*{margin:0;padding:0;box-sizing:border-box}
:root{
 --bg:#0B0F17; --bg2:#111726; --bg3:#0D1320; --footer:#070A11;
 --line:#1E2635; --gold:#E8A33D; --gold-dim:rgba(232,163,61,.35);
 --w:#FFFFFF; --txt:#9AA5B8; --dim:#5D6879; --darker:#3E4857;
 --blue:#7FB3E8; --teal:#5EC9B0; --purple:#C9A9E8; --violet:#A9A0C8;
 --maxw:1200px;
 --pad:clamp(20px,5vw,80px);     /* 流体左右内边距：手机20→桌面80 */
 --radius:14px;
 --gap:24px;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 background:
  radial-gradient(ellipse 90% 60% at 18% 10%, rgba(232,163,61,.10), transparent 60%),
  radial-gradient(ellipse 70% 50% at 88% 18%, rgba(94,201,176,.06), transparent 65%),
  radial-gradient(ellipse 80% 60% at 50% 100%, rgba(127,179,232,.05), transparent 70%),
  var(--bg);
 background-attachment:fixed;
 color:var(--w);font-family:"Source Han Sans CN","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.75}
/* 金色滚动条（webkit + Firefox） */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0D1320}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#E8A33D,#B8861A);border-radius:5px;border:2px solid #0D1320}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#F5B85A,#C9961E)}
*{scrollbar-color:#E8A33D #0D1320;scrollbar-width:thin}
.num{font-family:"Inter Tight","Inter",sans-serif;font-weight:700;letter-spacing:-.02em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);width:100%}
a{color:inherit;text-decoration:none}

/* Header */
.hdr{position:sticky;top:0;z-index:100;background:rgba(11,15,23,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;padding-top:14px;padding-bottom:14px}
.logo{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.logo-mark{width:40px;height:40px;border-radius:10px;background:var(--gold);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;letter-spacing:.5px;color:var(--bg);flex-shrink:0}
.logo-txt b{display:block;font-size:19px;font-weight:700;letter-spacing:.5px}
.logo-txt i{display:block;font-style:normal;font-size:11px;color:var(--dim)}
.nav{display:flex;gap:clamp(16px,3vw,36px);align-items:center}
.nav a{font-size:15px;color:#8A94A6;transition:color .2s;white-space:nowrap}
.nav a:hover{color:var(--gold)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:15px 34px;font-size:16px;font-weight:700;background:var(--gold);color:var(--bg);border:none;border-radius:10px;cursor:pointer;transition:opacity .2s,box-shadow .25s,transform .2s;white-space:nowrap;box-shadow:0 4px 14px rgba(232,163,61,.18),0 0 0 0 rgba(232,163,61,.4)}
.btn:hover{opacity:1;box-shadow:0 8px 24px rgba(232,163,61,.32),0 0 0 4px rgba(232,163,61,.08);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:hover{opacity:.88}
.btn-lg{padding:17px 46px;font-size:17px}
.btn-ghost{background:transparent;color:var(--w);border:1px solid rgba(90,102,128,.6)}
.btn-sm{padding:13px 26px;font-size:14px}
.btn-full{width:100%}

/* Section */
section{padding:clamp(56px,8vw,96px) 0}
section.alt{background:var(--bg2)}
h2.sec{font-size:clamp(28px,4.5vw,42px);line-height:1.35;font-weight:700;letter-spacing:-.5px;margin-bottom:18px;max-width:1060px}
.eyebrow{font-family:"Inter Tight",sans-serif;font-size:14px;font-weight:700;color:var(--gold);letter-spacing:2px;margin-bottom:16px}
.lede{font-size:clamp(15px,1.6vw,17px);line-height:1.9;color:var(--txt);max-width:940px}
.lede + .lede{margin-top:16px}

