/* ============ 基础 ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg0:#04060f;--bg1:#070b1a;--bg2:#0b1226;--bg3:#0e1730;
  --line:rgba(148,163,184,.14);--line2:rgba(148,163,184,.28);
  --txt:#e7edff;--muted:#9aa8c9;--dim:#6b7aa3;
  --c1:#38bdf8;--c2:#6366f1;--c3:#a855f7;--cy:#22d3ee;
  --grad:linear-gradient(92deg,#38bdf8,#818cf8 48%,#c084fc);
  --grad-soft:linear-gradient(92deg,rgba(56,189,248,.16),rgba(129,140,248,.16) 50%,rgba(192,132,252,.16));
  --grad-border:linear-gradient(120deg,rgba(56,189,248,.55),rgba(99,102,241,.35) 40%,rgba(192,132,252,.55));
  --glow:0 10px 40px -12px rgba(99,102,241,.55);
  --radius:20px;
  --shadow:0 24px 60px -24px rgba(2,6,23,.85);
  --font:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Segoe UI",system-ui,sans-serif;
  --head-font:"Microsoft YaHei","PingFang SC",sans-serif;
}
html{scroll-behavior:smooth;scroll-padding-top:86px;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg0);color:var(--txt);line-height:1.75;font-size:16px;overflow-x:hidden;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;z-index:-2;background:
  radial-gradient(900px 500px at 85% -5%,rgba(99,102,241,.16),transparent 60%),
  radial-gradient(800px 520px at -10% 20%,rgba(56,189,248,.13),transparent 55%),
  radial-gradient(900px 600px at 50% 115%,rgba(168,85,247,.12),transparent 60%),
  var(--bg0)}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
b,strong{color:#fff;font-weight:700}
em{font-style:normal}
::selection{background:rgba(99,102,241,.55);color:#fff}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:#060a17}
::-webkit-scrollbar-thumb{background:linear-gradient(#33406b,#1c2650);border-radius:8px;border:2px solid #060a17}
::-webkit-scrollbar-thumb:hover{background:#44528a}
.svg-sprite{position:absolute;width:0;height:0;overflow:hidden}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.ico{width:1.15em;height:1.15em;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:none;vertical-align:-.16em}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lg-only{display:inline}

/* 文本工具 */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .8s cubic-bezier(.16,1,.3,1);transition-delay:var(--d,0ms);will-change:opacity,transform}
.js .reveal.in{opacity:1;transform:none}

/* ============ 顶部进度条 ============ */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:100%;z-index:1001;background:transparent;pointer-events:none}
.scroll-progress i{display:block;height:100%;width:0;background:var(--grad);box-shadow:0 0 12px rgba(99,102,241,.9)}

/* ============ 导航 ============ */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;height:76px;transition:background .35s,box-shadow .35s,border-color .35s;border-bottom:1px solid transparent}
.navbar.scrolled{background:rgba(5,8,20,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line);box-shadow:0 10px 30px -18px rgba(0,0,0,.8)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:76px}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand-mark{width:42px;height:42px;filter:drop-shadow(0 4px 14px rgba(99,102,241,.55));animation:markFloat 5s ease-in-out infinite}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:20px;font-weight:800;letter-spacing:1px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
.brand-en{font-size:9px;letter-spacing:2.4px;color:var(--dim);white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:26px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;padding:8px 13px;color:var(--muted);font-size:15px;transition:color .25s}
.nav-link::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.nav-link:hover{color:#fff}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{transform:scaleX(1)}
.btn-nav-cta{padding:10px 20px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line2);border-radius:12px;background:rgba(255,255,255,.04)}
.nav-toggle span{display:block;width:20px;height:2px;background:#cfe0ff;border-radius:2px;transition:transform .3s,opacity .3s}
.nav-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 26px;border-radius:13px;font-size:16px;font-weight:700;line-height:1.2;white-space:nowrap;overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .25s,background .25s,color .25s}
.btn-primary{color:#fff;background:linear-gradient(115deg,#1d4ed8,#6d28d9 55%,#9333ea);background-size:170% 170%;box-shadow:0 12px 30px -12px rgba(109,40,217,.75);border:1px solid rgba(167,139,250,.45)}
.btn-primary:hover{background-position:90% 50%;transform:translateY(-2px);box-shadow:0 16px 36px -12px rgba(109,40,217,.9)}
.btn-ghost{color:#dbe6ff;background:rgba(255,255,255,.045);border:1px solid var(--line2);backdrop-filter:blur(6px)}
.btn-ghost:hover{border-color:rgba(125,211,252,.6);background:rgba(56,189,248,.1);transform:translateY(-2px);box-shadow:0 12px 26px -16px rgba(56,189,248,.5)}
.btn-block{width:100%}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:11px}
.btn-xl{padding:17px 36px;font-size:18px;border-radius:16px}
.btn .ico{transition:transform .3s}
.btn:hover .ico{transform:translateX(3px)}
.btn-shine{position:absolute;top:0;bottom:0;left:-80%;width:45%;transform:skewX(-22deg);background:linear-gradient(90deg,transparent,rgba(255,255,255,.32),transparent);transition:left .6s ease;pointer-events:none}
.btn:hover .btn-shine{left:130%}

