:root{--blue:#1687f4;--cyan:#25c9df;--navy:#081f42;--ink:#112842;--muted:#667b91;--line:#dce8f4;--soft:#f3f8fd}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:#fff;font-family:"Microsoft YaHei UI","PingFang SC",sans-serif}a{color:inherit;text-decoration:none}.guide-container{width:min(1240px,calc(100% - 40px));margin:auto}.guide-hero{position:relative;min-height:690px;display:grid;align-items:center;overflow:hidden;color:#fff;background:radial-gradient(circle at 72% 28%,rgba(43,206,239,.33),transparent 25%),linear-gradient(120deg,#071f48,#0756a8 60%,#0794ca)}.guide-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(125,213,255,.075) 1px,transparent 1px),linear-gradient(90deg,rgba(125,213,255,.075) 1px,transparent 1px);background-size:55px 55px;mask-image:linear-gradient(90deg,#000,transparent 85%)}.guide-hero:after{content:"";position:absolute;right:-170px;bottom:-380px;width:830px;height:830px;border:1px solid rgba(159,230,255,.18);border-radius:50%;box-shadow:0 0 0 90px rgba(126,220,255,.025),0 0 0 180px rgba(126,220,255,.018)}.guide-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:80px;align-items:center}.guide-hero-copy>span,.chapter-en,.guide-conclusion>span{color:#66e2fa;font-size:11px;font-weight:900;letter-spacing:.2em}.guide-hero h1{margin:20px 0 25px;font-size:clamp(58px,7vw,96px);line-height:.96;letter-spacing:-.075em}.guide-hero h1 em{color:transparent;font-style:normal;-webkit-text-stroke:1.5px rgba(255,255,255,.88)}.guide-hero-copy>p{max-width:660px;color:rgba(255,255,255,.72);font-size:17px;line-height:1.9}.guide-meta{display:flex;flex-wrap:wrap;gap:9px;margin:28px 0}.guide-meta b{padding:8px 12px;border:1px solid rgba(255,255,255,.18);border-radius:999px;background:rgba(255,255,255,.08);font-size:10px}.guide-hero-copy>a{display:inline-flex;align-items:center;gap:26px;margin-top:12px;padding:14px 20px;border-radius:10px;color:#0a477c;background:#fff;font-weight:800;box-shadow:0 20px 45px rgba(0,21,53,.24);transition:.35s}.guide-hero-copy>a:hover{gap:38px;transform:translateY(-3px)}.guide-hero-copy>a i{font-style:normal;color:var(--blue)}.guide-hero-visual{position:relative;height:430px;display:grid;place-items:center}.guide-hero-visual strong{position:relative;z-index:2;font-size:100px;letter-spacing:-.08em;text-shadow:0 22px 50px rgba(0,35,79,.28)}.guide-orbit{position:absolute;width:350px;height:350px;border:1px solid rgba(174,235,255,.32);border-radius:50%;animation:orbit 22s linear infinite}.guide-orbit:before,.guide-orbit:after{content:"";position:absolute;border:1px solid rgba(174,235,255,.19);border-radius:50%}.guide-orbit:before{inset:42px}.guide-orbit:after{inset:92px}.guide-hero-visual>span{position:absolute;z-index:3;padding:9px 13px;border:1px solid rgba(255,255,255,.2);border-radius:9px;background:rgba(3,55,112,.45);font-size:11px;backdrop-filter:blur(10px)}.guide-hero-visual>span:nth-of-type(1){left:5%;top:25%}.guide-hero-visual>span:nth-of-type(2){right:2%;top:35%}.guide-hero-visual>span:nth-of-type(3){left:12%;bottom:18%}.guide-hero-visual>span:nth-of-type(4){right:12%;bottom:13%}