/* Hero */
.hero{padding:clamp(56px,8vw,96px) 0 clamp(44px,7vw,88px)}
.hero-top{display:flex;gap:clamp(32px,5vw,72px);justify-content:space-between;align-items:center;flex-wrap:wrap}
.hero-left{flex:1 1 420px;min-width:0}
.badge{display:inline-flex;align-items:center;padding:8px 16px;font-size:13px;font-weight:500;color:var(--gold);letter-spacing:1px;background:#131A28;border:1px solid var(--gold-dim);border-radius:999px;margin-bottom:24px}
h1{font-size:clamp(40px,8.5vw,72px);line-height:1.18;font-weight:700;letter-spacing:-2px;margin-bottom:24px;background:linear-gradient(180deg,#FFFFFF 0%,#9AA5B8 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hero-sub{font-size:clamp(16px,1.8vw,18px);line-height:1.9;color:var(--txt);margin-bottom:30px}
.acts{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.qcard{flex:1 1 360px;min-width:0;background:linear-gradient(180deg,#13192A 0%,#0F1422 100%);border:1px solid #1F273A;border-radius:var(--radius);padding:clamp(26px,4vw,36px);display:flex;flex-direction:column;justify-content:space-between;gap:20px;position:relative;overflow:hidden;transition:border-color .25s ease,transform .35s ease,box-shadow .35s ease}
.qcard::before{content:"";position:absolute;top:-40%;right:-20%;width:60%;height:80%;background:radial-gradient(circle,rgba(232,163,61,.08) 0%,transparent 70%);pointer-events:none;transition:opacity .35s ease}
.qcard:hover{border-color:rgba(232,163,61,.45);transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,.4),0 0 0 1px rgba(232,163,61,.12) inset}
.qcard:hover::before{opacity:1.5}
.qcard .lbl{font-size:13px;font-weight:700;color:var(--dim);letter-spacing:1.5px}
.qcard p{font-size:clamp(15px,1.6vw,17px);line-height:1.76}
.qcard p.hl{color:var(--gold);font-weight:700}
.qcard .foot{font-size:14px;line-height:1.85;color:var(--dim)}
@media(max-width:768px){.hero-top{flex-direction:column;align-items:stretch}.hero-left,.qcard{flex:none;width:100%}h1{font-size:clamp(36px,9vw,52px)}}

/* Stats */
.stats{display:flex;flex-wrap:wrap;background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat{padding:clamp(20px,3vw,28px) clamp(20px,3vw,32px);flex:1;min-width:140px}
.stat + .stat{border-left:1px solid var(--line)}
.stat b{display:block;font-family:"Inter Tight",sans-serif;font-size:clamp(34px,5vw,48px);font-weight:700;letter-spacing:-2px;color:var(--gold);line-height:1}
.stat span{font-size:13px;color:var(--dim)}
@media(max-width:640px){.stat + .stat{border-left:0;border-top:1px solid var(--line)}}

/* Cards */
.grid{display:grid;gap:var(--gap);margin-top:44px}
.g2{grid-template-columns:1fr 1fr}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g5{grid-template-columns:repeat(5,1fr)}
@media(max-width:1000px){.g2,.g3{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.g2,.g3,.g4,.g5{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,#13192A 0%,#0F1422 100%);border:1px solid #1F273A;border-radius:var(--radius);padding:clamp(22px,3vw,32px);position:relative;overflow:hidden}
.card.gold{border:2px solid var(--gold);background:var(--bg2)}
.card h3{font-size:clamp(18px,2.2vw,21px);font-weight:700;margin-bottom:12px;line-height:1.45}
.card p{font-size:15px;line-height:1.87;color:var(--txt)}
.card .n{font-family:"Inter Tight",sans-serif;font-size:13px;font-weight:700;color:var(--gold);letter-spacing:2px;margin-bottom:14px}
.card ul{list-style:none;display:flex;flex-direction:column;gap:12px;margin-top:6px}
.card ul li{font-size:15px;line-height:1.75;color:#C4CDDA;padding-left:16px;position:relative}
.card ul li:before{content:"";position:absolute;left:0;top:12px;width:5px;height:5px;background:var(--gold);border-radius:50%}

/* Compare */
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);margin-top:44px}
@media(max-width:820px){.cmp{grid-template-columns:1fr}}
.cmp .tag{font-family:"Inter Tight",sans-serif;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--dim);margin-bottom:16px}
.cmp .tag.on{color:var(--gold)}

