F1F5F7;color:var(--c-primary-dark);padding:2px 6px;border-radius:6px;
}
.article-body pre{
  margin:1.5em 0;padding:18px 20px;background:#1C2A33;color:#E7EFF3;
  border-radius:12px;overflow:auto;font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px dashed var(--c-line);margin:2.2em 0}

/* ---------- 文章尾部操作 ---------- */
.article-foot{
  margin-top:36px;padding-top:22px;border-top:1px dashed var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.article-foot .links{display:flex;align-items:center;gap:10px;flex-wrap:wrap}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:100px}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 20px 18px;box-shadow:var(--sh-card);
}
.side-card h3{
  font-size:15.5px;font-weight:700;color:var(--c-text);
  padding-bottom:10px;margin-bottom:14px;border-bottom:1px dashed var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:8px;
}
.side-card h3 .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent)}
.side-card--accent{background:linear-gradient(180deg,var(--c-accent-light),#fff 78%);border-color:rgba(192,122,74,.28)}
.side-card--primary{background:linear-gradient(180deg,var(--c-primary-light),#fff 80%);border-color:rgba(42,111,143,.24)}
.side-text{font-size:14px;color:var(--c-text-2);line-height:1.7}
.toc-list{display:flex;flex-direction:column}
.toc-list a{
  display:block;padding:8px 0;font-size:14px;color:var(--c-text-2);
  border-bottom:1px dotted var(--c-line-soft);
}
.toc-list li:last-child a{border-bottom:0}
.toc-list a:hover{color:var(--c-primary);padding-left:6px}
.mini-list{display:flex;flex-direction:column;gap:14px}
.mini-item{display:flex;gap:12px;align-items:flex-start}
.mini-item img{width:66px;height:50px;object-fit:cover;border-radius:9px;flex:none}
.mini-item .t{font-size:14px;font-weight:600;line-height:1.5;color:var(--c-text);display:block}
.mini-item .t:hover{color:var(--c-primary)}
.mini-item .d{font-size:12.5px;color:var(--c-text-3);margin-top:4px}
.side-form{display:flex;flex-direction:column;gap:12px;margin-top:4px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;font-weight:600;color:var(--c-text-2)}
.field input{
  min-height:44px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-input);
  background:#fff;font-size:14.5px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:var(--c-text-3)}
.field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(42,111,143,.14)}
.field .hint{font-size:12.5px;color:var(--c-text-3)}
.field .err{font-size:12.5px;color:var(--c-err)}
.field.is-error input{border-color:var(--c-err)}
.form-row{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--c-text-2)}
.checkbox{display:inline-flex;align-items:center;gap:8px;cursor:pointer}
.checkbox input{width:16px;height:16px;accent-color:var(--c-primary)}
.side-note{font-size:12.5px;color:var(--c-text-3);text-align:center;margin-top:12px}
.side-note a{color:var(--c-primary);font-weight:600}

/* ---------- 会员权益对比 ---------- */
.section{padding-top:var(--sp-7)}
.section-head{max-width:760px;margin-bottom:28px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;color:var(--c-text)}
.section-head p{margin-top:10px;font-size:15.5px;color:var(--c-text-2)}
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.plan-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-card);display:flex;flex-direction:column;gap:14px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--sh-card-hover)}
.plan-card--pick{border-color:rgba(42,111,143,.4);background:linear-gradient(180deg,var(--c-primary-light),#fff 42%)}
.plan-card h3{font-size:17px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:8px}
.plan-price{font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--c-primary-dark)}
.plan-price small{font-size:13px;font-weight:500;color:var(--c-text-3);margin-left:4px}
.plan-list{display:flex;flex-direction:column;gap:9px;font-size:14px;color:var(--c-text-2)}
.plan-list li{display:flex;gap:8px;align-items:flex-start}
.plan-list li::before{content:"✓";color:var(--c-ok);font-weight:700;flex:none}
.plan-list li.off{color:var(--c-text-3)}
.plan-list li.off::before{content:"—";color:var(--c-text-3)}
.plan-card .btn{margin-top:auto}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.post-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-card);transition:transform .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover)}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-line-soft)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-thumb .tag{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);color:var(--c-primary-dark)}
.post-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:16px;font-weight:700;line-height:1.5}
.post-body h3 a:hover{color:var(--c-primary)}
.post-body p{font-size:13.5px;color:var(--c-text-2);line-height:1.7}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-text-3)}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:64px 24px;background:var(--c-surface);
  border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-light);color:var(--c-primary);font-size:26px;font-weight:700;
}
.empty-state h2{font-size:22px;font-weight:700}
.empty-state p{margin:12px auto 22px;max-width:460px;font-size:14.5px;color:var(--c-text-2)}
.empty-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:rgba(42,111,143,.35);box-shadow:var(--sh-soft)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;font-size:15.5px;font-weight:600;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:none;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-light);color:var(--c-primary-dark);font-weight:700;
  transition:transform .2s ease,background-color .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:var(--c-accent-light);color:#9A5B31}
.faq-item[open] summary{color:var(--c-primary-dark)}
.faq-answer{padding:0 20px 18px;font-size:14.5px;line-height:1.75;color:var(--c-text-2);border-top:1px dashed var(--c-line-soft);padding-top:14px}

