/* ============================================================
   领航云·域名管理平台  前台样式 v2「领航 · 航空仪表盘」
   ============================================================ */
:root{
  --navy:#0b1f3a;
  --ink:#0f2a52;
  --ink-2:#5b6b85;
  --ink-3:#8b9bb5;
  --line:#dbe4f0;
  --line-2:#eef2f8;
  --paper:#f7f9fc;
  --blue:#2563eb;
  --blue-deep:#1e40af;
  --amber:#f59e0b;
  --amber-deep:#d97706;
  --green:#059669;
  --red:#dc2626;
  --grad:linear-gradient(135deg,#2563eb,#7c3aed);
  --grad-navy:linear-gradient(135deg,#0b1f3a,#1e40af);
  --shadow:0 18px 50px rgba(11,31,58,.10);
  --shadow-lg:0 28px 70px rgba(11,31,58,.14);
  --radius:18px;
  --mono:Consolas,"SF Mono","Cascadia Mono","Courier New",monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  color:var(--ink);background:#fff;overflow-x:hidden;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  display:flex;flex-direction:column;min-height:100vh;min-height:100dvh;
}
img,svg{vertical-align:middle}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
.mono{font-family:var(--mono)}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px}

/* ---------- 纸张网格 & 水印 ---------- */
.page-grid{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(11,31,58,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(11,31,58,.045) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(120% 90% at 50% 0%,#000 55%,transparent 100%);
  mask-image:radial-gradient(120% 90% at 50% 0%,#000 55%,transparent 100%);
}
.watermark{position:fixed;top:46%;left:50%;transform:translate(-50%,-50%) rotate(-18deg);z-index:0;pointer-events:none;
  font-family:var(--mono);font-size:clamp(90px,16vw,220px);font-weight:800;letter-spacing:14px;white-space:nowrap;
  color:rgba(11,31,58,.028);user-select:none}
main,.nav,.footer{position:relative;z-index:1}

/* ---------- 顶部系统状态条 ---------- */
.sysstrip{background:var(--navy);color:#c7d4e8;position:relative;z-index:60}
.sysstrip-inner{display:flex;align-items:center;gap:26px;height:30px;font-size:11px;letter-spacing:1.5px}
.sys-cell{display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.sys-cell .lamp{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 8px rgba(5,150,105,.9);animation:lampPulse 2.4s ease-in-out infinite}
.sys-time{color:#7d92b0}
.hide-sm{color:#7d92b0}
@keyframes lampPulse{0%,100%{opacity:1}50%{opacity:.45}}

/* ---------- 阅读进度条 ---------- */
.progress-bar{position:fixed;top:0;left:0;height:3px;width:0;z-index:80;background:linear-gradient(90deg,var(--blue),var(--amber));transition:width .12s linear}

/* ---------- 顶部导航 ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.nav.scrolled{box-shadow:0 8px 30px rgba(11,31,58,.08)}
.nav-inner{display:flex;align-items:center;gap:30px;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;letter-spacing:.5px}
.brand-logo{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;color:#fff;background:var(--grad-navy);box-shadow:0 8px 20px rgba(11,31,58,.35);position:relative}
.brand-logo::after{content:"";position:absolute;inset:3px;border-radius:50%;border:1px dashed rgba(255,255,255,.5)}
.brand-logo svg{width:20px;height:20px;position:relative;z-index:1}
.brand-tag{font-size:10px;color:var(--ink-3);letter-spacing:2px;border:1px solid var(--line);padding:2px 7px;border-radius:4px}
.nav-links{display:flex;gap:30px;margin-left:auto}
.nav-links a{font-size:14.5px;color:var(--ink-2);font-weight:600;position:relative;transition:color .2s;padding:6px 2px}
.nav-links a::before{content:"";position:absolute;top:-1px;left:50%;transform:translateX(-50%);width:4px;height:4px;border-radius:50%;background:transparent;transition:background .2s}
.nav-links a.active{color:var(--blue)}
.nav-links a.active::before{background:var(--amber);box-shadow:0 0 8px rgba(245,158,11,.8)}
.nav-toggle{display:none;width:40px;height:40px;margin-left:auto;border:none;background:none;color:var(--navy);border:1px solid var(--line);border-radius:8px;align-items:center;justify-content:center}
.nav-toggle svg{width:20px;height:20px}
.mobile-menu{display:none;flex-direction:column;border-top:1px solid var(--line);background:#fff;padding:8px 0 10px}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:12px 26px;font-size:15px;color:var(--ink-2);border-bottom:1px dashed var(--line-2)}