/* Steps */
.steps{border:1px solid var(--line);border-radius:var(--radius);margin-top:44px;overflow:hidden}
.step{display:flex;gap:clamp(20px,3vw,36px);padding:clamp(22px,3vw,30px) clamp(22px,3vw,36px);align-items:center;flex-wrap:wrap}
.step:nth-child(even){background:var(--bg)}
.step .sn{flex:0 0 88px;display:flex;flex-direction:column;gap:4px}
.step .sn i{font-style:normal;font-family:"Inter Tight",sans-serif;font-size:11px;font-weight:700;color:var(--dim);letter-spacing:1.5px}
.step .sn b{font-family:"Inter Tight",sans-serif;font-size:30px;font-weight:700;color:var(--gold)}
.step .sb{flex:1;min-width:240px}
.step .sb h4{font-size:21px;font-weight:700;margin-bottom:8px}
.step .sb p{font-size:15px;line-height:1.87;color:var(--txt)}
@media(max-width:600px){.step{gap:12px;padding:22px}.step .sn{flex:0 0 56px}.step .sn b{font-size:24px}}

/* Pricing */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--gap);margin-top:44px}
.plan{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(28px,3.5vw,44px);display:flex;flex-direction:column;gap:20px}
.plan.main{border:2px solid var(--gold);background:var(--bg2)}
.pill{align-self:flex-start;padding:6px 12px;font-size:12px;font-weight:700;background:var(--gold);color:var(--bg);border-radius:999px}
.pill.off{background:#1C2434;color:#8A94A6}
.plan h3{font-size:clamp(21px,2.5vw,24px);font-weight:700}
.price{display:flex;align-items:baseline;gap:6px}
.price b{font-family:"Inter Tight",sans-serif;font-size:clamp(48px,6vw,64px);font-weight:700;letter-spacing:-2px;color:var(--gold);line-height:1}
.price.off b{color:var(--w)}
.price span{font-size:18px;font-weight:500;color:#8A94A6}
.plan .d{font-size:16px;line-height:1.87;color:var(--txt)}
.plan .cta{margin-top:auto}
.mini{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:6px}
.mini b{font-size:19px}
.mini span{font-size:14px;line-height:1.85;color:var(--txt)}

/* Post list */
.posts{border:1px solid #1F273A;border-radius:var(--radius);overflow:hidden;margin-top:24px;background:linear-gradient(180deg,#0D1320 0%,#0B0F17 100%)}
.post{display:flex;gap:clamp(16px,3vw,36px);padding:clamp(22px,3vw,32px);align-items:center;flex-wrap:wrap;position:relative;transition:border-color .25s ease,transform .35s ease,background-color .25s ease}
.post:nth-child(odd){background:linear-gradient(180deg,#13192A 0%,#0F1422 100%)}
.post:nth-child(even){background:linear-gradient(180deg,#0F1422 0%,#111726 100%)}
.post::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(232,163,61,.3) 50%,transparent);opacity:0;transition:opacity .35s ease}
.post .lv{flex:0 0 76px;display:flex;flex-direction:column;gap:6px}
.post .lv i{font-style:normal;font-size:12px;font-weight:700;letter-spacing:1px}
.post .lv b{font-family:"Inter Tight",sans-serif;font-size:22px;font-weight:700;color:#3E4857}
.post .pb{flex:1;min-width:240px}
.post .pb h3{font-size:clamp(20px,2.5vw,24px);line-height:1.45;font-weight:700;margin-bottom:8px}
.post .pb h3 a:hover{color:var(--gold)}
.post .pb p{font-size:15px;line-height:1.87;color:var(--txt);margin-bottom:8px}
.post .pm{font-size:13px;color:var(--dim);display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.post:hover{border-color:rgba(232,163,61,.35);transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,0,0,.35)}
.post:hover::before{opacity:1}
/* AI 抓取率徽章 */
.ai-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;font-size:12px;line-height:1;background:rgba(232,163,61,.08);border:1px solid rgba(232,163,61,.25);border-radius:20px;color:var(--gold);font-weight:600;position:relative;cursor:help;font-family:"Inter Tight","Inter",sans-serif}
.ai-badge .ai-dot{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 6px 1px rgba(232,163,61,.7);animation:ai-pulse 2.4s ease-in-out infinite}
.ai-badge .ai-num{font-weight:700;letter-spacing:.5px}
.ai-badge .ai-lbl{font-size:11px;color:var(--txt);font-weight:500;letter-spacing:.3px}
.ai-badge:hover::after{content:attr(data-tip);position:absolute;left:50%;top:calc(100% + 8px);transform:translateX(-50%);white-space:nowrap;background:#0D1320;color:var(--txt);border:1px solid var(--line);padding:6px 10px;border-radius:6px;font-size:11px;font-weight:400;z-index:10;box-shadow:0 4px 14px rgba(0,0,0,.4)}
@keyframes ai-pulse{0%,100%{opacity:.85;box-shadow:0 0 6px 1px rgba(232,163,61,.7)}50%{opacity:.4;box-shadow:0 0 12px 3px rgba(232,163,61,.5)}}
.pg-blue{color:var(--blue)}.pg-gold{color:var(--gold)}.pg-teal{color:var(--teal)}
.pg-purple{color:var(--purple)}.pg-violet{color:var(--violet)}