/* ---------- 底部 CTA ---------- */
.cta-band{
  margin-top:var(--sp-7);background:linear-gradient(135deg,var(--c-primary-light),#fff 62%);
  border:1px solid rgba(42,111,143,.22);border-radius:20px;
  padding:40px 42px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh-card);
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);line-height:1.32;font-weight:700}
.cta-band p{margin-top:10px;font-size:15px;color:var(--c-text-2);max-width:620px}
.cta-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--sp-7);background:#fff;border-top:1px solid var(--c-line)}
.site-footer::before{
  content:"";display:block;height:3px;
  background:linear-gradient(90deg,var(--c-accent),rgba(192,122,74,.2) 45%,var(--c-primary));
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;
  padding:56px 0 36px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:11px;background:var(--c-primary);color:#fff;
  font-size:14px;font-weight:700;letter-spacing:.06em;
}
.footer-name{font-size:16.5px;font-weight:700}
.footer-desc{font-size:14px;color:var(--c-text-2);line-height:1.75;max-width:360px}
.footer-domain{margin-top:12px;font-size:13px;color:var(--c-text-3)}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--c-text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--c-text-2)}
.footer-col a:hover{color:var(--c-primary)}
.footer-contact li{font-size:13.5px;color:var(--c-text-2);line-height:1.65}
.footer-contact strong{display:block;font-size:13px;color:var(--c-text);font-weight:600}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 0 26px;border-top:1px dashed var(--c-line);font-size:13px;color:var(--c-text-3);
}
.to-top{font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.to-top:hover{color:var(--c-primary-dark)}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding-inline:20px}
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:26px}
  .related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1024px){
  .channel-hot{display:none}
  .article-layout{grid-template-columns:1fr;gap:24px}
  .article-side{position:static}
  .plan-grid{grid-template-columns:1fr 1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .nav-toggle{display:flex}
  .brand-sub{display:none}
  .article-main{padding:26px 20px 30px}
  .article-meta{gap:12px}
  .article-body{font-size:16px}
  .channel-row{display:none;border-top:1px solid var(--c-line-soft)}
  .site-header.is-nav-open .channel-row{display:block}
  .channel-inner{flex-direction:column;align-items:stretch;gap:0;padding:8px 0 16px}
  .channel-list{flex-direction:column;align-items:stretch;gap:0}
  .channel-link{padding:13px 0;border-bottom:1px solid var(--c-line-soft);font-size:15.5px}
  .channel-link.is-active{border-bottom-color:var(--c-line-soft);color:var(--c-primary);background:var(--c-primary-soft);padding-left:10px;border-radius:8px}
  .related-grid{grid-template-columns:1fr 1fr}
  .plan-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:40px 0 28px}
  .search-box{flex-direction:column}
  .search-box .btn{width:100%}
  .article-foot{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding-inline:16px}
  .brand-mark{width:38px;height:38px;font-size:13px}
  .brand-name{font-size:16px}
  .brand-tools .btn-sm{padding:0 12px}
  .article-main{padding:22px 16px 26px}
  .article-head h1{font-size:27px}
  .article-body table{font-size:13.5px}
  .related-grid{grid-template-columns:1fr}
  .cta-band{padding:26px 20px;border-radius:16px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}

/* roulang page: category1 */
:root{
  --brand:#2A6F8F;
  --brand-dark:#1B4F66;
  --brand-light:#E8F2F6;
  --accent:#C07A4A;
  --accent-dark:#9E5F31;
  --accent-light:#F6E9DE;
  --bg:#FBF8F3;
  --surface:#FFFFFF;
  --surface-alt:#F4F1EA;
  --line:#E2DACD;
  --line-cool:#D9E3E8;
  --text:#1C2A33;
  --text-2:#5B6B74;
  --text-3:#84939B;
  --ok:#2F8F6B;
  --warn:#C77A2E;
  --err:#C44A3F;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(20,60,80,.08);
  --sh-2:0 14px 36px rgba(20,60,80,.12);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --font-serif:"Songti SC","Noto Serif SC",Georgia,"Times New Roman","PingFang SC",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font-family:inherit;font-size:inherit}
input{outline:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:120;background:rgba(251,248,243,.97);border-bottom:1px solid var(--line);transition:box-shadow .25s ease,background .25s ease}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(20,60,80,.10)}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px;padding:10px 0;transition:min-height .25s ease,padding .25s ease}
.site-header.is-scrolled .brand-row{min-height:60px;padding:6px 0}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{width:44px;height:44px;flex:0 0 auto;border-radius:12px;background:linear-gradient(145deg,var(--brand),var(--brand-dark));color:#fff;display:grid;place-items:center;font-family:var(--font-serif);font-size:15px;letter-spacing:1px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.35)}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-name{font-family:var(--font-serif);font-size:19px;font-weight:700;letter-spacing:.4px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-sub{font-size:12px;color:var(--text-3);letter-spacing:.8px}
.brand-tools{display:flex;align-items:center;gap:10px}
.nav-search-toggle{width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;color:var(--text-2);cursor:pointer;display:grid;place-items:center;transition:all .2s ease}
.nav-search-toggle svg{width:19px;height:19px}
.nav-search-toggle:hover{color:var(--brand);border-color:rgba(42,111,143,.4);background:var(--brand-light)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;cursor:pointer;padding:0;flex-direction:column;gap:4px;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-2);border-radius:2px;transition:.25s ease}
.nav-toggle:hover span{background:var(--brand)}
.channel-row{border-top:1px dashed var(--line)}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:4px 0 10px}
.channel-list{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.channel-link{position:relative;display:inline-flex;align-items:center;min-height:42px;font-size:15px;color:var(--text-2);transition:color .2s ease}
.channel-link:hover{color:var(--brand)}
.channel-link.is-active{color:var(--brand-dark);font-weight:600}
.channel-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;background:var(--accent)}
.channel-hot{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3)}
.channel-hot a{color:var(--brand);border-bottom:1px dashed rgba(42,111,143,.45);padding-bottom:1px}
.channel-hot a:hover{color:var(--brand-dark);border-bottom-style:solid}
.search-panel{display:none;background:#fff;border-top:1px dashed var(--line);padding:18px 0 22px}
.search-panel.is-open{display:block}
.search-box{display:flex;gap:10px}
.search-box input{flex:1;min-height:46px;border:1px solid var(--line-cool);border-radius:var(--r-btn);padding:0 14px;background:#fff;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease}
.search-box input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,111,143,.14)}
.hot-words{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:14px;font-size:13px;color:var(--text-3)}