/* ---------- Hero ---------- */
.hero{min-height:calc(100vh - 98px);display:flex;align-items:center;padding:54px 0 40px;text-align:center;position:relative;overflow:hidden}
.hero-coord{font-size:11px;letter-spacing:3px;color:var(--ink-3);margin-bottom:20px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:4px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);font-weight:600;box-shadow:0 6px 18px rgba(11,31,58,.06);letter-spacing:1px}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--green);position:relative}
.pulse-dot::after{content:"";position:absolute;inset:-4px;border-radius:50%;background:var(--green);opacity:.4;animation:pulse 1.6s ease-out infinite}
@keyframes pulse{0%{transform:scale(.6);opacity:.6}100%{transform:scale(1.8);opacity:0}}
.hero-title{font-size:clamp(34px,5.6vw,60px);font-weight:900;line-height:1.16;letter-spacing:-1px;margin:22px auto 16px;max-width:900px;color:var(--navy)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:clamp(15px,1.9vw,18px);color:var(--ink-2);max-width:640px;margin:0 auto 34px}

/* ---- 搜索框（仪表刻度边框） ---- */
.search-box{max-width:640px;margin:0 auto 6px;display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px 10px 10px 18px;box-shadow:var(--shadow);transition:box-shadow .3s,border-color .3s;position:relative;z-index:5}
.search-box::before{content:"";position:absolute;top:-9px;left:14px;right:14px;height:9px;border-radius:2px 2px 0 0;
  background:repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 9px),repeating-linear-gradient(90deg,var(--blue) 0 2px,transparent 2px 45px)}
.search-box:focus-within{border-color:var(--blue);box-shadow:0 24px 70px rgba(37,99,235,.16)}
.search-box:focus-within::before{background:repeating-linear-gradient(90deg,var(--blue) 0 1px,transparent 1px 9px),repeating-linear-gradient(90deg,var(--blue) 0 2px,transparent 2px 45px)}
.search-icon{width:22px;height:22px;color:var(--ink-3);flex-shrink:0}
#domainInput,#rechargeDomain{flex:1;border:none;outline:none;font-size:16px;color:var(--ink);background:transparent;min-width:0}
#domainInput::placeholder,#rechargeDomain::placeholder{color:#b6c2d4}
.icon-btn{width:42px;height:42px;flex-shrink:0;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--ink-3);display:inline-flex;align-items:center;justify-content:center;transition:.2s}
.icon-btn:hover{color:var(--blue);border-color:var(--blue);background:#eff6ff}
.icon-btn svg{width:19px;height:19px}
.icon-btn.sm{width:34px;height:34px;border-radius:9px}
.icon-btn.sm svg{width:16px;height:16px}
.norm-preview{min-height:22px;font-size:12.5px;letter-spacing:1.5px;color:var(--blue);opacity:0;transition:opacity .25s}
.norm-preview.on{opacity:1}
.quick-chips{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:6px}
.chip-label{font-size:11px;letter-spacing:2px;color:var(--ink-3);margin-right:4px}
.chip{padding:6px 14px;border:1px dashed var(--line);border-radius:6px;background:#fff;color:var(--ink-2);font-size:13px;font-family:var(--mono);transition:.2s}
.chip:hover{border-color:var(--blue);color:var(--blue);border-style:solid;background:#eff6ff}
.btn{display:inline-flex;align-items:center;gap:8px;border:none;border-radius:11px;font-size:15px;font-weight:700;padding:13px 24px;transition:transform .2s,box-shadow .2s,background .2s;color:#fff;position:relative;overflow:hidden}
.btn svg{width:18px;height:18px}
.btn::after{content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;transform:skewX(-20deg);background:linear-gradient(90deg,transparent,rgba(255,255,255,.25),transparent);transition:left .5s}
.btn:hover::after{left:130%}
.btn-primary{background:var(--grad-navy);box-shadow:0 10px 26px rgba(11,31,58,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(11,31,58,.42)}
.btn-pay{background:linear-gradient(135deg,var(--amber),var(--amber-deep));box-shadow:0 10px 26px rgba(245,158,11,.38)}
.btn-pay:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(245,158,11,.46)}
.btn-block{width:100%;justify-content:center;font-size:16px;padding:15px}
.hero-stats{display:flex;justify-content:center;gap:54px;flex-wrap:wrap;margin-top:44px}
.stat{text-align:center;position:relative;padding-top:14px}
.stat b{display:block;font-size:38px;font-weight:800;color:var(--navy);letter-spacing:1px;line-height:1.1}
.stat-label{font-size:11px;color:var(--ink-3);letter-spacing:2px;display:block;margin-top:6px}
.stat-tick{display:block;width:100%;height:6px;margin-top:10px;background:repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 7px)}
.scroll-hint{display:block;margin-top:52px;color:var(--ink-3);font-size:12px;letter-spacing:3px}
.scroll-hint span{display:block;width:22px;height:36px;margin:10px auto 0;border:2px solid var(--ink-3);border-radius:12px;position:relative}
.scroll-hint span::after{content:"";position:absolute;left:50%;top:7px;width:4px;height:7px;margin-left:-2px;border-radius:4px;background:var(--ink-3);animation:scrollDot 1.6s ease-in-out infinite}
@keyframes scrollDot{0%{opacity:1;transform:translateY(0)}100%{opacity:0;transform:translateY(13px)}}