/* ============ Hero ============ */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;padding:130px 0 90px}
#particleCanvas{position:absolute;inset:0;width:100%;height:100%;opacity:.85}
.hero-grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(99,102,241,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(99,102,241,.07) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 75% 60% at 50% 40%,#000 10%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse 75% 60% at 50% 40%,#000 10%,transparent 70%)}
.orb{position:absolute;border-radius:50%;filter:blur(70px);pointer-events:none;animation:orbFloat 12s ease-in-out infinite;will-change:transform}
.orb-1{width:520px;height:520px;top:-160px;left:-120px;background:radial-gradient(circle,rgba(56,189,248,.22),transparent 65%)}
.orb-2{width:460px;height:460px;top:8%;right:-140px;background:radial-gradient(circle,rgba(168,85,247,.2),transparent 65%);animation-delay:-4s}
.orb-3{width:520px;height:520px;bottom:-200px;left:32%;background:radial-gradient(circle,rgba(34,211,238,.14),transparent 65%);animation-delay:-8s}
@keyframes orbFloat{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(26px,-30px) scale(1.06)}}
.hero-content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:9px;padding:8px 18px;border-radius:999px;font-size:14px;letter-spacing:1px;color:#cfe4ff;background:rgba(255,255,255,.05);border:1px solid rgba(125,211,252,.35);box-shadow:0 0 22px -8px rgba(56,189,248,.6),inset 0 0 18px rgba(56,189,248,.08);margin-bottom:24px;backdrop-filter:blur(6px)}
.badge-pulse{width:8px;height:8px;border-radius:50%;background:#4ade80;box-shadow:0 0 0 0 rgba(74,222,128,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(74,222,128,0)}100%{box-shadow:0 0 0 0 rgba(74,222,128,0)}}
.hero-title{font-family:var(--head-font);font-size:clamp(44px,7.4vw,86px);font-weight:900;letter-spacing:4px;line-height:1.15;text-shadow:0 8px 40px rgba(2,6,23,.6)}
.hero-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 4px 26px rgba(129,140,248,.45))}
.hero-typing{display:flex;align-items:center;gap:2px;margin:18px 0 14px;min-height:40px;font-size:clamp(19px,2.6vw,27px);font-weight:700;color:var(--cy);letter-spacing:1px}
.typing-caret{width:3px;height:1.25em;border-radius:2px;background:linear-gradient(#22d3ee,#818cf8);animation:blink .9s steps(1) infinite;box-shadow:0 0 10px rgba(34,211,238,.9)}
@keyframes blink{50%{opacity:0}}
.hero-desc{max-width:680px;color:var(--muted);font-size:clamp(15px,1.6vw,17.5px);margin-bottom:32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-bottom:34px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:center}
.hero-trust li{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:14px;letter-spacing:.4px}
.dot{width:6px;height:6px;border-radius:50%;background:linear-gradient(#22d3ee,#a855f7);box-shadow:0 0 8px rgba(34,211,238,.8)}
.hero-scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--dim);font-size:13px;letter-spacing:3px;transition:color .3s;z-index:3}
.hero-scroll .ico{width:20px;height:20px;animation:chevDown 1.8s ease-in-out infinite}
@keyframes chevDown{0%,100%{transform:translateY(0);opacity:.9}50%{transform:translateY(7px);opacity:.4}}
.hero-scroll:hover{color:#fff}

/* ============ 数据条 ============ */
.stats{position:relative;z-index:5;padding:0 0 20px;margin-top:-44px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;overflow:hidden;border-radius:22px;background:linear-gradient(120deg,rgba(125,211,252,.25),rgba(168,85,247,.22));border:1px solid rgba(125,211,252,.2);box-shadow:var(--shadow);backdrop-filter:blur(10px)}
.stat-card{background:linear-gradient(180deg,rgba(16,24,48,.96),rgba(10,15,34,.97));padding:26px 18px;text-align:center;position:relative;overflow:hidden}
.stat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(125,211,252,.7),transparent);opacity:.7}
.stat-card::after{content:"";position:absolute;inset:0;background:radial-gradient(120px 80px at 50% -10%,rgba(99,102,241,.22),transparent);pointer-events:none}
.stat-num{font-family:var(--head-font);font-size:clamp(34px,4.6vw,54px);font-weight:900;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:flex;justify-content:center;align-items:baseline;gap:2px;margin-bottom:6px}
.stat-plus{color:#22d3ee;-webkit-text-fill-color:#22d3ee;font-size:.55em;background:none;-webkit-background-clip:initial;background-clip:initial}
.stat-label{color:var(--muted);font-size:14px;letter-spacing:.5px}

/* ============ 通用区块 ============ */
.section{position:relative;padding:96px 0}
.section-head{text-align:center;max-width:820px;margin:0 auto 56px}
.section-eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:4px;color:var(--cy);text-transform:uppercase;padding:7px 16px;border:1px solid rgba(34,211,238,.35);border-radius:999px;background:rgba(34,211,238,.06);margin-bottom:18px}
.section-head h2{font-family:var(--head-font);font-size:clamp(27px,3.8vw,44px);font-weight:900;line-height:1.35;letter-spacing:1px}
.section-lead{margin-top:16px;color:var(--muted);font-size:clamp(15px,1.7vw,17px)}