/* 按钮与标签 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(42,111,143,.22)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(42,111,143,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(42,111,143,.2)}
.btn-outline{background:#fff;border-color:rgba(42,111,143,.55);color:var(--brand)}
.btn-outline:hover{background:var(--brand-light);border-color:var(--brand);transform:translateY(-2px)}
.btn-ghost{background:var(--surface-alt);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:#fff;border-color:rgba(42,111,143,.4);color:var(--brand);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(192,122,74,.24)}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(192,122,74,.28)}
.btn-sm{min-height:38px;padding:0 15px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:13px;font-weight:500;background:var(--brand-light);color:var(--brand-dark)}
.tag--accent{background:var(--accent-light);color:var(--accent-dark)}
.tag--line{background:transparent;border:1px dashed rgba(192,122,74,.5);color:var(--accent-dark);padding:3px 11px}
.tag--line:hover{background:var(--accent-light);border-style:solid}

/* 面包屑 */
.breadcrumb{background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb ol{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 0;font-size:13px;color:var(--text-3)}
.breadcrumb li+li::before{content:"/";margin-right:10px;color:var(--line-cool)}
.breadcrumb a:hover{color:var(--brand)}

/* Hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background-image:linear-gradient(180deg,rgba(251,248,243,.93),rgba(251,248,243,.99)),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(42,111,143,.12) 1px,transparent 1px);background-size:24px 24px;opacity:.55;pointer-events:none}
.hero-inner{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:start;padding:52px 0 64px}
.hero-eyebrow{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.hero h1{font-family:var(--font-serif);font-size:clamp(30px,4vw,46px);line-height:1.2;font-weight:700;letter-spacing:.4px;color:var(--text)}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--text-2);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px;padding-top:26px;border-top:1px dashed var(--line)}
.stat-num{font-family:var(--font-serif);font-size:24px;font-weight:700;color:var(--brand-dark);line-height:1.2}
.stat-label{font-size:13px;color:var(--text-3);margin-top:4px}

/* 登录卡 */
.login-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 24px 24px;box-shadow:var(--sh-1);position:relative}
.login-card::after{content:"";position:absolute;inset:7px;border:1px dashed rgba(192,122,74,.22);border-radius:13px;pointer-events:none}
.login-card>*{position:relative}
.login-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px dashed var(--line);margin-bottom:18px}
.login-title{font-family:var(--font-serif);font-size:20px;font-weight:700}
.login-hint{font-size:13px;color:var(--text-3);margin-top:6px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:7px}
.field input{width:100%;min-height:46px;border:1px solid var(--line-cool);border-radius:var(--r-btn);padding:0 14px;background:#fff;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease}
.field input::placeholder{color:#A9B6BD}
.field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,111,143,.14)}
.field-row{display:flex;align-items:center;gap:10px}
.field-row input{flex:1}
.code-btn{flex:0 0 auto;min-height:46px;padding:0 14px;border-radius:var(--r-btn);border:1px solid rgba(42,111,143,.45);background:#fff;color:var(--brand);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}
.code-btn:hover{background:var(--brand-light)}
.login-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:6px 0 18px;font-size:13px}
.check{display:inline-flex;align-items:center;gap:8px;color:var(--text-2);cursor:pointer;min-height:32px}
.check input{width:16px;height:16px;accent-color:var(--brand)}
.login-meta a{color:var(--brand);border-bottom:1px dashed rgba(42,111,143,.4)}
.login-meta a:hover{color:var(--brand-dark);border-bottom-style:solid}
.login-divider{display:flex;align-items:center;gap:12px;margin:18px 0;font-size:13px;color:var(--text-3)}
.login-divider::before,.login-divider::after{content:"";height:1px;flex:1;background:var(--line)}
.login-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-2)}
.login-foot a{color:var(--accent-dark);font-weight:600}
.login-foot a:hover{color:var(--accent)}
.form-note{margin-top:14px;padding:10px 12px;border-radius:10px;font-size:13px;line-height:1.7;background:var(--brand-light);color:var(--brand-dark);border:1px solid rgba(42,111,143,.2)}

/* 主布局 */
.section{padding:72px 0}
.section--tight{padding:56px 0}
.section--tint{background:linear-gradient(180deg,#F5F2EB,#FBF8F3);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-family:var(--font-serif);font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;letter-spacing:.3px;margin-top:14px}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px}
.channel-layout{display:grid;grid-template-columns:238px minmax(0,1fr);gap:44px;align-items:start;padding:56px 0 8px}