/* Blog list */
.filters{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.filt{padding:10px 20px;font-size:14px;font-weight:500;color:#8A94A6;border:1px solid rgba(64,77,102,.7);border-radius:999px;cursor:pointer;transition:.2s}
.filt:hover{border-color:var(--gold);color:var(--gold)}
.filt.on{background:var(--gold);color:var(--bg);border-color:var(--gold);font-weight:700}
.ch-sec{margin-top:clamp(40px,6vw,64px)}
.ch-sec .ch-hd{display:flex;align-items:baseline;gap:16px;margin-bottom:8px;flex-wrap:wrap}
.ch-sec .ch-hd h2{font-size:clamp(24px,3vw,30px);margin:0}
.ch-sec .ch-hd span{font-size:13px;color:var(--dim)}

/* Article */
.crumb{display:flex;gap:10px;align-items:center;padding:18px var(--pad);font-size:13px;color:var(--dim);flex-wrap:wrap}
.crumb b{color:var(--gold);font-weight:500}
.art-head{padding:clamp(28px,4vw,40px) var(--pad) clamp(32px,5vw,48px)}
.art-head h1{font-size:clamp(30px,6vw,52px);line-height:1.35;max-width:980px}
.art-body{display:flex;padding:0 clamp(20px,5vw,80px) clamp(48px,7vw,80px)}
.art-body .art-wrap{display:flex;gap:clamp(40px,5vw,64px);align-items:flex-start;max-width:var(--maxw);width:100%;margin:0 auto}
.art-main{flex:1 1 auto;min-width:0;max-width:760px;width:100%}
.art-main h2{font-size:clamp(24px,3.5vw,30px);line-height:1.5;margin:38px 0 18px;font-weight:700}
.art-main h2:first-child{margin-top:0}
.art-main h3{font-size:clamp(19px,2.4vw,21px);line-height:1.6;margin:30px 0 14px;font-weight:700;color:#E8A33D}
.art-main p{font-size:17px;line-height:2;color:#C4CDDA;margin-bottom:20px}
.art-main ul{list-style:none;margin:0 0 20px;display:flex;flex-direction:column;gap:12px}
.art-main li{font-size:17px;line-height:1.9;color:#C4CDDA;padding-left:20px;position:relative}
.art-main li:before{content:"";position:absolute;left:0;top:14px;width:6px;height:6px;background:var(--gold);border-radius:50%}
.art-main b{color:#FFFFFF;font-weight:700}
.art-main code{font-family:"Inter Tight",Consolas,monospace;font-size:.9em;background:#1A2231;padding:2px 7px;color:var(--gold);border-radius:5px}
.art-main hr{border:0;border-top:1px solid var(--line);margin:38px 0}
.dl{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin:24px 0}
.dl .it{padding:clamp(18px,2.5vw,24px) clamp(20px,2.5vw,28px)}
.dl .it:nth-child(even){background:var(--bg2)}
.dl .it b{display:block;font-size:18px;color:var(--gold);margin-bottom:8px}
.dl .it span{font-size:16px;line-height:2;color:var(--txt)}
.nums{display:flex;flex-direction:column;gap:20px;margin:24px 0}
.nums .it{display:flex;gap:16px}
.nums .it b{font-family:"Inter Tight",sans-serif;font-size:14px;color:var(--gold);flex:0 0 30px}
.nums .it span{font-size:16px;line-height:2;color:#C4CDDA}
.faqbox{border:1px solid var(--gold-dim);border-radius:var(--radius);overflow:hidden;margin:24px 0;background:linear-gradient(180deg,#111726 0%,#0D1320 100%)}
.faqbox .it{padding:clamp(18px,2.5vw,24px) clamp(20px,2.5vw,28px)}
.faqbox .it:nth-child(even){background:var(--bg2)}
.faqbox .it b{display:block;font-size:17px;margin-bottom:8px}
.faqbox .it span{font-size:15px;line-height:2;color:var(--txt)}
.hint{font-size:13px;color:var(--dim);margin-top:12px}
.toc{flex:0 1 280px;position:sticky;top:88px;display:flex;flex-direction:column;gap:24px}
.toccta{background:linear-gradient(180deg,#161D2E 0%,#111726 100%);border:2px solid var(--gold);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:14px;position:relative;overflow:hidden}
.toccta::after{content:"";position:absolute;top:14px;right:14px;width:10px;height:10px;border-radius:50%;background:var(--gold);box-shadow:0 0 12px 2px rgba(232,163,61,.55),0 0 24px 4px rgba(232,163,61,.25)}
.toccta h4{font-size:18px;line-height:1.5}
.toccta p{font-size:14px;line-height:1.85;color:var(--txt)}
.toccta .btn{margin-top:6px}
@media(max-width:1000px){.art-body .art-wrap{flex-direction:column;gap:32px;width:100%}.toc{flex:0 1 auto;position:static;width:100%;flex-direction:row;flex-wrap:wrap}.toc>*{flex:1 1 240px}}