/* ============ 关于我们 ============ */
.about{background:linear-gradient(180deg,transparent,rgba(11,18,38,.5) 12%,rgba(11,18,38,.5) 88%,transparent)}
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.about-card{position:relative;border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px 30px;background:linear-gradient(180deg,rgba(20,29,56,.6),rgba(10,15,32,.72));backdrop-filter:blur(8px);overflow:hidden;transition:transform .4s,border-color .4s,box-shadow .4s}
.about-card::before{content:"";position:absolute;inset:0 0 auto;height:2px;background:var(--grad-border);opacity:0;transition:opacity .4s}
.about-card::after{content:"";position:absolute;top:-60px;right:-60px;width:170px;height:170px;border-radius:50%;background:radial-gradient(circle,rgba(99,102,241,.22),transparent 70%);opacity:0;transition:opacity .5s}
.about-card:hover{transform:translateY(-8px);border-color:rgba(125,211,252,.4);box-shadow:0 24px 50px -22px rgba(99,102,241,.5)}
.about-card:hover::before,.about-card:hover::after{opacity:1}
.card-icon{display:inline-flex;width:58px;height:58px;align-items:center;justify-content:center;border-radius:16px;background:var(--grad-soft);border:1px solid rgba(125,211,252,.35);color:#7dd3fc;margin-bottom:18px}
.card-icon .ico{width:28px;height:28px}
.card-no{position:absolute;top:24px;right:24px;font-size:44px;font-weight:900;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(148,163,184,.28);transition:all .4s}
.about-card:hover .card-no{-webkit-text-stroke:1px rgba(125,211,252,.75)}
.about-card h3{font-size:20px;font-weight:800;margin-bottom:13px;letter-spacing:.5px}
.about-card p{color:var(--muted);font-size:14.5px;text-align:justify;margin-bottom:10px}
.about-card p:last-child{margin-bottom:0}
.about-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:38px}
.about-tag{padding:9px 20px;border-radius:999px;font-size:14px;color:#c9d9ff;background:rgba(255,255,255,.045);border:1px solid var(--line2);transition:all .3s}
.about-tag:hover{transform:translateY(-3px);color:#fff;border-color:rgba(125,211,252,.6);background:rgba(56,189,248,.1);box-shadow:0 10px 22px -12px rgba(56,189,248,.6)}

/* ============ 合作方案 ============ */
.pricing{background:radial-gradient(900px 480px at 50% 0%,rgba(99,102,241,.14),transparent 65%),linear-gradient(180deg,rgba(8,12,26,.4),rgba(8,12,26,.55))}
.pricing-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;max-width:1060px;margin:0 auto}
.plan-card{position:relative;display:flex;flex-direction:column;border-radius:24px;overflow:hidden;background:linear-gradient(180deg,rgba(19,28,54,.9),rgba(9,13,28,.95));border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .4s,box-shadow .4s,border-color .4s}
.plan-card:hover{transform:translateY(-8px);box-shadow:0 34px 70px -26px rgba(99,102,241,.55)}
.plan-featured{background:linear-gradient(180deg,rgba(27,33,74,.95),rgba(13,16,40,.98))}
.plan-featured::before{content:"";position:absolute;inset:-1px;border-radius:24px;padding:1px;background:var(--grad-border);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;pointer-events:none}
.plan-ribbon{position:absolute;top:22px;right:-42px;transform:rotate(38deg);z-index:3;background:var(--grad);color:#fff;font-size:12px;font-weight:800;letter-spacing:1px;padding:7px 48px;box-shadow:0 6px 18px -6px rgba(168,85,247,.8)}
.plan-top{padding:36px 32px 30px;text-align:center;background:radial-gradient(240px 150px at 50% -30px,rgba(99,102,241,.3),transparent 70%);position:relative}
.plan-role{display:block;font-size:27px;font-weight:900;letter-spacing:2px}
.plan-sub{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);letter-spacing:1px}
.plan-price{display:flex;align-items:baseline;justify-content:center;gap:4px;margin:20px 0 22px}
.price-cur{font-size:22px;font-weight:800;color:#7dd3fc}
.price-num{font-family:var(--head-font);font-size:clamp(46px,5vw,62px);font-weight:900;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:1px}
.plan-featured .price-num{filter:drop-shadow(0 6px 22px rgba(168,85,247,.5))}
.price-unit{font-size:14px;color:var(--muted);margin-left:6px;white-space:nowrap}
.plan-body{padding:6px 32px 34px;flex:1}
.plan-body h4{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:800;letter-spacing:2px;color:#cfe2ff;margin:16px 0 12px}
.plan-body h4:first-child{margin-top:0}
.list-mark{display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;padding:2px 10px;border-radius:999px;background:var(--grad);color:#fff;letter-spacing:1px}
.list-mark.gift{background:linear-gradient(115deg,#059669,#0ea5e9)}
.plan-list{display:flex;flex-direction:column;gap:10px}
.plan-list li{position:relative;padding-left:31px;font-size:15px;color:#c4d2f2;line-height:1.75}
.plan-list li .ico{position:absolute;left:2px;top:6px;width:17px;height:17px}.plan-list li .ico.i-ok{color:#4ade80}
.gift-list li{color:#d7e7ff}
.plan-list li .ico.i-gift{color:#34d399}
.price-tag{display:inline-block;margin-left:8px;font-size:12px;font-weight:700;color:#fbbf24;border:1px solid rgba(251,191,36,.4);background:rgba(251,191,36,.08);padding:1px 9px;border-radius:999px;white-space:nowrap;vertical-align:2px}
.pricing-note{display:flex;align-items:center;gap:16px;max-width:980px;margin:36px auto 0;padding:20px 26px;border-radius:18px;border:1px dashed rgba(125,211,252,.35);background:rgba(56,189,248,.06);color:var(--muted);font-size:15px;flex-wrap:wrap;justify-content:center;text-align:left}
.pricing-note .ico{width:34px;height:34px;color:#22d3ee;flex:none}
.pricing-note p{flex:1;min-width:230px}
.pricing-note strong{color:#7dd3fc}