/* ---- 雷达装饰（Hero 右上） ---- */
.radar{position:absolute;top:8%;right:-140px;width:420px;height:420px;pointer-events:none;opacity:.5;display:none}
.radar-ring{position:absolute;border:1px solid rgba(37,99,235,.28);border-radius:50%}
.radar-ring.r1{inset:0}
.radar-ring.r2{inset:15%}
.radar-ring.r3{inset:30%}
.radar-cross{position:absolute;inset:0}
.radar-cross::before,.radar-cross::after{content:"";position:absolute;background:rgba(37,99,235,.16)}
.radar-cross::before{left:0;right:0;top:50%;height:1px}
.radar-cross::after{top:0;bottom:0;left:50%;width:1px}
.radar-sweep{position:absolute;inset:0;border-radius:50%;overflow:hidden;
  background:conic-gradient(from 0deg,rgba(37,99,235,.35) 0deg,rgba(37,99,235,0) 70deg);
  animation:radarSpin 7s linear infinite}
@keyframes radarSpin{to{transform:rotate(360deg)}}
.radar-blip{position:absolute;width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 10px rgba(245,158,11,.9)}
.radar-blip.b1{top:22%;right:30%;animation:blip 3.2s ease-in-out infinite}
.radar-blip.b2{top:60%;left:26%;animation:blip 4s ease-in-out 1.2s infinite}
@keyframes blip{0%,100%{opacity:.25;transform:scale(.8)}50%{opacity:1;transform:scale(1.2)}}
@media (min-width:1080px){.radar{display:block}}

/* ---------- 通用区块 ---------- */
.section{padding:84px 0}
.section-head{text-align:center;margin-bottom:52px}
.section-code{display:inline-block;font-size:11px;letter-spacing:3px;color:var(--blue);margin-bottom:14px;padding:5px 12px;border:1px solid var(--line);border-radius:4px;background:#fff}
.section-head h2{font-size:clamp(28px,3.8vw,42px);font-weight:900;letter-spacing:-.5px;color:var(--navy)}
.section-head p{color:var(--ink-2);margin-top:10px;font-size:15px}
.glass{background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line)}

/* ---- 四角括号 ---- */
.corner{position:absolute;width:15px;height:15px;pointer-events:none;z-index:2}
.corner.tl{top:-1px;left:-1px;border-top:2px solid var(--blue);border-left:2px solid var(--blue)}
.corner.tr{top:-1px;right:-1px;border-top:2px solid var(--blue);border-right:2px solid var(--blue)}
.corner.bl{bottom:-1px;left:-1px;border-bottom:2px solid var(--blue);border-left:2px solid var(--blue)}
.corner.br{bottom:-1px;right:-1px;border-bottom:2px solid var(--blue);border-right:2px solid var(--blue)}

