:root { --bg: #0b1015; --panel: #111923; --panel-2: #151f2a; --line: #293747; --text: #ecf2f6; --muted: #9aabb8; --acid: #c7ff47; --cyan: #75e2ff; --danger: #ffcca8; --max: 1160px; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; color: var(--text); background: var(--bg); font-family: "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif; line-height: 1.6; }
body::before { content: ""; position: fixed; z-index: -1; inset: 0; opacity: .28; pointer-events: none; background-image: linear-gradient(rgba(117, 226, 255, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(117, 226, 255, .045) 1px, transparent 1px); background-size: 36px 36px; mask-image: linear-gradient(to bottom, black, transparent 70%); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 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; }
.skip-link { position: fixed; z-index: 20; top: 10px; left: 10px; transform: translateY(-160%); padding: 9px 13px; color: #001014; background: var(--acid); transition: transform .18s ease; }
.skip-link:focus { transform: translateY(0); }
.site-header { width: min(var(--max), calc(100% - 40px)); min-height: 86px; margin: auto; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(154, 171, 184, .18); }
.brand { display: inline-flex; align-items: center; gap: 10px; line-height: 1.1; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; color: #061010; background: var(--acid); font-family: ui-monospace, monospace; font-size: 12px; font-weight: 900; letter-spacing: -1px; }
.brand strong, .brand small { display: block; }.brand strong { letter-spacing: .08em; font-size: 13px; }.brand small { margin-top: 4px; color: var(--muted); font-size: 10px; letter-spacing: .12em; }
.site-nav { display: flex; gap: 26px; color: var(--muted); font-size: 14px; }.site-nav a:hover { color: var(--acid); }
.menu-toggle { display: none; border: 1px solid var(--line); padding: 7px 10px; color: var(--text); background: transparent; cursor: pointer; }
.hero, .section { width: min(var(--max), calc(100% - 40px)); margin: auto; }.hero { min-height: 620px; display: grid; grid-template-columns: 1.05fr .95fr; align-content: center; gap: 72px; position: relative; }
.terminal-label, .eyebrow { color: var(--cyan); font: 11px/1.3 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .14em; text-transform: uppercase; }.terminal-label { grid-column: 1 / -1; margin-bottom: -50px; }.terminal-label span { color: var(--acid); }
.eyebrow { margin: 0 0 16px; }.hero h1, h2, h3, p { margin-top: 0; }.hero h1 { margin-bottom: 25px; font-size: clamp(42px, 6vw, 76px); line-height: 1.05; letter-spacing: -.065em; }.hero h1 em { color: var(--muted); font-style: normal; }.hero-summary { max-width: 550px; color: var(--muted); font-size: 17px; }.hero-actions { display: flex; align-items: center; gap: 26px; margin-top: 31px; }.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 46px; padding: 11px 16px; border: 1px solid var(--acid); font-size: 14px; font-weight: 700; transition: transform .18s ease, background .18s ease; }.button:hover { transform: translateY(-2px); }.button-primary { color: #071015; background: var(--acid); }.button-outline { color: var(--acid); }.text-link { color: var(--muted); font-size: 14px; text-decoration: underline; text-underline-offset: 5px; }