/* ============ 产品套餐 ============ */
.packages{background:linear-gradient(180deg,transparent,rgba(11,18,38,.55) 10%,rgba(11,18,38,.55) 90%,transparent)}
.mode-block{margin-bottom:34px}
.mode-block:last-of-type{margin-bottom:0}
.mode-head{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 26px;border:1px solid var(--line);border-left:3px solid;border-image:linear-gradient(#38bdf8,#a855f7) 1;border-radius:18px;background:rgba(15,22,46,.72);margin-bottom:20px;flex-wrap:wrap}
.mode-title{display:flex;gap:18px;align-items:flex-start;max-width:760px}
.mode-icon{flex:none;width:52px;height:52px;display:flex;align-items:center;justify-content:center;border-radius:14px;background:var(--grad-soft);border:1px solid rgba(125,211,252,.3);color:#7dd3fc}
.mode-icon .ico{width:26px;height:26px}
.mode-title h3{font-size:22px;font-weight:900;letter-spacing:1px;margin-bottom:6px}
.mode-title p{color:var(--muted);font-size:14px;line-height:1.8;text-align:justify}
.mode-badge{flex:none;font-size:13px;font-weight:700;color:#a5f3fc;padding:8px 16px;border-radius:999px;border:1px solid rgba(34,211,238,.4);background:rgba(34,211,238,.08);white-space:nowrap}
.mode-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.pkg-card{position:relative;border-radius:18px;padding:26px 26px 24px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(19,27,52,.82),rgba(9,13,28,.9));transition:transform .35s,border-color .35s,box-shadow .35s;transform-style:preserve-3d}
.pkg-card:hover{border-color:rgba(125,211,252,.5);box-shadow:0 20px 44px -20px rgba(99,102,241,.6)}
.pkg-card.pkg-hot{background:linear-gradient(180deg,rgba(30,27,75,.9),rgba(12,13,38,.95))}
.pkg-flag{position:absolute;top:-11px;right:22px;font-size:12px;font-weight:800;letter-spacing:1px;color:#fff;background:var(--grad);padding:4px 14px;border-radius:999px;box-shadow:0 6px 16px -6px rgba(168,85,247,.9)}
.pkg-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px;flex-wrap:wrap}
.pkg-head h4{font-size:20px;font-weight:900;letter-spacing:1px}
.pkg-tag{font-size:12.5px;color:#a5f3fc;border:1px solid rgba(34,211,238,.35);background:rgba(34,211,238,.07);padding:4px 12px;border-radius:999px;white-space:nowrap}
.pkg-list{display:flex;flex-direction:column;gap:13px}
.pkg-list li{display:flex;gap:14px;align-items:flex-start}
.pkg-key{flex:none;min-width:76px;font-size:13px;font-weight:700;color:#7dd3fc;letter-spacing:1px;margin-top:2px}
.pkg-key::after{content:"";display:block;height:2px;width:24px;border-radius:2px;margin-top:5px;background:var(--grad);opacity:.6}
.pkg-list p{color:#c6d4f2;font-size:15px;line-height:1.7}
.pkg-help{display:flex;align-items:center;justify-content:center;gap:10px;text-align:center;margin-top:22px;color:var(--muted);font-size:15px;flex-wrap:wrap}
.pkg-help .ico{width:22px;height:22px;color:#22d3ee}
.pkg-help a{color:#7dd3fc;font-weight:700;border-bottom:1px dashed rgba(125,211,252,.6);transition:color .3s}
.pkg-help a:hover{color:#fff}

/* ============ 品牌优势 ============ */
.adv-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.adv-card{grid-column:span 2;position:relative;padding:32px 26px 28px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(180deg,rgba(19,28,54,.65),rgba(10,15,32,.8));overflow:hidden;text-align:center;transition:transform .4s,border-color .4s,box-shadow .4s}
.adv-card::after{content:"";position:absolute;inset:0;background:radial-gradient(200px 110px at 50% -10%,rgba(99,102,241,.22),transparent);opacity:0;transition:opacity .5s;pointer-events:none}
.adv-card:hover{transform:translateY(-7px);border-color:rgba(125,211,252,.45);box-shadow:0 22px 46px -20px rgba(99,102,241,.55)}
.adv-card:hover::after{opacity:1}
.adv-card:nth-child(4),.adv-card:nth-child(5){grid-column:span 3}
.adv-icon{width:62px;height:62px;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;border-radius:18px;background:var(--grad-soft);border:1px solid rgba(125,211,252,.35);color:#7dd3fc;position:relative;z-index:1}
.adv-icon .ico{width:30px;height:30px}
.adv-card h3{font-size:19px;font-weight:800;letter-spacing:1px;margin-bottom:10px;position:relative;z-index:1}
.adv-card p{color:var(--muted);font-size:14.5px;position:relative;z-index:1}

/* ============ CTA 条 ============ */
.cta-band{position:relative;padding:74px 0;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(37,99,235,.32),rgba(124,58,237,.34) 50%,rgba(192,132,252,.28)),radial-gradient(600px 300px at 20% 0%,rgba(56,189,248,.25),transparent);border-top:1px solid rgba(125,211,252,.2);border-bottom:1px solid rgba(125,211,252,.2)}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-text h2{font-size:clamp(23px,3.4vw,36px);font-weight:900;line-height:1.5;letter-spacing:1px}
.cta-text p{margin-top:8px;color:#cbd8f7;font-size:16px}