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.capability-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.capability-list article{padding:23px;display:flex;gap:18px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:.4s}.capability-list article:hover{border-color:#9cccf5;background:#fafdff;transform:translateY(-3px)}.capability-list i{width:38px;height:38px;flex:0 0 38px;display:grid;place-items:center;border-radius:10px;color:#1687f4;background:#eaf4ff;font:700 11px/1 ui-monospace,monospace}.capability-list h3{margin:0 0 8px;font-size:16px}.capability-list p{margin:0;font-size:12px;line-height:1.75}.highlight-band{margin-top:25px;display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;border-radius:15px;color:#fff;background:linear-gradient(115deg,#092e62,#087cb2)}.highlight-band div{padding:22px}.highlight-band div+div{border-left:1px solid rgba(255,255,255,.13)}.highlight-band b,.highlight-band span{display:block}.highlight-band b{font-size:13px}.highlight-band span{margin-top:7px;color:rgba(255,255,255,.62);font-size:10px}
.step-timeline{padding:0;margin:42px 0 0;list-style:none;counter-reset:step}.step-timeline li{position:relative;margin-left:23px;padding:0 0 29px 46px;border-left:1px solid #cae1f5}.step-timeline li:before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:-23px;top:-3px;width:44px;height:44px;display:grid;place-items:center;border:1px solid #88c4f7;border-radius:50%;color:#1386ed;background:#fff;font:700 11px/1 ui-monospace,monospace;box-shadow:0 0 0 7px #f3f9ff}.step-timeline li:last-child{border-color:transparent}.step-timeline b,.step-timeline span{display:block}.step-timeline b{font-size:16px}.step-timeline span{margin-top:7px;color:var(--muted);font-size:13px}
.route{display:inline-flex!important;margin:0 0 15px!important;padding:7px 10px;border-radius:7px;color:#197fd3!important;background:#edf6ff;font-size:11px!important;font-weight:800}.howto,.module-block{margin-top:24px;padding:27px 30px;border:1px solid var(--line);border-radius:16px;background:#fff}.howto h3,.module-block h3{margin:0 0 17px;font-size:19px}.guide-section ol,.guide-section ul{padding-left:22px;color:#536a82;line-height:1.9}.guide-section li+li{margin-top:8px}.tip,.warning{margin:20px 0 0!important;padding:15px 18px;border-left:3px solid #32a4ef;border-radius:0 10px 10px 0;background:#eef8ff;font-size:12px!important}.warning{border-left-color:#f2aa35;background:#fff8ec}.guide-section code{padding:2px 5px;border-radius:4px;color:#0b74c8;background:#eaf5ff}.stage-row{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:22px 0}.stage-row>div{padding:17px;border:1px solid #d6e8f7;border-radius:11px;background:#f7fbff}.stage-row b,.stage-row span{display:block}.stage-row b{color:var(--blue);font:800 13px/1 ui-monospace,monospace}.stage-row span{margin-top:10px;color:#63798e;font-size:11px;line-height:1.6}.compare-mini{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}.compare-mini>div{padding:18px;border-radius:11px;background:#f2f8fd}.compare-mini b,.compare-mini span{display:block}.compare-mini span{margin-top:7px;color:#6b8093;font-size:11px}.report-flow{margin:30px 0;display:flex;align-items:center;gap:10px;overflow-x:auto}.report-flow span{flex:0 0 auto;padding:11px 13px;border:1px solid #cfe5f8;border-radius:9px;color:#176eaf;background:#f5fbff;font-size:11px;font-weight:800}.report-flow i{color:#94bad8;font-style:normal}.assistant-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:30px}.assistant-grid>div{padding:24px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(145deg,#fff,#f5faff)}.assistant-grid b{font-size:15px}.assistant-grid p{margin:9px 0 0;font-size:12px;line-height:1.75}