.rack-visual { align-self: center; padding: 17px; border: 1px solid #364658; background: linear-gradient(145deg, rgba(24, 38, 51, .94), rgba(11, 16, 21, .96)); box-shadow: 19px 19px 0 rgba(117, 226, 255, .06); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }.rack-topline { display: flex; justify-content: space-between; padding-bottom: 12px; color: var(--muted); font-size: 10px; border-bottom: 1px solid var(--line); }.live-dot { color: var(--acid); }.live-dot::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 5px; border-radius: 50%; background: currentColor; }.server-row { display: grid; grid-template-columns: 10px 32px 1fr 50px; gap: 10px; align-items: center; min-height: 66px; padding: 0 10px; border-bottom: 1px solid rgba(41, 55, 71, .7); color: #b7c5d0; font-size: 12px; }.server-row i { height: 8px; background: repeating-linear-gradient(90deg, #3b4c5d 0 6px, transparent 6px 10px); }.server-row b { color: var(--muted); }.server-led { width: 7px; height: 7px; border-radius: 50%; background: #66829a; }.featured-row { color: var(--acid); background: rgba(199, 255, 71, .06); }.featured-row .server-led { background: var(--acid); box-shadow: 0 0 12px var(--acid); }.rack-visual p { margin: 15px 2px 0; color: var(--muted); font-size: 11px; }.rack-visual p span { color: var(--acid); }
.section { padding: 112px 0; }.section-heading { max-width: 620px; }.section-heading h2, .guide h2 { margin-bottom: 12px; font-size: clamp(30px, 4vw, 46px); line-height: 1.12; letter-spacing: -.05em; }.section-heading > p:last-child { color: var(--muted); }.plans { border-top: 1px solid var(--line); }.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }.plan-card { position: relative; display: flex; flex-direction: column; min-height: 500px; padding: 23px; border: 1px solid var(--line); background: rgba(17, 25, 35, .72); transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease; cursor: pointer; }.plan-card:hover, .plan-card.is-selected { border-color: var(--cyan); transform: translateY(-4px); box-shadow: 0 14px 36px rgba(0, 0, 0, .24); }.plan-card-featured { border-color: rgba(199, 255, 71, .76); background: linear-gradient(165deg, rgba(199, 255, 71, .12), rgba(17, 25, 35, .78) 44%); }.recommended { position: absolute; top: -12px; right: 17px; padding: 4px 9px; color: #071015; background: var(--acid); font: 10px ui-monospace, monospace; letter-spacing: .08em; }.plan-top { display: flex; justify-content: space-between; color: var(--muted); font: 11px ui-monospace, monospace; }.tier-number { color: var(--cyan); }.plan-card h3 { margin: 35px 0 12px; font-size: 39px; letter-spacing: -.07em; }.plan-card h3 small { color: var(--muted); font-size: 13px; font-weight: 500; letter-spacing: 0; }.plan-intro { min-height: 54px; color: var(--muted); font-size: 14px; }.spec-list { display: grid; grid-template-columns: 1fr 1fr; margin: 19px 0; border-top: 1px solid var(--line); }.spec-list div { padding: 11px 0; border-bottom: 1px solid var(--line); }.spec-list dt { color: var(--muted); font-size: 11px; }.spec-list dd { margin: 1px 0 0; font-weight: 700; font-size: 14px; }.price { margin: auto 0 19px; }.price strong { color: var(--acid); font-size: 34px; letter-spacing: -.05em; }.price span { margin-left: 5px; color: var(--muted); font-size: 12px; }.selection-status { min-height: 26px; margin: 21px 0 0; color: var(--muted); font-size: 14px; }
.api-credits { border-top: 1px solid var(--line); }.api-credit-notice { display: grid; grid-template-columns: minmax(170px, .65fr) minmax(0, 1.35fr) auto; gap: 28px; align-items: center; margin-top: 42px; padding: clamp(22px, 4vw, 36px); border: 1px solid rgba(117, 226, 255, .48); border-left: 3px solid var(--cyan); background: linear-gradient(115deg, rgba(117, 226, 255, .12), rgba(17, 25, 35, .92) 48%); }.api-credit-notice .eyebrow { margin-bottom: 7px; }.api-multiplier { margin: 0; color: var(--text); font: 13px ui-monospace, monospace; }.api-multiplier strong { color: var(--acid); font-size: clamp(32px, 4vw, 48px); letter-spacing: -.07em; }.api-credit-notice > p { margin: 0; color: var(--muted); font-size: 14px; }.api-notice-actions { display: grid; gap: 9px; min-width: 146px; }.api-topup { display: flex; gap: 13px; align-items: flex-start; margin-top: 18px; padding: 14px 16px; border: 1px solid var(--line); background: rgba(17, 25, 35, .55); }.api-topup > span { display: grid; flex: 0 0 auto; place-items: center; width: 22px; height: 22px; color: #071015; background: var(--acid); font: 18px/1 ui-monospace, monospace; }.api-topup p { margin: 0; color: var(--muted); font-size: 14px; }.api-topup strong { color: var(--text); }.api-plan-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 28px; }.api-plan-card { display: flex; flex-direction: column; min-height: 370px; padding: 23px; border: 1px solid var(--line); background: rgba(17, 25, 35, .72); transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease; }.api-plan-card:hover { border-color: var(--cyan); transform: translateY(-4px); box-shadow: 0 14px 36px rgba(0, 0, 0, .24); }.api-plan-card-featured { border-color: rgba(199, 255, 71, .76); background: linear-gradient(165deg, rgba(199, 255, 71, .12), rgba(17, 25, 35, .78) 44%); }.api-plan-card h3 { margin: 23px 0 9px; font-size: 23px; letter-spacing: -.04em; }.api-price { margin: 0; }.api-price strong { color: var(--acid); font-size: 30px; letter-spacing: -.05em; }.api-price span { margin-left: 5px; color: var(--muted); font-size: 12px; }.api-plan-intro { min-height: 44px; margin: 12px 0; color: var(--muted); font-size: 14px; }.api-spec-list { display: grid; grid-template-columns: 1fr 1fr; margin: 0 0 18px; border-top: 1px solid var(--line); }.api-spec-list div { padding: 9px 0; border-bottom: 1px solid var(--line); }.api-spec-list dt { color: var(--muted); font-size: 11px; }.api-spec-list dd { margin: 1px 0 0; color: var(--text); font-size: 13px; font-weight: 700; }.api-plan-card .button { margin-top: auto; }.api-disclaimer { margin: 20px 0 0; color: var(--cyan); font: 11px ui-monospace, monospace; }
.uses { background: linear-gradient(90deg, transparent, rgba(117, 226, 255, .04), transparent); }.use-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 39px; border: 1px solid var(--line); background: var(--line); }.use-grid article { min-height: 230px; padding: 24px; background: var(--bg); }.use-icon { display: grid; place-items: center; width: 35px; height: 35px; margin-bottom: 34px; color: var(--acid); border: 1px solid currentColor; font-family: ui-monospace, monospace; }.use-grid h3 { margin-bottom: 8px; font-size: 17px; }.use-grid p { color: var(--muted); font-size: 13px; }
.guide-panel { display: grid; grid-template-columns: .9fr 1.1fr; gap: 65px; padding: clamp(26px, 5vw, 62px); border-left: 2px solid var(--acid); background: var(--panel); }.guide h2 strong { color: var(--acid); }.guide-list { margin: 0; padding: 0; list-style: none; }.guide-list li { display: grid; grid-template-columns: 48px 1fr; gap: 14px; padding: 0 0 20px; margin-bottom: 20px; border-bottom: 1px solid var(--line); }.guide-list li:last-child { margin: 0; padding-bottom: 0; border: 0; }.guide-list span { color: var(--cyan); font: 12px ui-monospace, monospace; }.guide-list h3 { margin-bottom: 5px; font-size: 16px; }.guide-list p { margin: 0; color: var(--muted); font-size: 13px; }