/* ============ 联系我们 ============ */
.contact{background:radial-gradient(800px 500px at 50% 110%,rgba(99,102,241,.16),transparent 60%),linear-gradient(180deg,rgba(8,12,26,.5),rgba(8,12,26,.6))}
.contact-panel{display:grid;grid-template-columns:1.15fr 1fr;gap:0;max-width:1040px;margin:0 auto;border-radius:26px;overflow:hidden;border:1px solid var(--line);background:linear-gradient(135deg,rgba(17,25,50,.94),rgba(10,14,30,.96));box-shadow:var(--shadow)}
.contact-main{position:relative;padding:52px 46px;background:radial-gradient(420px 260px at 20% 0%,rgba(34,211,238,.12),transparent 60%),radial-gradient(420px 300px at 110% 100%,rgba(168,85,247,.14),transparent 60%);text-align:center}
.contact-wechat-badge{display:inline-flex;align-items:center;gap:10px;padding:8px 20px;border-radius:999px;background:rgba(74,222,128,.1);border:1px solid rgba(74,222,128,.4);color:#86efac;font-weight:700;font-size:14px;margin-bottom:26px;box-shadow:0 0 24px -8px rgba(74,222,128,.5)}
.contact-wechat-badge .ico{width:20px;height:20px}
.contact-label{font-size:15px;color:var(--muted);letter-spacing:2px}
.contact-number{font-family:var(--head-font);font-size:clamp(38px,6vw,58px);font-weight:900;letter-spacing:3px;margin:8px 0 26px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 0 40px rgba(99,102,241,.3)}
.contact-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:20px}
.contact-tip{font-size:13.5px;color:var(--dim)}
.contact-steps{display:flex;flex-direction:column;gap:8px;padding:52px 46px;background:rgba(255,255,255,.02);border-left:1px solid var(--line);justify-content:center}
.contact-steps li{display:flex;gap:16px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed rgba(148,163,184,.14)}
.contact-steps li:last-child{border-bottom:0}
.step-num{flex:none;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-weight:900;color:#fff;background:var(--grad);box-shadow:0 8px 18px -8px rgba(109,40,217,.9);font-size:15px}
.contact-steps b{display:block;font-size:16px;letter-spacing:.5px;margin-bottom:2px}
.contact-steps p{color:var(--muted);font-size:14px}

/* ============ 页脚 ============ */
.footer{border-top:1px solid var(--line);background:linear-gradient(180deg,#070b1a,#05070f);padding-top:44px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;padding-bottom:30px}
.footer-logo{font-size:21px;font-weight:900;letter-spacing:2px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.footer-slogan{margin-top:6px;font-size:13px;color:var(--dim)}
.footer-links{display:flex;gap:6px;flex-wrap:wrap}
.footer-links a{font-size:14px;color:var(--muted);padding:6px 12px;border-radius:8px;transition:color .3s,background .3s}
.footer-links a:hover{color:#fff;background:rgba(255,255,255,.06)}
.footer-contact{font-size:15px;color:var(--muted)}
.footer-contact b{font-size:17px;letter-spacing:1px}
.footer-bar{border-top:1px solid rgba(148,163,184,.1);padding:18px 0;text-align:center}
.footer-bar p{font-size:13px;color:var(--dim)}

/* ============ 返回顶部 / Toast ============ */
.back-top{position:fixed;right:26px;bottom:28px;z-index:900;width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;background:linear-gradient(135deg,#2563eb,#7c3aed);border:1px solid rgba(167,139,250,.5);box-shadow:0 14px 30px -10px rgba(109,40,217,.8);opacity:0;visibility:hidden;transform:translateY(16px);transition:all .35s}
.back-top.show{opacity:1;visibility:visible;transform:none}
.back-top:hover{transform:translateY(-4px);box-shadow:0 18px 36px -10px rgba(109,40,217,.95)}
.back-top .ico{width:20px;height:20px;transform:rotate(180deg)}
.toast{position:fixed;left:50%;bottom:42px;transform:translate(-50%,20px);z-index:1200;padding:13px 26px;border-radius:14px;background:linear-gradient(135deg,rgba(6,14,26,.96),rgba(13,18,40,.96));border:1px solid rgba(74,222,128,.5);color:#bff7d2;font-size:15px;font-weight:700;letter-spacing:.5px;box-shadow:0 20px 46px -14px rgba(0,0,0,.8),0 0 24px -8px rgba(74,222,128,.4);opacity:0;visibility:hidden;transition:all .35s cubic-bezier(.16,1,.3,1);pointer-events:none;text-align:center;max-width:90vw}
.toast.show{opacity:1;visibility:visible;transform:translate(-50%,0)}