/* ---------- 状态卡片 ---------- */
.status-card{border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:0;overflow:hidden;position:relative}
.status-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:22px 26px 16px}
.status-domain{font-size:19px;font-weight:700;word-break:break-all;color:var(--navy)}
.status-badge-row{display:flex;align-items:center;gap:10px;padding:0 26px 18px}
.status-badge{padding:6px 14px;border-radius:5px;font-size:13px;font-weight:700;letter-spacing:1px}
.status-badge.ok{background:#ecfdf5;color:var(--green);border:1px solid #a7f3d0}
.status-badge.expired{background:#fef2f2;color:var(--red);border:1px solid #fecaca}
.status-badge.checking{background:#eff6ff;color:var(--blue);border:1px solid #bfdbfe}
.status-badge.unknown{background:var(--paper);color:var(--ink-3);border:1px solid var(--line)}
.status-badge.banned{background:#0f172a;color:#f87171;border:1px solid #1e293b}
.lamp{width:8px;height:8px;border-radius:50%;display:inline-block}
.status-badge.ok + .lamp{background:var(--green);box-shadow:0 0 0 4px rgba(5,150,105,.14);animation:lampPulse 2.4s infinite}
.status-badge.expired + .lamp{background:var(--red);box-shadow:0 0 0 4px rgba(220,38,38,.14);animation:lampPulse 1.2s infinite}
.status-badge.checking + .lamp{background:var(--blue);box-shadow:0 0 0 4px rgba(37,99,235,.14);animation:lampPulse 1s infinite}
.status-badge.unknown + .lamp{background:#cbd5e1;box-shadow:0 0 0 4px rgba(148,163,184,.12)}
.status-badge.banned + .lamp{background:#dc2626;box-shadow:0 0 0 4px rgba(220,38,38,.14);animation:lampPulse 1s infinite}
.status-body{display:flex;align-items:center;gap:36px;padding:6px 26px 28px}
.gauge{position:relative;width:150px;height:150px;flex-shrink:0}
.gauge-svg{width:100%;height:100%;transform:rotate(-90deg)}
.gauge-track{fill:none;stroke:var(--line-2);stroke-width:10}
.gauge-fill{fill:none;stroke:var(--green);stroke-width:10;stroke-linecap:round;stroke-dasharray:326.7;stroke-dashoffset:326.7;transition:stroke-dashoffset 1.2s cubic-bezier(.22,.61,.36,1),stroke .4s}
.gauge.ok .gauge-fill{stroke:var(--green)}
.gauge.warn .gauge-fill{stroke:var(--amber)}
.gauge.danger .gauge-fill{stroke:var(--red)}
.gauge.void .gauge-fill{stroke:#cbd5e1}
.gauge-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.gauge-center b{font-size:34px;font-weight:800;color:var(--navy);line-height:1}
.gauge-center span{font-size:11px;color:var(--ink-3);letter-spacing:1.5px;margin-top:4px}
.status-info{flex:1;min-width:0;text-align:center}
.status-meta{display:flex;justify-content:center;gap:38px;flex-wrap:wrap;margin-bottom:20px}
.status-meta div span{display:block;font-size:11px;color:var(--ink-3);letter-spacing:1.5px;margin-bottom:3px}
.status-meta div b{font-size:18px;color:var(--navy)}
.countdown{display:flex;align-items:center;justify-content:center;gap:8px}
.cd{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 6px;min-width:72px;box-shadow:inset 0 2px 6px rgba(11,31,58,.03);position:relative}
.cd::after{content:"";position:absolute;top:5px;left:8px;right:8px;height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 5px)}
.cd b{display:block;font-size:28px;font-weight:800;color:var(--navy)}
.cd span{font-size:11px;color:var(--ink-3);letter-spacing:2px}
.cd-sep{font-size:24px;font-weight:800;color:var(--ink-3);margin-top:10px}
.status-action{margin-top:24px}
.btn-danger{background:linear-gradient(135deg,var(--amber),var(--amber-deep));box-shadow:0 10px 26px rgba(245,158,11,.35)}
.btn-danger:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(245,158,11,.45)}
.btn-ghost{background:#fff;color:var(--blue);border:1.5px solid var(--blue)}
.btn-ghost:hover{background:#eff6ff;transform:translateY(-2px)}
.status-foot{display:flex;justify-content:space-between;gap:12px;padding:12px 26px;border-top:1px dashed var(--line);background:var(--paper);font-size:11px;letter-spacing:2px;color:var(--ink-3);flex-wrap:wrap}

