:root{--bg:#12151b;--panel:#1b1f28;--panel2:#232833;--border:#3b414e;--text:#eef0f4;--dim:#a6adba;--cyan:#4dd0e1;--gold:#e6a23c;--yellow:#ffd76b;--red:#ff6262;--green:#2ed47a}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at 50% -120px,rgba(230,162,60,.15),transparent 420px),var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65}
a{color:var(--cyan)}
.guide-shell{width:min(1120px,calc(100% - 28px));margin:0 auto;padding:22px 0 54px}
.hero{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;padding:30px;border:1px solid rgba(230,162,60,.45);border-radius:16px;background:linear-gradient(135deg,rgba(230,162,60,.16),rgba(27,31,40,.96) 55%);box-shadow:0 18px 50px rgba(0,0,0,.28)}
.eyebrow{display:inline-block;margin-bottom:7px;color:var(--yellow);font-size:13px;font-weight:800;letter-spacing:.08em}
h1{margin:0;font-size:clamp(28px,4vw,48px);line-height:1.2}.hero p{max-width:720px;margin:13px 0 0;color:#ccd1da;font-size:16px}
.hero-actions{display:flex;flex-direction:column;gap:9px;min-width:210px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;border:1px solid var(--border);border-radius:8px;text-decoration:none;font-weight:800}.button.primary{border-color:var(--gold);background:var(--gold);color:#111}.button.ghost{background:rgba(255,255,255,.04);color:var(--text)}
.critical{display:flex;flex-direction:column;gap:5px;margin:16px 0;padding:16px 20px;border:1px solid rgba(255,98,98,.58);border-left:5px solid var(--red);border-radius:10px;background:rgba(255,98,98,.11)}.critical strong{color:#fff;font-size:19px}.critical span{color:#ffd5d5}
.flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;align-items:center;gap:9px;margin:20px 0}.flow a{display:flex;align-items:center;justify-content:center;gap:9px;min-height:54px;padding:9px;border:1px solid var(--border);border-radius:9px;background:var(--panel);color:var(--text);text-decoration:none;font-weight:700}.flow b{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--gold);color:#111}.flow i{color:var(--gold);font-style:normal;font-size:20px}
.section{margin-top:18px;padding:24px;border:1px solid var(--border);border-radius:14px;background:rgba(27,31,40,.94)}.section-title{display:flex;align-items:center;gap:10px;margin-bottom:14px}.section-title span{flex:0 0 auto;padding:4px 9px;border-radius:5px;background:rgba(77,208,225,.12);color:var(--cyan);font-size:12px;font-weight:800}.section-title h2{margin:0;font-size:24px}.section-lead{margin:-5px 0 18px;color:var(--dim)}
.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.check-grid article{padding:14px;border:1px solid rgba(77,208,225,.2);border-radius:9px;background:rgba(77,208,225,.05)}.check-grid b{color:var(--cyan)}.check-grid p{margin:6px 0 0;color:var(--dim);font-size:13px}
.steps{display:grid;gap:14px}.step{border:1px solid var(--border);border-radius:11px;background:var(--panel2);overflow:hidden}.step.wide{display:grid;grid-template-columns:minmax(280px,.8fr) minmax(400px,1.2fr);align-items:center}.step.wide.reverse{grid-template-columns:minmax(280px,.8fr) minmax(400px,1.2fr)}.step.wide.reverse .step-copy{order:2}.step-copy{padding:22px}.step-copy em,.phone-copy em{color:var(--gold);font-style:normal;font-size:12px;font-weight:800}.step h3,.phone-steps h3{margin:4px 0 8px;font-size:19px}.step p,.phone-steps p{margin:0;color:#c7ccd5}.shot{display:block;background:#f7f7f7;overflow:hidden}.shot img{display:block;width:100%;height:100%;object-fit:contain}.shot.landscape{min-height:230px}.mini-warning{margin-top:12px;padding:9px 11px;border-radius:6px;background:rgba(230,162,60,.12);color:var(--yellow);font-size:13px}
.safe-box{margin-top:14px;padding:17px 20px;border:1px solid rgba(46,212,122,.3);border-radius:10px;background:rgba(46,212,122,.06)}.safe-box h3{margin:0 0 8px;color:var(--green)}.safe-box ol{margin:0;padding-left:21px}.safe-box li{margin:5px 0;color:#d1d6de}
.two-column{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:center}.copy-card{padding:20px;border-radius:10px;background:var(--panel2)}.copy-card h3{margin:0 0 10px;color:var(--yellow)}.copy-card ol,.copy-card ul{padding-left:21px}.copy-card li{margin:7px 0}.local-shot{max-height:420px;border-radius:10px}.local-shot img{max-height:420px}
.network-alert{display:flex;flex-direction:column;gap:3px;margin-bottom:16px;padding:14px 16px;border:1px solid rgba(255,98,98,.55);border-radius:9px;background:rgba(255,98,98,.09)}.network-alert b{color:#fff;font-size:18px}.network-alert span{color:#ffc6c6}
.phone-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.phone-steps article{display:flex;flex-direction:column;border:1px solid var(--border);border-radius:11px;background:var(--panel2);overflow:hidden}.phone-copy{padding:16px;min-height:216px}.phone{margin-top:auto;aspect-ratio:1/1.18}.amount-rule{margin-top:11px;padding:9px;border-radius:6px;background:rgba(255,215,107,.12);color:var(--yellow);font-weight:800}
.final-check{margin-top:18px;padding:24px;border:1px solid rgba(46,212,122,.4);border-radius:14px;background:linear-gradient(135deg,rgba(46,212,122,.1),rgba(27,31,40,.95))}.final-check h2{margin:0 0 14px}.final-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.final-grid span{padding:10px 12px;border-radius:7px;background:rgba(0,0,0,.22);color:#dfffea;font-weight:700}
footer{padding:26px 10px 0;color:var(--dim);text-align:center;font-size:12px}footer p{margin:6px auto;max-width:900px}.bottom-return{margin-top:13px;min-width:200px}
@media(max-width:900px){.hero{grid-template-columns:1fr}.hero-actions{flex-direction:row}.check-grid{grid-template-columns:1fr 1fr}.step.wide,.step.wide.reverse{grid-template-columns:1fr}.step.wide.reverse .step-copy{order:0}.phone-steps{grid-template-columns:1fr 1fr}.phone-copy{min-height:185px}.final-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.guide-shell{width:min(100% - 18px,1120px);padding-top:9px}.hero{padding:20px 16px;border-radius:11px}.hero p{font-size:14px}.hero-actions{display:grid;grid-template-columns:1fr 1fr;min-width:0}.button{padding:9px 7px;font-size:12px}.critical{padding:13px 14px}.critical strong{font-size:17px}.flow{grid-template-columns:1fr 1fr;gap:7px}.flow i{display:none}.flow a{justify-content:flex-start}.section{padding:16px 12px;border-radius:10px}.section-title{align-items:flex-start}.section-title h2{font-size:20px}.check-grid,.two-column,.phone-steps,.final-grid{grid-template-columns:1fr}.step.wide,.step.wide.reverse{display:block}.step-copy{padding:16px}.shot.landscape{min-height:0}.phone-copy{min-height:0}.phone{aspect-ratio:auto}.phone img{max-height:560px}.final-check{padding:18px 13px}.final-grid span{font-size:13px}}