/* 品牌标动画 */
@keyframes markFloat{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-3px) rotate(4deg)}}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:78px 0}
  .about-grid{grid-template-columns:1fr;max-width:640px;margin:0 auto}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .adv-card,.adv-card:nth-child(n){grid-column:auto}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .mode-badge{display:none}
  .footer-inner{justify-content:center;text-align:center}
  .contact-panel{grid-template-columns:1fr}
  .contact-steps{border-left:0;border-top:1px solid var(--line);padding:34px 42px}
}
@media (max-width:1200px){
  .nav-toggle{display:flex}
  .navbar{height:66px}
  .nav-inner{height:66px}
  .nav-menu{position:fixed;top:0;right:0;bottom:0;width:min(80vw,360px);flex-direction:column;align-items:stretch;justify-content:flex-start;gap:6px;padding:96px 30px 34px;background:rgba(6,9,20,.97);backdrop-filter:blur(18px);border-left:1px solid var(--line);transform:translateX(105%);transition:transform .4s cubic-bezier(.16,1,.3,1);box-shadow:-30px 0 70px -30px rgba(0,0,0,.9);z-index:-1}
  .nav-menu.open{transform:none}
  .nav-links{flex-direction:column;align-items:stretch;gap:6px}
  .nav-link{padding:13px 12px;font-size:17px;border-radius:12px;color:#d5e2ff}
  .nav-link.is-active{background:var(--grad-soft);color:#fff}
  .nav-link.is-active::after{display:none}
  .btn-nav-cta{margin-top:14px}
  html{scroll-padding-top:76px}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .section{padding:64px 0}
  .hero{padding:118px 0 70px;min-height:auto}
  .hero-scroll{display:none}
  .hero-trust{flex-direction:column;gap:9px;align-items:center}
  .stats{margin-top:-24px}
  .stats-grid{grid-template-columns:repeat(2,1fr);border-radius:16px}
  .stat-card{padding:20px 10px}
  .pricing-grid{grid-template-columns:1fr}
  .mode-grid{grid-template-columns:1fr}
  .plan-ribbon{right:-50px}
  .adv-grid{grid-template-columns:1fr}
  .contact-main{padding:40px 24px}
  .contact-steps{padding:30px 24px}
  .cta-inner{justify-content:center;text-align:center}
  .btn-xl{width:100%}
  .back-top{right:16px;bottom:18px;width:44px;height:44px}
  .lg-only{display:none}
  .brand-en{display:none}
}

/* 减弱动态效果 */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
  .typing-caret{animation:none}
}
/* Hero 滚动提示避让数据条重叠 */
@media (min-width:641px){.hero-scroll{bottom:74px}}


/* ============ 微信二维码按钮 + 弹窗 ============ */
.btn-wechat{color:#eafff4;background:linear-gradient(115deg,#059669,#10b981 55%,#22c55e);background-size:170% 170%;border:1px solid rgba(110,231,183,.5);box-shadow:0 12px 30px -12px rgba(16,185,129,.7)}
.btn-wechat:hover{background-position:90% 50%;transform:translateY(-2px);box-shadow:0 16px 36px -12px rgba(16,185,129,.95)}
.qr-lock{overflow:hidden}
.qr-modal{position:fixed;inset:0;z-index:1200;display:flex;align-items:center;justify-content:center;padding:18px;visibility:hidden;opacity:0;transition:opacity .3s ease,visibility .3s}
.qr-modal.open{visibility:visible;opacity:1}
.qr-modal-bg{position:absolute;inset:0;background:rgba(3,6,15,.8);backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px)}
.qr-card{position:relative;width:min(410px,94vw);max-height:94vh;overflow:auto;background:linear-gradient(165deg,rgba(23,34,66,.98),rgba(10,14,30,.99));border:1px solid rgba(125,211,252,.35);border-radius:24px;padding:32px 26px 26px;text-align:center;box-shadow:0 34px 90px -24px rgba(2,6,23,.95),0 0 60px -18px rgba(56,189,248,.55);transform:translateY(24px) scale(.93);opacity:0;transition:transform .38s cubic-bezier(.16,1,.3,1),opacity .3s ease}
.qr-modal.open .qr-card{transform:none;opacity:1}
.qr-card::before{content:"";position:absolute;inset:-1px;border-radius:24px;padding:1px;background:linear-gradient(140deg,rgba(56,189,248,.65),rgba(99,102,241,.35) 45%,rgba(74,222,128,.55));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;pointer-events:none}
.qr-close{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#9fb0d6;border:1px solid rgba(148,163,184,.32);background:rgba(255,255,255,.05);transition:all .25s;z-index:2}
.qr-close:hover{color:#fff;border-color:rgba(56,189,248,.75);transform:rotate(90deg);background:rgba(56,189,248,.14)}
.qr-close .ico{width:16px;height:16px}
.qr-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 18px;border-radius:999px;background:rgba(74,222,128,.12);border:1px solid rgba(74,222,128,.45);color:#86efac;font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:14px;box-shadow:0 0 24px -8px rgba(74,222,128,.55)}
.qr-badge .ico{width:17px;height:17px}
.qr-card h3{font-family:var(--head-font);font-size:23px;font-weight:900;letter-spacing:1px}
.qr-sub{margin:9px auto 16px;max-width:320px;color:var(--muted);font-size:13.5px;line-height:1.8}
.qr-sub b{color:#7dd3fc}
.qr-img-wrap{position:relative;display:inline-flex;padding:10px;border-radius:18px;background:#fff;box-shadow:0 16px 42px -16px rgba(2,6,23,.9),0 0 0 1px rgba(148,163,184,.18),inset 0 0 0 1px rgba(2,6,23,.06);animation:qrGlow 2.6s ease-in-out infinite}
.qr-img-wrap::after{content:"";position:absolute;inset:2px;border-radius:15px;border:1px dashed rgba(16,185,129,.55);pointer-events:none}
@keyframes qrGlow{0%,100%{box-shadow:0 16px 42px -16px rgba(2,6,23,.9),0 0 22px -6px rgba(56,189,248,.4)}50%{box-shadow:0 16px 42px -16px rgba(2,6,23,.9),0 0 34px -4px rgba(16,185,129,.6)}}
#qrImg{width:212px;height:212px;object-fit:contain;display:block;border-radius:10px}
.qr-num{margin-top:15px;font-size:13px;color:var(--muted)}
.qr-num b{font-size:17px;letter-spacing:1px}
.qr-steps{margin:16px 0 0;text-align:left;display:flex;flex-direction:column;gap:9px;padding:0}
.qr-steps li{display:flex;gap:11px;align-items:flex-start;padding:9px 13px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid rgba(148,163,184,.14)}
.qr-steps li > span{flex:none;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#fff;background:linear-gradient(135deg,#059669,#10b981);box-shadow:0 6px 14px -6px rgba(16,185,129,.9);margin-top:1px}
.qr-steps p{font-size:13.5px;color:#c9d8f5;line-height:1.6}
.qr-steps p b{color:#fff}
.qr-actions{display:flex;gap:12px;justify-content:center;margin-top:20px}
.qr-actions .btn{min-width:120px}
@media (max-width:480px){
  .qr-card{padding:26px 18px 22px}
  #qrImg{width:182px;height:182px}
  .qr-actions{flex-wrap:wrap}
  .qr-actions .btn{min-width:46%}
}