/* ---------- 套餐 ---------- */
.pkg-hint{display:flex;justify-content:center;margin-bottom:26px;font-size:13px;letter-spacing:1px;color:var(--ink-2);background:#fff;border:1px dashed var(--line);border-radius:8px;padding:10px 18px;width:max-content;margin-left:auto;margin-right:auto}
.pkg-hint b{color:var(--blue)}
.pkg-domain-row{max-width:640px;margin:0 auto 28px}
.pkg-domain-label{display:block;text-align:center;font-size:11px;letter-spacing:2.5px;color:var(--ink-3);margin-bottom:14px}
.pkg-domain-box{margin-bottom:0 !important}
.pkg-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:26px}
.pkg-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px 28px;text-align:center;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden}
.pkg-card::before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 8px)}
.pkg-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:rgba(37,99,235,.35)}
.pkg-card:hover .corner{border-color:var(--amber)}
.pkg-card.hot{border:2px solid rgba(245,158,11,.55);box-shadow:0 18px 50px rgba(245,158,11,.12)}
.pkg-card.hot::before{background:repeating-linear-gradient(90deg,var(--amber) 0 1px,transparent 1px 8px)}
.pkg-plate{display:inline-block;font-size:10px;letter-spacing:2.5px;color:var(--blue);border:1px solid var(--line);border-radius:4px;padding:3px 10px;margin-bottom:14px;background:var(--paper)}
.pkg-card.hot .pkg-plate{color:var(--amber-deep);border-color:rgba(245,158,11,.5);background:#fffbeb}
.pkg-name{font-size:19px;font-weight:800;color:var(--navy)}
.pkg-days{font-size:13px;color:var(--ink-3);margin-top:5px;font-family:var(--mono);letter-spacing:1px}
.pkg-price{margin:18px 0 4px;position:relative}
.pkg-price .cur{font-size:20px;font-weight:800;color:var(--blue);vertical-align:top}
.pkg-price b{font-size:46px;font-weight:800;color:var(--navy);font-family:var(--mono)}
.pkg-price .unit{font-size:12px;color:var(--ink-3);font-family:var(--mono)}
.pkg-extra{font-size:12px;color:var(--ink-3);margin-bottom:22px}
.pkg-btn{width:100%}
.pkg-card .corner{opacity:.5;transition:opacity .2s}
.pkg-card:hover .corner{opacity:1}
.loading-card{grid-column:1/-1;display:flex;justify-content:center;padding:60px}
.lds-ring{display:inline-block;width:52px;height:52px;position:relative}
.lds-ring div{position:absolute;width:40px;height:40px;border:3px solid var(--blue);border-color:var(--blue) transparent transparent transparent;border-radius:50%;animation:lds 1.2s linear infinite}
.lds-ring div:nth-child(2){animation-delay:-.3s}.lds-ring div:nth-child(3){animation-delay:-.6s}.lds-ring div:nth-child(4){animation-delay:-.9s}
@keyframes lds{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}

/* ---------- 飞行计划（三步） ---------- */
.plan{position:relative;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:26px}
.plan-line{position:absolute;top:30px;left:12%;right:12%;height:1px;background:repeating-linear-gradient(90deg,var(--blue) 0 8px,transparent 8px 18px);opacity:0;transform:scaleX(0);transform-origin:left;transition:transform 1.2s cubic-bezier(.22,.61,.36,1),opacity .4s;pointer-events:none}
.plan-line.on{opacity:1;transform:scaleX(1)}
.step-card{border-radius:var(--radius);box-shadow:var(--shadow);padding:36px 26px 30px;text-align:center;position:relative;overflow:hidden;background:#fff}
.step-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.wp-dot{position:absolute;top:18px;left:50%;transform:translateX(-50%);width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#fff;background:var(--grad-navy);box-shadow:0 8px 18px rgba(11,31,58,.3);z-index:2;transition:transform .3s}
.step-card.reveal.in .wp-dot{animation:wpPop .5s cubic-bezier(.68,-.55,.27,1.55)}
@keyframes wpPop{from{transform:translateX(-50%) scale(.4)}to{transform:translateX(-50%) scale(1)}}
.step-card:hover .wp-dot{transform:translateX(-50%) scale(1.12)}
.step-card::after{content:"";position:absolute;bottom:0;left:0;right:0;height:4px;background:repeating-linear-gradient(90deg,var(--blue) 0 2px,transparent 2px 10px);opacity:0;transition:opacity .3s}
.step-card:hover::after{opacity:1}
.step-icon{width:60px;height:60px;margin:46px auto 18px;border-radius:16px;display:flex;align-items:center;justify-content:center;color:#fff;background:var(--grad-navy);box-shadow:0 12px 28px rgba(11,31,58,.3)}
.step-icon svg{width:26px;height:26px}
.step-card h3{font-size:18px;margin-bottom:8px;color:var(--navy)}
.step-card p{font-size:13.5px;color:var(--ink-2)}
.step-coord{display:inline-block;margin-top:16px;font-size:10px;letter-spacing:2px;color:var(--ink-3);border-top:1px dashed var(--line);padding-top:10px}