/* 锚点导航 */
.anchor-nav{position:sticky;top:104px}
.anchor-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px 16px;box-shadow:var(--sh-1)}
.anchor-card h3{font-size:13px;letter-spacing:1.2px;color:var(--text-3);font-weight:600;margin-bottom:12px;padding-left:6px}
.anchor-nav ul{display:grid;gap:4px}
.anchor-nav a{display:flex;align-items:center;gap:10px;min-height:44px;padding:0 12px;border-radius:10px;font-size:14px;color:var(--text-2);border:1px solid transparent;transition:all .2s ease}
.anchor-nav a i{width:6px;height:6px;border-radius:50%;background:var(--line-cool);flex:0 0 auto;transition:background .2s ease}
.anchor-nav a:hover{background:var(--brand-light);color:var(--brand-dark);border-color:rgba(42,111,143,.22)}
.anchor-nav a:hover i{background:var(--brand)}
.anchor-nav a.is-current{background:var(--accent-light);color:var(--accent-dark);border-color:rgba(192,122,74,.32);font-weight:600}
.anchor-nav a.is-current i{background:var(--accent)}
.anchor-cta{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);display:grid;gap:10px}
.anchor-note{font-size:12px;color:var(--text-3);line-height:1.7}

/* 内容块 */
.block{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px 32px;box-shadow:var(--sh-1);scroll-margin-top:120px}
.block+.block{margin-top:26px}
.block--tint{background:linear-gradient(160deg,#FFFDF9,#F4F1EA)}
.block-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:24px}
.block-head h2{font-family:var(--font-serif);font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700;margin-top:12px}
.block-head p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:640px}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:1.6px;color:var(--accent-dark);font-weight:600}
.kicker::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px}

/* 图文权益 */
.media-split{display:grid;grid-template-columns:.85fr 1.15fr;gap:30px;align-items:stretch}
.media-frame{position:relative;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface-alt);min-height:260px}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;transition:transform .5s ease}
.media-frame:hover img{transform:scale(1.04)}
.media-frame figcaption{position:absolute;left:14px;bottom:14px;right:14px;background:rgba(27,79,102,.88);color:#fff;font-size:13px;line-height:1.6;padding:10px 12px;border-radius:10px}
.benefit-list{display:grid;gap:14px;align-content:start}
.benefit-item{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:transform .2s ease,box-shadow .25s ease,border-color .2s ease}
.benefit-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(42,111,143,.28)}
.benefit-ico{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--brand-light);color:var(--brand-dark);font-family:var(--font-serif);font-weight:700;font-size:15px}
.benefit-item h3{font-size:16px;font-weight:700;margin-bottom:6px}
.benefit-item p{font-size:14px;color:var(--text-2);line-height:1.75}
.benefit-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}

/* 等级对比表 */
.table-wrap{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
.compare-table{width:100%;border-collapse:collapse;font-size:14.5px}
.compare-table thead th{position:sticky;top:0;z-index:2;background:var(--surface-alt);color:var(--text);font-weight:700;text-align:left;padding:16px 16px;border-bottom:1px solid var(--line);font-size:14px;letter-spacing:.3px}
.compare-table thead th.is-featured{background:var(--brand-light);color:var(--brand-dark)}
.compare-table tbody td{padding:14px 16px;border-bottom:1px dashed var(--line);color:var(--text-2);vertical-align:middle}
.compare-table tbody tr:nth-child(even) td{background:#FCFAF6}
.compare-table tbody tr:hover td{background:var(--brand-light)}
.compare-table td.row-head{color:var(--text);font-weight:600;width:26%}
.compare-table td.is-featured{background:rgba(232,242,246,.65);color:var(--brand-dark);font-weight:600}
.compare-table tbody tr:last-child td{border-bottom:0}
.mark-own{color:var(--ok);font-weight:600}
.mark-none{color:var(--text-3)}
.table-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:16px;font-size:13px;color:var(--text-3)}

/* 时间线 */
.timeline{position:relative;padding-left:26px;display:grid;gap:16px}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--brand),rgba(42,111,143,.12));border-radius:2px}
.timeline li{position:relative;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:transform .2s ease,box-shadow .25s ease}
.timeline li:hover{transform:translateX(4px);box-shadow:var(--sh-1)}
.timeline li::before{content:"";position:absolute;left:-24px;top:24px;width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(192,122,74,.18)}
.timeline h3{font-size:16px;font-weight:700;margin-bottom:6px}
.timeline p{font-size:14px;color:var(--text-2)}
.step-no{display:inline-block;font-family:var(--font-serif);font-size:12px;letter-spacing:1px;color:var(--accent-dark);margin-bottom:6px}

/* 场景卡 */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.scene-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;display:flex;flex-direction:column;gap:10px;transition:transform .22s ease,box-shadow .25s ease,border-color .22s ease}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(192,122,74,.4)}
.scene-idx{font-family:var(--font-serif);font-size:13px;letter-spacing:2px;color:var(--accent)}
.scene-card h3{font-size:17px;font-weight:700}
.scene-card p{font-size:14px;color:var(--text-2);flex:1}
.scene-card a{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;min-height:44px}
.scene-card a:hover{color:var(--brand-dark)}