/* FAQ */
.faqs{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:44px;max-width:1000px}
.faqs .it{padding:clamp(22px,3vw,30px) clamp(22px,3vw,36px);display:flex;flex-direction:column;gap:10px}
.faqs .it:nth-child(even){background:var(--bg2)}
.faqs b{font-size:clamp(17px,2vw,19px)}
.faqs span{font-size:15px;line-height:1.87;color:var(--txt)}

/* CTA */
.cta2{display:flex;gap:clamp(24px,4vw,40px);padding:clamp(28px,4vw,48px);background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);align-items:center;flex-wrap:wrap}
.cta2 .b{flex:1;min-width:260px;display:flex;flex-direction:column;gap:12px}
.cta2 h3{font-size:clamp(22px,3vw,26px)}
.cta2 p{font-size:15px;line-height:1.87;color:var(--txt)}

/* Trust */
.band{margin-top:44px;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3vw,32px);background:var(--bg)}
.band h3{font-size:17px;margin-bottom:16px}
.band p{font-size:15px;line-height:2;color:var(--txt)}

/* Contact / 诊断 */
.diag{margin-top:44px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg2);padding:clamp(24px,4vw,44px);display:flex;flex-direction:column;gap:clamp(26px,4vw,36px)}
.diag-list{list-style:none;display:flex;flex-direction:column;gap:16px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3vw,30px)}
.diag-list li{position:relative;padding-left:20px;font-size:clamp(15px,1.6vw,16px);line-height:1.85;color:var(--txt)}
.diag-list li:before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--gold);border-radius:50%}
.diag-list li b{color:var(--w)}
.qr-box{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;border:1px solid var(--gold-dim);border-radius:var(--radius);padding:clamp(24px,3.5vw,36px);background:var(--bg)}
.qr-box img{width:min(260px,64vw);height:auto;border-radius:12px;background:#fff;padding:10px;display:block}
.qr-box h3{font-size:clamp(18px,2.3vw,22px);font-weight:700}
.qr-sub{font-size:15px;color:var(--gold);font-weight:500;line-height:1.7}
.qr-note{font-size:13px;color:var(--dim);line-height:1.7}
.diag-foot{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:clamp(20px,3vw,28px)}
.diag-foot .ph{font-size:clamp(15px,1.7vw,17px);color:var(--txt)}
.diag-foot .ph b{color:var(--gold);font-family:"Inter Tight",sans-serif;font-size:clamp(20px,2.4vw,24px);letter-spacing:.5px}
@media(max-width:560px){.diag-foot{flex-direction:column;align-items:stretch}.diag-foot .btn{width:100%}}