/* ---------- 联系我们 ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.contact-card{border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;display:flex;align-items:center;gap:16px;transition:transform .25s,box-shadow .25s;position:relative;background:#fff;cursor:pointer}
.contact-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.contact-card:hover .contact-copy{opacity:1;transform:translateY(0)}
.contact-icon{width:48px;height:48px;border-radius:13px;display:flex;align-items:center;justify-content:center;color:var(--blue);background:#eff6ff;flex-shrink:0;border:1px solid #dbeafe}
.contact-icon svg{width:22px;height:22px}
.contact-info span{display:block;font-size:11px;color:var(--ink-3);letter-spacing:1.5px;margin-bottom:2px}
.contact-info b{font-size:15.5px;word-break:break-all;color:var(--navy)}
.contact-copy{position:absolute;top:10px;right:12px;font-size:10px;letter-spacing:1.5px;color:var(--blue);opacity:0;transform:translateY(4px);transition:.25s}
.contact-card.copied{border-color:var(--green);box-shadow:0 18px 50px rgba(5,150,105,.14)}

/* ---------- 页脚 ---------- */
.footer{margin-top:auto;border-top:1px solid var(--line);padding:42px 0;text-align:center;background:var(--paper);position:relative;overflow:hidden}
.footer-route{position:absolute;top:0;left:50%;transform:translateX(-50%);width:2px;height:42px;background:repeating-linear-gradient(180deg,var(--blue) 0 6px,transparent 6px 14px);opacity:.4}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;margin-bottom:10px;color:var(--navy)}
.footer-brand .mono{font-size:10px;color:var(--ink-3);letter-spacing:2px;font-weight:400;border:1px solid var(--line);padding:2px 7px;border-radius:4px}
.footer p{font-size:12.5px;color:var(--ink-3)}

/* ---------- 弹窗 ---------- */
.modal-mask{position:fixed;inset:0;z-index:200;background:rgba(11,31,58,.5);backdrop-filter:blur(6px);display:none;align-items:center;justify-content:center;padding:20px;animation:fadeIn .25s}
.modal-mask.show{display:flex}
.modal{width:min(92vw,440px);background:#fff;border-radius:var(--radius);padding:34px 30px 26px;position:relative;animation:modalIn .4s cubic-bezier(.68,-.55,.27,1.55);border:1px solid var(--line)}
.modal::before{content:"";position:absolute;top:-1px;left:24px;right:24px;height:8px;border-radius:0 0 3px 3px;
  background:repeating-linear-gradient(90deg,var(--blue) 0 1px,transparent 1px 9px)}
.modal-close{position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:50%;border:none;background:var(--paper);color:var(--ink-2);display:flex;align-items:center;justify-content:center;transition:.2s}
.modal-close:hover{background:#e2e8f0;color:var(--ink)}
.modal-close svg{width:17px;height:17px}
.modal-kicker{font-size:10px;letter-spacing:2.5px;color:var(--blue);margin-bottom:8px}
.modal-title{font-size:21px;font-weight:800;margin-bottom:18px;color:var(--navy)}
.order-line{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.order-line span{color:var(--ink-3)}
.order-line b{font-weight:700;color:var(--navy)}
.order-line b.price{font-size:22px;color:var(--amber-deep);font-weight:800}
.qty-stepper{display:inline-flex;align-items:center;gap:12px}
.qty-btn{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;transition:.15s;flex-shrink:0}
.qty-btn svg{width:15px;height:15px}
.qty-btn:hover{border-color:var(--blue);color:var(--blue);background:#eff6ff}
.qty-btn:disabled{opacity:.4;cursor:not-allowed;border-color:var(--line)}
.qty-btn:disabled:hover{background:#fff;color:var(--ink)}
.qty-stepper b{min-width:28px;text-align:center;font-size:17px;font-weight:800;color:var(--navy)}
.pay-methods{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0 18px}
.pm input{display:none}
.pm span{display:flex;align-items:center;justify-content:center;gap:8px;padding:13px 8px;border:1.5px solid var(--line);border-radius:10px;font-size:13.5px;font-weight:600;color:var(--ink-2);transition:.2s;cursor:pointer;background:#fff}
.pm svg{width:17px;height:17px}
.pm input:checked + span{border-color:var(--blue);color:var(--blue);background:#eff6ff;box-shadow:0 8px 20px rgba(37,99,235,.15)}
.modal-tip{text-align:center;font-size:11px;color:var(--ink-3);margin-top:14px;letter-spacing:1px}