/* FAQ */
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:rgba(42,111,143,.3)}
.faq-item.is-open{border-color:rgba(42,111,143,.4);box-shadow:var(--sh-1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;background:none;border:0;padding:18px 20px;min-height:60px;font-size:16px;font-weight:600;color:var(--text);cursor:pointer;transition:background .2s ease}
.faq-q:hover{background:var(--brand-light)}
.faq-icon{flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid rgba(42,111,143,.42);display:grid;place-items:center;color:var(--brand);font-size:16px;line-height:1;transition:transform .25s ease,background .25s ease,color .25s ease}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand);border-color:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.78;color:var(--text-2)}
.faq-a-inner strong{color:var(--text)}

/* CTA */
.cta-band{position:relative;border-radius:20px;border:1px solid rgba(42,111,143,.24);background:linear-gradient(140deg,#E8F2F6,#FBF8F3 58%,#F6E9DE);padding:38px 36px;display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;background:rgba(192,122,74,.12)}
.cta-band h2{font-family:var(--font-serif);font-size:clamp(23px,2.6vw,32px);line-height:1.32;font-weight:700}
.cta-band p{margin-top:14px;color:var(--text-2);font-size:15.5px;max-width:600px}
.cta-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-actions{display:grid;gap:12px}
.cta-actions .btn{width:100%}
.cta-note{font-size:13px;color:var(--text-3);text-align:center}

/* 页脚 */
.site-footer{background:#16323D;color:#C4D3D9;padding:58px 0 26px;border-top:4px solid var(--accent);margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.15fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-mark{width:42px;height:42px;border-radius:11px;background:linear-gradient(145deg,#2A6F8F,#1B4F66);display:grid;place-items:center;color:#fff;font-family:var(--font-serif);font-size:14px;letter-spacing:1px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.28)}
.footer-name{font-family:var(--font-serif);font-size:18px;font-weight:700;color:#fff;letter-spacing:.4px}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:#A4B8C0;max-width:420px}
.footer-domain{margin-top:14px;font-size:13px;color:#8AA0A9;letter-spacing:.4px}
.footer-col h4{position:relative;font-size:15px;font-weight:600;color:#fff;padding-bottom:12px;margin-bottom:16px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--accent);border-radius:2px}
.footer-col ul{display:grid;gap:6px}
.footer-col a{display:inline-flex;align-items:center;min-height:34px;font-size:14px;color:#A4B8C0;transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:#fff;padding-left:3px}
.footer-contact li{font-size:13.5px;line-height:1.75;color:#A4B8C0;min-height:34px}
.footer-contact strong{display:inline-block;color:#E4EDF0;margin-right:8px;font-weight:600}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:22px;border-top:1px dashed rgba(255,255,255,.16);font-size:13px;color:#8AA0A9}
.to-top{color:var(--accent);font-weight:600;display:inline-flex;align-items:center;gap:6px;min-height:44px}
.to-top:hover{color:#E7A470}

/* 响应式 */
@media (max-width:1280px){
  .container{max-width:1140px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:44px 0 54px}
  .channel-layout{grid-template-columns:1fr;gap:26px;padding-top:40px}
  .anchor-nav{position:static}
  .anchor-nav ul{display:flex;flex-wrap:wrap;gap:8px}
  .anchor-card{display:block}
  .anchor-nav li{flex:1 1 auto}
  .anchor-nav a{justify-content:center;background:#FCFAF6;border-color:var(--line)}
  .anchor-cta{grid-template-columns:1fr 1fr;display:grid}
  .media-split{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:32px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .nav-toggle{display:flex}
  .channel-row{display:none;border-top:1px dashed var(--line);padding-bottom:8px}
  .site-header.nav-open .channel-row{display:block}
  .channel-inner{flex-direction:column;align-items:flex-start;gap:8px;padding-top:10px}
  .channel-list{flex-direction:column;align-items:flex-start;gap:0;width:100%}
  .channel-link{width:100%;border-bottom:1px dashed var(--line)}
  .channel-link.is-active::after{display:none}
  .channel-link.is-active{color:var(--accent-dark)}
  .channel-hot{flex-wrap:wrap;padding-top:8px}
  .brand-sub{display:none}
  .brand-tools .btn{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:16px}
  .section{padding:52px 0}
  .block{padding:24px 20px;border-radius:16px}
  .scene-grid{grid-template-columns:1fr}
  .table-wrap{border:0;background:transparent}
  .compare-table,.compare-table tbody,.compare-table tr,.compare-table td{display:block;width:100%}
  .compare-table thead{display:none}
  .compare-table tr{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;padding:6px 4px}
  .compare-table tbody td{border:0;display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:9px 14px;background:transparent !important;font-size:14px}
  .compare-table tbody td::before{content:attr(data-label);font-weight:600;color:var(--text-3);font-size:13px;flex:0 0 88px}
  .compare-table td.row-head{font-size:16px;color:var(--brand-dark);padding-top:14px}
  .compare-table td.is-featured{color:var(--brand-dark)}
  .anchor-cta{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .stat-num{font-size:21px}
  .login-card{padding:22px 18px 20px}
  .block-head h2{font-size:22px}
  .cta-band{padding:26px 20px}
  .faq-q{font-size:15px;padding:16px}
  .breadcrumb ol{font-size:12px}
}