.setup { border-top: 1px solid var(--line); }.setup-steps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin: 42px 0 25px; padding: 1px; list-style: none; background: var(--line); }.setup-steps li { display: grid; grid-template-columns: 45px minmax(0, 1fr); gap: 16px; padding: 25px; background: var(--panel); }.setup-steps li:nth-child(2) { grid-row: span 2; }.setup-number { color: var(--acid); font: 12px ui-monospace, monospace; }.setup-steps h3 { margin-bottom: 7px; font-size: 17px; }.setup-steps p { margin-bottom: 0; color: var(--muted); font-size: 13px; }.setup-steps strong { color: var(--text); }.table-note { margin-bottom: 13px !important; color: var(--cyan) !important; font: 11px ui-monospace, monospace; }.ip-table-wrap { overflow-x: auto; border: 1px solid var(--line); }.ip-table { width: 100%; min-width: 315px; border-collapse: collapse; font: 12px ui-monospace, SFMono-Regular, Consolas, monospace; }.ip-table th, .ip-table td { padding: 9px 10px; text-align: left; border-bottom: 1px solid var(--line); }.ip-table th { color: var(--cyan); background: rgba(117, 226, 255, .06); font-weight: 500; }.ip-table td:last-child { color: var(--acid); }.ip-table tr:last-child td { border-bottom: 0; }.command-block { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 14px; padding: 12px; border: 1px solid #364658; background: #0a0f14; }.command-block code { color: var(--acid); font: 13px ui-monospace, SFMono-Regular, Consolas, monospace; }.copy-command { flex: 0 0 auto; padding: 5px 8px; color: var(--cyan); border: 1px solid currentColor; background: transparent; font-size: 11px; cursor: pointer; }.copy-command:hover { color: var(--acid); }.step-caveat { margin-top: 12px !important; color: var(--danger) !important; }.security-note { padding: clamp(24px, 4vw, 38px); border: 1px solid rgba(255, 204, 168, .52); border-left: 3px solid var(--danger); background: linear-gradient(90deg, rgba(255, 204, 168, .08), rgba(17, 25, 35, .72)); }.security-note h3 { margin-bottom: 8px; font-size: 20px; }.security-note p:last-child { max-width: 870px; margin-bottom: 0; color: var(--muted); font-size: 14px; }
.faq { padding-top: 30px; }.faq-list { margin-top: 36px; border-top: 1px solid var(--line); }.faq details { border-bottom: 1px solid var(--line); }.faq summary { padding: 20px 2px; cursor: pointer; font-weight: 700; list-style: none; }.faq summary::-webkit-details-marker { display: none; }.faq summary::after { content: "+"; float: right; color: var(--acid); font: 23px/1 ui-monospace, monospace; }.faq details[open] summary::after { content: "−"; }.faq details p { max-width: 800px; padding: 0 2px 20px; margin: 0; color: var(--muted); font-size: 14px; }.site-footer { width: min(var(--max), calc(100% - 40px)); min-height: 130px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }.site-footer > a:last-child { color: var(--cyan); }
@media (max-width: 760px) { .site-header { min-height: 70px; position: relative; }.menu-toggle { display: block; }.site-nav { display: none; position: absolute; z-index: 10; top: 62px; right: 0; left: 0; flex-direction: column; gap: 0; padding: 10px; border: 1px solid var(--line); background: var(--panel); }.site-nav.is-open { display: flex; }.site-nav a { padding: 12px; }.hero { min-height: auto; grid-template-columns: 1fr; gap: 38px; padding: 75px 0; }.terminal-label { grid-column: auto; margin-bottom: -15px; }.hero h1 { font-size: clamp(40px, 14vw, 58px); }.rack-visual { max-width: 500px; }.plan-grid, .api-plan-grid, .use-grid, .setup-steps { grid-template-columns: 1fr; }.plan-card { min-height: auto; }.plan-intro, .api-plan-intro { min-height: 0; }.api-credit-notice { grid-template-columns: 1fr; gap: 20px; }.api-notice-actions { grid-template-columns: 1fr 1fr; min-width: 0; }.section { padding: 76px 0; }.guide-panel { grid-template-columns: 1fr; gap: 40px; }.setup-steps li:nth-child(2) { grid-row: auto; }.command-block { align-items: flex-start; flex-direction: column; }.site-footer { align-items: flex-start; flex-direction: column; padding: 28px 0; gap: 18px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; }.skip-link, .button, .plan-card { transition: none; }.button:hover, .plan-card:hover, .plan-card.is-selected { transform: none; } }