/* ---------- 提示 toast ---------- */
.toast{position:fixed;top:40px;left:50%;transform:translateX(-50%) translateY(-90px);z-index:300;background:var(--navy);color:#fff;padding:13px 26px;border-radius:8px;font-size:14px;font-weight:600;box-shadow:0 16px 40px rgba(11,31,58,.35);transition:transform .35s cubic-bezier(.68,-.55,.27,1.55);border:1px solid rgba(255,255,255,.15)}
.toast::before{content:"▲";display:inline-block;margin-right:9px;font-size:10px;color:var(--amber)}
.toast.show{transform:translateX(-50%) translateY(0)}
.toast.error{background:linear-gradient(135deg,#ef4444,#b91c1c)}
.toast.error::before{content:"!";color:#fff}

/* ---------- 滚动渐入 ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
.reveal.in:nth-child(2){transition-delay:.1s}
.reveal.in:nth-child(3){transition-delay:.2s}

@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes modalIn{from{opacity:0;transform:translateY(40px) scale(.94)}to{opacity:1;transform:none}}

/* ---------- 响应式 ---------- */
@media (max-width:768px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .hero{padding-top:40px;min-height:auto}
  .hero-stats{gap:30px}
  .countdown{gap:5px}
  .cd{min-width:60px;padding:10px 4px}
  .cd b{font-size:22px}
  .section{padding:58px 0}
  .status-meta{gap:18px}
  .status-body{flex-direction:column;gap:24px}
  .plan{grid-template-columns:1fr}
  .plan-line{display:none}
  .search-box{padding-left:14px}
  .pkg-hint{max-width:100%;padding:10px 12px}
  .step-card{padding:32px 20px 26px}
  .contact-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
  .contact-card{padding:18px}
  .gauge{width:132px;height:132px}
  .status-domain{font-size:17px}
}

@media (max-width:520px){
  .container{padding:0 16px}
  .sysstrip-inner{gap:16px;height:28px;font-size:10px}
  .hide-sm{display:none}
  .nav-inner{gap:14px;height:60px}
  .brand{font-size:16px}
  .brand-logo{width:34px;height:34px}
  .brand-tag{display:none}
  .hero{padding:32px 0 26px}
  .hero-badge{font-size:12px;padding:6px 12px}
  .hero-sub{font-size:14px;margin-bottom:26px}
  .search-box{gap:8px;padding:8px 8px 8px 14px;border-radius:14px}
  .search-box .btn{font-size:14px;padding:11px 13px}
  .icon-btn{width:38px;height:38px}
  .hero-stats{gap:20px;margin-top:32px}
  .stat b{font-size:30px}
  .stat-tick{margin-top:7px}
  .scroll-hint{margin-top:40px}
  .cd{min-width:52px;padding:9px 3px}
  .cd b{font-size:20px}
  .cd-sep{font-size:18px;margin-top:8px}
  .status-head,.status-badge-row,.status-body,.status-foot{padding-left:16px;padding-right:16px}
  .status-head{padding-top:18px}
  .status-meta{gap:14px}
  .status-meta div b{font-size:15px}
  .section{padding:44px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:26px}
  .pkg-card{padding:26px 16px 22px}
  .pkg-price b{font-size:38px}
  .pkg-domain-row{margin-bottom:22px}
  .contact-card{gap:12px;padding:16px}
  .contact-icon{width:42px;height:42px}
  .modal{padding:28px 18px 20px}
  .pay-methods{gap:8px}
  .pm span{padding:12px 6px;font-size:12.5px}
  .btn-block{font-size:15px;padding:14px}
  .mobile-menu a{padding:13px 22px}
  .footer{padding:34px 0}
}

@media (max-width:400px){
  #pasteBtn{display:none}
  .search-box .btn{padding:10px 12px;font-size:13px}
}