/* roulang page: category2 */
:root{
  --brand:#2A6F8F;
  --brand-dark:#1B4F66;
  --brand-light:#E8F2F6;
  --brand-soft:#F1F7FA;
  --copper:#C07A4A;
  --copper-light:#F6E9DE;
  --bg:#FBFCFD;
  --bg-alt:#F5F8F9;
  --surface:#FFFFFF;
  --line:#EEF3F5;
  --border:#D9E3E8;
  --text:#1C2A33;
  --text-2:#5B6B74;
  --text-3:#84939B;
  --ok:#2F8F6B;
  --warn:#C77A2E;
  --err:#C44A3F;
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --sh-1:0 8px 24px rgba(20,60,80,.08);
  --sh-2:0 14px 36px rgba(20,60,80,.12);
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(217,227,232,.35) 1px,transparent 1px),
    linear-gradient(90deg,rgba(217,227,232,.25) 1px,transparent 1px);
  background-size:100% 64px,64px 100%;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section--tight{padding:56px 0}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:36px}
.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:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--copper);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--copper);display:inline-block}
.section-title{font-size:34px;line-height:1.25;margin-bottom:14px}
.section-title em{font-family:var(--serif);font-style:italic;color:var(--brand);font-weight:600}
.section-lead{color:var(--text-2);font-size:16.5px;line-height:1.85;margin:0}
.serif{font-family:var(--serif)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;
  text-decoration:none;cursor:pointer;
  transition:transform .18s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(42,111,143,.24)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(42,111,143,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(42,111,143,.24)}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);border-style:solid}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand)}
.btn-copper{background:var(--copper);color:#fff;box-shadow:0 6px 16px rgba(192,122,74,.26)}
.btn-copper:hover{background:#A8683C;color:#fff;transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:8px 16px;font-size:14px}
.btn-lg{min-height:52px;padding:14px 30px;font-size:16.5px}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 标签、徽章 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.5;
  background:var(--brand-light);color:var(--brand-dark);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.tag:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}
.tag--line{background:transparent;border:1px dashed var(--border);color:var(--text-2)}
.tag--line:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand)}
.tag--copper{background:var(--copper-light);color:#8C5326}
.badge{
  display:inline-block;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  background:var(--brand-light);color:var(--brand-dark);
}
.badge--copper{background:var(--copper-light);color:#8C5326}
.badge--ok{background:#E6F4EE;color:var(--ok)}

/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(251,252,253,.96);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(8px);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(20,60,80,.1);background:rgba(255,255,255,.98)}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0;transition:padding .25s ease}
.site-header.is-scrolled .brand-row{padding:8px 0}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:44px;height:44px;flex:none;display:grid;place-items:center;
  border-radius:50%;background:linear-gradient(140deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;font-size:14px;font-weight:700;letter-spacing:.06em;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em}
.brand-sub{font-size:12.5px;color:var(--text-3);letter-spacing:.04em}
.brand-tools{display:flex;align-items:center;gap:10px}
.nav-search-toggle{
  width:42px;height:42px;display:grid;place-items:center;
  border-radius:var(--r-btn);border:1px solid var(--border);background:#fff;color:var(--text-2);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.nav-search-toggle svg{width:19px;height:19px}
.nav-search-toggle:hover{background:var(--brand-soft);color:var(--brand);border-color:var(--brand)}
.nav-search-toggle[aria-expanded="true"]{background:var(--brand);color:#fff;border-color:var(--brand)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);background:#fff;border-radius:var(--r-btn);padding:10px}
.nav-toggle span{display:block;height:2px;background:var(--text);border-radius:2px;margin:4px 0;transition:transform .25s ease,opacity .25s ease}
.channel-row{border-top:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 0 0}
.channel-list{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.channel-link{
  position:relative;display:inline-flex;align-items:center;min-height:48px;
  font-size:14.5px;font-weight:600;color:var(--text-2);
  transition:color .2s ease;
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.channel-link:hover{color:var(--brand)}
.channel-link:hover::after{transform:scaleX(1)}
.channel-link.is-active{color:var(--brand-dark)}
.channel-link.is-active::after{transform:scaleX(1)}
.channel-hot{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3);white-space:nowrap}
.channel-hot span{font-weight:700;color:var(--copper);letter-spacing:.08em}
.channel-hot a{color:var(--text-2);border-bottom:1px dashed var(--border);padding-bottom:1px}
.channel-hot a:hover{color:var(--brand);border-color:var(--brand)}
.search-panel{display:none;border-top:1px solid var(--line);background:#fff;box-shadow:0 12px 26px rgba(20,60,80,.07)}
.search-panel.is-open{display:block;animation:panelIn .22s ease}
@keyframes panelIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.search-box{display:flex;gap:12px;padding:20px 0 12px}
.search-box input{
  flex:1;min-height:46px;padding:0 16px;
  border:1px solid var(--border);border-radius:var(--r-input);background:var(--bg-alt);color:var(--text);
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.search-box input::placeholder{color:var(--text-3)}
.search-box input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(42,111,143,.12)}
.hot-words{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:0 0 22px;font-size:13px;color:var(--text-3)}
.hot-words>span{font-weight:700;color:var(--copper);letter-spacing:.08em}