/* Footer */
footer{background:var(--footer);border-top:1px solid var(--line);padding:clamp(40px,6vw,56px) var(--pad);display:flex;flex-direction:column;gap:24px}
.foot-top{display:flex;gap:60px;justify-content:space-between;flex-wrap:wrap}
.foot-brand{flex:0 0 460px;max-width:460px;display:flex;flex-direction:column;gap:12px}
.foot-brand b{font-size:19px}
.foot-brand p{font-size:14px;line-height:1.9;color:var(--dim)}
.foot-links{flex:0 0 300px;display:flex;flex-direction:column;gap:12px}
.foot-links .l{font-size:13px;font-weight:700;color:var(--dim);letter-spacing:1.5px}
.foot-links a{font-size:14px;color:#8A94A6}
.foot-bot{display:flex;gap:24px;padding-top:24px;border-top:1px solid var(--line);justify-content:space-between;align-items:flex-end;flex-wrap:wrap;font-size:13px;color:var(--darker)}
.foot-bot .foot-bot-l{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:flex-end}
.foot-bot .foot-bot-l b{color:var(--txt);font-weight:500}
.foot-bot .foot-bot-l i{font-style:normal;color:var(--darker)}
.foot-bot .foot-bot-r{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;margin-left:auto}
.foot-bot .foot-bot-r a{color:var(--gold);text-decoration:none;border-bottom:1px dashed transparent;transition:border-color .15s ease}
.foot-bot .foot-bot-r a:hover{border-bottom-color:var(--gold)}
@media(max-width:700px){.foot-bot{flex-direction:column;align-items:flex-start;gap:10px}.foot-bot .foot-bot-l,.foot-bot .foot-bot-r{justify-content:flex-start}}

/* 移动端：导航横向滚动，不再隐藏（与 baicl.cc 一致） */
@media(max-width:768px){
 .hdr .wrap{flex-wrap:wrap}
 .logo{flex:1 1 auto}
 .hdr .btn{order:2;flex:0 0 auto}
 .nav{order:3;flex-basis:100%;justify-content:flex-start;overflow-x:auto;gap:22px;padding-bottom:4px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
 .nav::-webkit-scrollbar{display:none}
}
@media(max-width:420px){
 .hdr .btn{order:3;flex-basis:100%}
 .nav{order:2}
}

/* WeChat 弹窗 */
.wx-mask{position:fixed;inset:0;z-index:999;display:flex;align-items:center;justify-content:center;background:rgba(4,7,12,.74);backdrop-filter:blur(4px);padding:var(--pad)}
.wx-mask[hidden]{display:none}
.wx-box{position:relative;background:var(--bg2);border:1px solid var(--gold-dim);border-radius:var(--radius);padding:clamp(28px,4vw,40px);max-width:380px;width:100%;text-align:center;display:flex;flex-direction:column;gap:16px;align-items:center}
.wx-close{position:absolute;top:8px;right:12px;width:36px;height:36px;border:0;background:transparent;color:var(--dim);font-size:28px;line-height:1;cursor:pointer}
.wx-close:hover{color:var(--w)}
.wx-qr{width:min(240px,68vw)}
.wx-qr img{width:100%;height:auto;border-radius:12px;background:#fff;padding:10px;display:block}
.wx-box h3{font-size:clamp(18px,2.3vw,22px);font-weight:700;margin:0}
.wx-box p{font-size:14px;color:var(--txt);line-height:1.7;margin:0}

/* 联系我 · GEO 诊断弹窗 */
.cmask{position:fixed;inset:0;z-index:1000;overflow-y:auto;-webkit-overflow-scrolling:touch;background:rgba(4,7,12,.78);backdrop-filter:blur(4px);padding:clamp(16px,4vw,48px)}
.cmask[hidden]{display:none}
.cbox{position:relative;background:var(--bg2);border:1px solid var(--gold-dim);border-radius:var(--radius);padding:clamp(24px,4vw,44px);max-width:680px;width:100%;margin:0 auto;display:flex;flex-direction:column;gap:clamp(20px,3vw,28px)}
.cclose{position:absolute;top:10px;right:14px;width:38px;height:38px;border:0;background:transparent;color:var(--dim);font-size:30px;line-height:1;cursor:pointer}
.cclose:hover{color:var(--w)}
.cbox .chd{display:flex;flex-direction:column;gap:12px;padding-right:34px}
.cbox .chd h3{font-size:clamp(22px,3.4vw,30px);line-height:1.35;font-weight:700}
.cbox .chd p{font-size:clamp(14px,1.6vw,16px);line-height:1.8;color:var(--txt)}
.cbox .diag-list{margin:0}
.cbox .diag-foot{padding-top:clamp(18px,2.5vw,24px)}
.cbox .qr-box img{width:min(220px,58vw)}
@media(max-width:560px){.cbox .diag-foot{flex-direction:column;align-items:stretch}.cbox .diag-foot .btn{width:100%}}