/* ============ 右侧悬浮客服按钮 ============ */
.float-service{position:fixed;right:22px;bottom:104px;z-index:960;width:60px;height:68px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;border-radius:18px;color:#fff;background:linear-gradient(150deg,#10b981,#06b6d4 90%);border:1px solid rgba(110,231,183,.6);box-shadow:0 16px 36px -14px rgba(16,185,129,.85);transition:transform .3s,box-shadow .3s;cursor:pointer}
.float-service .ico{width:25px;height:25px;filter:drop-shadow(0 2px 5px rgba(0,0,0,.28))}
.float-service span{font-size:11.5px;font-weight:800;letter-spacing:1.5px;line-height:1;text-shadow:0 1px 4px rgba(0,0,0,.25)}
.float-service::after{content:"";position:absolute;inset:-6px;border-radius:23px;border:1.5px solid rgba(16,185,129,.45);animation:floatPulse 2.2s ease-out infinite;pointer-events:none}
@keyframes floatPulse{0%{transform:scale(.86);opacity:1}100%{transform:scale(1.28);opacity:0}}
.float-service:hover{transform:translateY(-4px) scale(1.06);box-shadow:0 20px 44px -14px rgba(16,185,129,1)}
@media (max-width:640px){
  .float-service{right:14px;bottom:82px;width:54px;height:60px;border-radius:16px}
  .float-service .ico{width:22px;height:22px}
}
/* ============ Cloud Server ============ */
.server{background:radial-gradient(900px 520px at 50% -4%,rgba(56,189,248,.13),transparent 62%),radial-gradient(760px 460px at 96% 104%,rgba(168,85,247,.13),transparent 60%),linear-gradient(180deg,transparent,rgba(9,13,28,.45) 12%,rgba(9,13,28,.45) 88%,transparent)}
.server-std{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;text-align:center;max-width:880px;margin:0 auto 44px;padding:16px 24px;border-radius:18px;border:1px solid rgba(125,211,252,.32);background:linear-gradient(180deg,rgba(19,27,52,.85),rgba(10,15,32,.9));box-shadow:0 14px 36px -20px rgba(2,6,23,.9),inset 0 0 30px rgba(56,189,248,.05);backdrop-filter:blur(8px)}
.server-std>.ico{width:26px;height:26px;color:#22d3ee;flex:none;filter:drop-shadow(0 0 10px rgba(34,211,238,.6))}
.server-std p{color:var(--muted);font-size:clamp(14px,1.6vw,16px);letter-spacing:.5px}
.server-std p b{color:#7dd3fc;font-weight:800;white-space:nowrap}
.server-std .sp{color:rgba(125,211,252,.5);font-weight:900;padding:0 6px}
.server-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:stretch}
.server-card{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;padding:28px 20px 24px;border-radius:20px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(18,27,52,.88),rgba(9,13,28,.94));overflow:hidden;transition:transform .35s,border-color .35s,box-shadow .35s}
.server-card::before{content:"";position:absolute;inset:0 0 auto;height:2px;background:var(--grad-border);opacity:0;transition:opacity .35s}
.server-card::after{content:"";position:absolute;top:-52px;right:-52px;width:150px;height:150px;border-radius:50%;background:radial-gradient(circle,rgba(99,102,241,.2),transparent 70%);opacity:0;transition:opacity .5s;pointer-events:none}
.server-card:hover{transform:translateY(-7px);border-color:rgba(125,211,252,.45);box-shadow:0 22px 46px -20px rgba(99,102,241,.6)}
.server-card:hover::before,.server-card:hover::after{opacity:1}
.server-card.server-hot{border-color:rgba(167,139,250,.5);background:linear-gradient(180deg,rgba(32,26,72,.94),rgba(12,12,34,.96));box-shadow:0 18px 44px -22px rgba(168,85,247,.55),inset 0 0 34px rgba(168,85,247,.08)}
.server-card.server-hot::before{opacity:1}
.server-ico{display:inline-flex;width:58px;height:58px;align-items:center;justify-content:center;border-radius:16px;color:#22d3ee;background:linear-gradient(180deg,rgba(56,189,248,.14),rgba(99,102,241,.12));border:1px solid rgba(56,189,248,.35);box-shadow:0 8px 20px -10px rgba(56,189,248,.7)}
.server-ico .ico{width:29px;height:29px}
.server-hot .server-ico{color:#c4b5fd;border-color:rgba(192,132,252,.45);background:linear-gradient(180deg,rgba(168,85,247,.16),rgba(99,102,241,.13));box-shadow:0 8px 22px -10px rgba(168,85,247,.8)}
.server-card h3{font-family:var(--head-font);font-size:clamp(18px,1.6vw,21px);font-weight:900;letter-spacing:.5px;margin:12px 0 2px;white-space:nowrap}
.server-conf{color:var(--muted);font-size:13px;letter-spacing:.5px}
.server-low{margin-top:16px;font-size:12px;font-weight:700;letter-spacing:3px;color:var(--dim)}