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.guide-toc{position:sticky;top:96px;padding:5px 0 0 26px;border-left:1px solid #dce8f3}.guide-toc>span{display:block;margin-bottom:15px;color:#88a0b5;font-size:9px;font-weight:900;letter-spacing:.17em}.guide-toc nav{display:grid;gap:2px}.guide-toc nav a{position:relative;padding:8px 10px;color:#7a8da0;font-size:12px;transition:.25s}.guide-toc nav a:before{content:"";position:absolute;left:-28px;top:50%;width:3px;height:0;border-radius:9px;background:var(--blue);transform:translateY(-50%);transition:.3s}.guide-toc nav a:hover,.guide-toc nav a.active{color:#0f75c8;font-weight:800}.guide-toc nav a.active:before{height:22px}.toc-back{display:inline-flex;margin-top:24px;color:#1a78bd;font-size:11px;font-weight:800}.toc-progress{position:absolute;left:-1px;top:0;bottom:0;width:1px}.toc-progress i{display:block;width:1px;height:0;background:linear-gradient(var(--blue),var(--cyan))}.guide-footer{padding:28px 0;border-top:1px solid #e3edf6;color:#8596a7}.guide-footer>div{display:flex;justify-content:space-between;font-size:11px}.reveal{opacity:0;transform:translateY(28px);transition:.75s cubic-bezier(.2,.8,.2,1)}.reveal.visible{opacity:1;transform:none}@keyframes orbit{to{transform:rotate(360deg)}}
@media(max-width:980px){.guide-hero-inner{grid-template-columns:1fr}.guide-hero-visual{display:none}.guide-layout{grid-template-columns:1fr}.guide-toc{display:none}.highlight-band{grid-template-columns:1fr 1fr}.capability-list{grid-template-columns:1fr}.guide-hero{min-height:650px}}
@media(max-width:650px){.guide-container{width:calc(100% - 30px)}.guide-hero h1{font-size:52px}.guide-layout{padding:75px 0}.guide-section{padding-bottom:70px;margin-bottom:65px}.chapter-no{font-size:70px}.guide-section>h2{font-size:36px}.problem-grid,.assistant-grid,.stage-row,.compare-mini{grid-template-columns:1fr}.system-note{grid-template-columns:1fr;gap:8px}.system-note span{justify-self:start}.highlight-band{grid-template-columns:1fr}.highlight-band div+div{border-left:0;border-top:1px solid rgba(255,255,255,.13)}.howto,.module-block{padding:23px 20px}.guide-conclusion{padding:35px 24px}.guide-conclusion h2{font-size:30px}.guide-conclusion>div{display:grid}.guide-footer>div{display:grid;gap:8px;text-align:center}}

/* Custom GEO guide cover */
.guide-hero{min-height:690px;background-image:linear-gradient(90deg,rgba(3,17,43,.96) 0%,rgba(3,25,60,.82) 35%,rgba(2,24,57,.26) 68%,rgba(2,15,38,.12) 100%),url("images/geo-guide-background.png");background-size:cover;background-position:center;background-repeat:no-repeat}
.guide-grid{opacity:.12}.guide-hero:after{display:none}.guide-hero-inner{grid-template-columns:minmax(0,620px) 1fr}.guide-hero-copy{padding:36px 38px;border:1px solid rgba(117,210,255,.16);border-radius:24px;background:rgba(2,27,61,.36);box-shadow:0 30px 70px rgba(0,11,34,.2);backdrop-filter:blur(8px)}.guide-hero-visual{display:none}
@media(max-width:980px){.guide-hero{background-position:56% center}.guide-hero-inner{grid-template-columns:1fr}.guide-hero-copy{max-width:650px}}
@media(max-width:650px){.guide-hero{background-position:54% center}.guide-hero-copy{padding:29px 23px;background:rgba(2,25,58,.66)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.guide-orbit{animation:none}.reveal{opacity:1;transform:none;transition:none}}
.guide-hero-copy{padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;backdrop-filter:none;text-shadow:0 3px 20px rgba(0,13,38,.3)}
.guide-hero h1 em{color:#fff;-webkit-text-stroke:0;text-shadow:0 4px 24px rgba(0,20,55,.24)}
@media(max-width:650px){.guide-hero-copy{padding:0;background:transparent}}