/* ============ 页面横幅 ============ */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--border);background:var(--bg)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(180deg,rgba(251,252,253,.94) 0%,rgba(251,252,253,.88) 55%,rgba(241,247,250,.94) 100%),
    url(/assets/images/backpic/back-2.png);
  background-size:cover,cover;
  background-position:center,center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(42,111,143,.14) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;padding:70px 0 64px}
.hero-brandline{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.hero-title{font-size:46px;line-height:1.16;margin-bottom:18px}
.hero-title .hl{
  background:linear-gradient(180deg,transparent 62%,var(--copper-light) 62%);
  padding:0 4px;
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--text-2);max-width:620px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:640px}
.stat{
  background:#fff;border:1px solid var(--border);border-left:3px solid var(--copper);
  border-radius:12px;padding:14px 16px;box-shadow:var(--sh-1);
}
.stat-num{font-size:22px;font-weight:700;color:var(--brand-dark);letter-spacing:-.02em}
.stat-label{font-size:13px;color:var(--text-3);margin-top:2px}
.hero-figure{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:12px;box-shadow:var(--sh-2);
}
.hero-figure img{border-radius:12px;aspect-ratio:16/11;object-fit:cover;width:100%}
.hero-figure figcaption{
  font-size:13px;color:var(--text-3);padding:12px 4px 2px;line-height:1.6;
  border-top:1px dashed var(--border);margin-top:12px;
}
.stamp{
  position:absolute;top:-18px;right:-14px;width:88px;height:88px;border-radius:50%;
  background:var(--copper);color:#fff;display:grid;place-items:center;text-align:center;
  font-size:13px;font-weight:700;line-height:1.3;letter-spacing:.06em;
  box-shadow:0 10px 24px rgba(192,122,74,.32);
  transform:rotate(-8deg);
}
.stamp span{display:block;font-size:11px;opacity:.85;letter-spacing:.1em;font-weight:600}

/* ============ 导语 + 标签云 ============ */
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.intro-body p{color:var(--text-2);line-height:1.9;font-size:16.5px}
.intro-body p strong{color:var(--text)}
.pullquote{
  font-family:var(--serif);font-size:20px;line-height:1.7;color:var(--brand-dark);
  padding:18px 22px;border-left:3px solid var(--copper);background:var(--brand-soft);
  border-radius:0 12px 12px 0;margin:22px 0 0;
}
.tagcloud{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1)}
.tagcloud h3{font-size:18px;margin-bottom:6px}
.tagcloud p{font-size:13.5px;color:var(--text-3);margin-bottom:16px}
.tagcloud-list{display:flex;flex-wrap:wrap;gap:10px}

/* ============ 精选专题 杂志流 ============ */
.feature-list{display:flex;flex-direction:column;gap:28px}
.feature-item{
  display:grid;grid-template-columns:minmax(0,42%) minmax(0,58%);
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9D9E0}
.feature-item:nth-child(even){grid-template-columns:minmax(0,58%) minmax(0,42%)}
.feature-item:nth-child(even) .feature-media{order:2}
.feature-media{position:relative;overflow:hidden;min-height:260px}
.feature-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;transition:transform .4s ease}
.feature-item:hover .feature-media img{transform:scale(1.04)}
.feature-media .badge{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.94);color:var(--brand-dark)}
.feature-body{padding:28px 30px;display:flex;flex-direction:column}
.feature-meta{display:flex;gap:12px;align-items:center;font-size:13px;color:var(--text-3);margin-bottom:10px}
.feature-body h3{font-size:24px;margin-bottom:12px}
.feature-body h3 a{color:var(--text)}
.feature-body h3 a:hover{color:var(--brand)}
.feature-body p{color:var(--text-2);font-size:15.5px;line-height:1.85;margin-bottom:18px}
.feature-foot{margin-top:auto;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.readmore{font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:6px}
.readmore::after{content:"→";transition:transform .2s ease;display:inline-block}
.readmore:hover::after{transform:translateX(4px)}

/* ============ 应用场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.scene-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9D9E0}
.scene-icon{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand-dark);font-weight:700;font-size:15px;margin-bottom:16px;
}
.scene-card h3{font-size:19px;margin-bottom:10px}
.scene-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin-bottom:16px}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.scene-thumb{border-radius:12px;overflow:hidden;margin:-22px -22px 18px;border-bottom:1px solid var(--line)}
.scene-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.scene-card:hover .scene-thumb img{transform:scale(1.05)}

/* ============ 选型要点 ============ */
.pick-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start}
.pick-list{display:flex;flex-direction:column;gap:16px}
.pick-item{
  display:grid;grid-template-columns:56px 1fr;gap:18px;
  background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px 22px;
  box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease;
}
.pick-item:hover{border-color:var(--copper);box-shadow:var(--sh-2)}
.pick-num{
  font-family:var(--serif);font-size:26px;font-weight:700;color:var(--copper);
  line-height:1;padding-top:2px;
}
.pick-item h3{font-size:18px;margin-bottom:8px}
.pick-item p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin:0}
.aside-card{
  background:var(--brand-dark);color:#fff;border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-2);position:relative;overflow:hidden;
}
.aside-card::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:160px;height:160px;border-radius:50%;
  background:rgba(192,122,74,.28);
}
.aside-card h3{font-size:20px;margin-bottom:12px;position:relative;z-index:1}
.aside-card p{font-size:14.5px;color:rgba(255,255,255,.82);line-height:1.85;position:relative;z-index:1}
.aside-list{position:relative;z-index:1;margin:18px 0 22px;display:flex;flex-direction:column;gap:10px}
.aside-list li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.9)}
.aside-list li::before{content:"◆";color:var(--copper);font-size:11px;line-height:1.9}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:34px;max-width:900px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background-image:repeating-linear-gradient(180deg,var(--border) 0 8px,transparent 8px 15px);
}
.timeline-item{position:relative;margin-bottom:20px}
.timeline-item:last-child{margin-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-33px;top:24px;width:12px;height:12px;border-radius:50%;
  background:var(--copper);box-shadow:0 0 0 4px var(--copper-light);
}
.timeline-card{
  background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px 22px;
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
}
.timeline-card:hover{transform:translateX(4px);box-shadow:var(--sh-2)}
.timeline-card h3{font-size:18px;margin-bottom:8px}
.timeline-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin:0}
.timeline-tag{font-size:12.5px;color:var(--brand);font-weight:700;letter-spacing:.08em;margin-bottom:6px;display:block}

/* ============ 锁定资料预览 ============ */
.lock-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.lock-card{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);overflow:hidden;
}
.lock-card h3{font-size:18px;margin:12px 0 10px}
.lock-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin-bottom:16px}
.lock-meta{display:flex;gap:10px;align-items:center;font-size:12.5px;color:var(--text-3)}
.lock-veil{
  position:absolute;left:0;right:0;bottom:0;height:56%;
  background:linear-gradient(180deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.92) 62%,#fff 100%);
  pointer-events:none;
}
.lock-card .btn{position:relative;z-index:2}

/* ============ FAQ ============ */
.faq-list{max-width:920px;margin:0 auto;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:16.5px;font-weight:600;color:var(--text);transition:background-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--brand-soft);color:var(--brand-dark)}
.faq-item summary .chev{
  flex:none;width:24px;height:24px;border-radius:50%;background:var(--brand-light);color:var(--brand-dark);
  display:grid;place-items:center;font-size:14px;transition:transform .25s ease,background-color .25s ease;
}
.faq-item[open] summary{background:var(--brand-soft);color:var(--brand-dark)}
.faq-item[open] summary .chev{transform:rotate(180deg);background:var(--copper);color:#fff}
.faq-answer{padding:0 24px 22px;color:var(--text-2);font-size:15.5px;line-height:1.85}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;
  background:linear-gradient(135deg,var(--brand-dark) 0%,#204A5C 100%);
  color:#fff;padding:48px 46px;box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(192,122,74,.35) 0%,rgba(192,122,74,0) 70%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center}
.cta-band h2{font-size:30px;margin-bottom:14px;color:#fff}
.cta-band p{color:rgba(255,255,255,.84);font-size:15.5px;line-height:1.85;margin-bottom:0}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-points span{
  font-size:13px;font-weight:600;padding:5px 13px;border-radius:999px;
  background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.2);
}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.68);text-align:center}

/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--border);margin-top:72px;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-mark{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;flex:none;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;font-size:13px;font-weight:700;letter-spacing:.06em;
}
.footer-name{font-size:16.5px;font-weight:700}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.85;max-width:360px}
.footer-domain{font-size:13px;color:var(--text-3);margin:0}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{font-size:13.5px;color:var(--text-2);line-height:1.7;display:flex;gap:10px;flex-wrap:wrap}
.footer-contact strong{color:var(--text);font-weight:600;display:inline-block;min-width:64px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:36px;padding-top:20px;border-top:1px dashed var(--border);
  font-size:13px;color:var(--text-3);
}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--brand);font-weight:600}
.to-top:hover{color:var(--brand-dark)}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{padding:0 22px}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .lock-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px;padding:52px 0 48px}
  .hero-title{font-size:38px}
  .intro-grid{grid-template-columns:1fr;gap:28px}
  .pick-grid{grid-template-columns:1fr;gap:26px}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .channel-hot{display:none}
  .section{padding:60px 0}
  .section-title{font-size:29px}
}
@media (max-width:768px){
  .brand-sub{display:none}
  .brand-mark{width:38px;height:38px;font-size:12px}
  .brand-name{font-size:15.5px}
  .nav-toggle{display:block}
  .brand-tools .btn-outline,.brand-tools .btn-primary{display:none}
  .channel-row{display:none;border-top:1px solid var(--line)}
  .channel-row.is-open{display:block;padding-bottom:10px}
  .channel-inner{flex-direction:column;align-items:stretch;gap:0}
  .channel-list{flex-direction:column;align-items:stretch;gap:0}
  .channel-link{min-height:48px;padding:0 4px;border-bottom:1px dashed var(--line);width:100%}
  .channel-link::after{display:none}
  .channel-link.is-active{color:var(--brand);background:var(--brand-soft);border-radius:8px;padding-left:10px}
  .hero-title{font-size:30px}
  .hero-stats{grid-template-columns:1fr;gap:12px}
  .feature-item,.feature-item:nth-child(even){grid-template-columns:1fr}
  .feature-item:nth-child(even) .feature-media{order:0}
  .feature-media{min-height:200px}
  .feature-body{padding:22px}
  .scene-grid{grid-template-columns:1fr}
  .lock-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 24px}
  .cta-band h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-desc{max-width:none}
  .section{padding:48px 0}
  .section-title{font-size:25px}
  .stamp{width:70px;height:70px;font-size:11px;top:-12px;right:-8px}
  .faq-item summary{font-size:15.5px;padding:18px}
  .faq-answer{padding:0 18px 18px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero-title{font-size:26px}
  .hero-lead{font-size:15.5px}
  .section-title{font-size:22px}
  .feature-body h3{font-size:20px}
  .search-box{flex-direction:column}
  .search-box .btn{width:100%}
  .btn-lg{width:100%}
  .hero-actions .btn{width:100%}
  .timeline{padding-left:26px}
  .timeline-item::before{left:-25px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}