.server-price{display:flex;align-items:baseline;justify-content:center;gap:3px;margin:2px 0 6px;line-height:1}
.server-price .cur{font-size:20px;font-weight:800;color:#7dd3fc}
.server-price b{font-family:var(--head-font);font-size:clamp(38px,3.6vw,48px);font-weight:900;letter-spacing:1px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 6px 22px rgba(129,140,248,.35))}
.server-price em{font-size:13px;color:var(--muted);margin-left:5px;white-space:nowrap}
.server-card .btn{margin-top:18px}
.server-block-tag{display:flex;align-items:center;justify-content:center;gap:18px;margin:48px 0 22px;font-size:15px;font-weight:800;letter-spacing:4px;color:#dbe6ff}
.server-block-tag::before,.server-block-tag::after{content:"";width:56px;height:1px;background:linear-gradient(90deg,transparent,rgba(125,211,252,.7))}
.server-block-tag::after{background:linear-gradient(90deg,rgba(125,211,252,.7),transparent)}
/* 产品卖点：彩色胶囊标签 */
.server-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.server-tag{--tc:#22d3ee;--tg:linear-gradient(120deg,#22d3ee,#38bdf8);position:relative;display:inline-flex;align-items:center;gap:9px;padding:13px 20px;border-radius:999px;border:1px solid rgba(125,211,252,.3);background:linear-gradient(180deg,rgba(21,31,60,.82),rgba(9,14,28,.92));box-shadow:inset 0 0 24px rgba(56,189,248,.05),0 10px 26px -20px rgba(2,6,23,.95);overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s;white-space:nowrap}
.server-tag::before{content:"";flex:none;width:9px;height:9px;border-radius:50%;background:var(--tc);box-shadow:0 0 12px 1px var(--tc);animation:tagPulse 2.4s ease-in-out infinite}
.server-tag h4{font-size:19px;font-weight:900;letter-spacing:2px;line-height:1;background:var(--tg);-webkit-background-clip:text;background-clip:text;color:transparent}
.server-tag p{font-size:14px;color:var(--muted);letter-spacing:1px}
.server-tag p::before{content:"·";margin-right:5px;color:var(--tc);font-weight:900}
.server-tag:nth-child(2){--tc:#818cf8;--tg:linear-gradient(120deg,#6366f1,#818cf8)}
.server-tag:nth-child(3){--tc:#c084fc;--tg:linear-gradient(120deg,#a855f7,#c084fc)}
.server-tag:nth-child(4){--tc:#34d399;--tg:linear-gradient(120deg,#059669,#34d399)}
.server-tag:hover{transform:translateY(-3px);border-color:var(--tc);box-shadow:0 14px 30px -18px var(--tc)}
@keyframes tagPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.2);opacity:.65}}
/* 服务优势：图标保障卡 */
.server-adv{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:2px}
.server-adv .adv-item{position:relative;display:flex;align-items:center;gap:14px;padding:18px 16px 18px 18px;border-radius:16px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(18,27,52,.85),rgba(9,13,28,.93));overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s;text-align:left}
.server-adv .adv-item::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;background:var(--grad)}
.server-adv .adv-item::after{content:"";position:absolute;right:-34px;bottom:-34px;width:110px;height:110px;border-radius:50%;background:radial-gradient(circle,rgba(99,102,241,.18),transparent 70%);opacity:0;transition:opacity .4s;pointer-events:none}
.server-adv .adv-item:hover{transform:translateY(-4px);border-color:rgba(125,211,252,.45);box-shadow:0 16px 34px -18px rgba(99,102,241,.7)}
.server-adv .adv-item:hover::after{opacity:1}
.adv-ico{flex:none;width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;color:#7dd3fc;background:var(--grad-soft);border:1px solid rgba(125,211,252,.35);box-shadow:0 8px 20px -10px rgba(56,189,248,.6)}
.adv-ico .ico{width:22px;height:22px}
.adv-txt{display:flex;flex-direction:column;min-width:0}
.adv-txt b{font-size:16px;font-weight:800;letter-spacing:1px;line-height:1.3;white-space:nowrap}
.adv-txt span{color:var(--muted);font-size:12.5px;letter-spacing:.5px;margin-top:3px;white-space:nowrap}
@media (max-width:1120px){
  .server-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .server-adv{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .server-grid{grid-template-columns:1fr}
  .server-std{padding:14px 18px;margin-bottom:36px}
  .server-card{padding:26px 18px 22px}
  .server-card h3{white-space:normal}
  .server-block-tag{margin:38px 0 18px}
  .server-tags{gap:10px}
  .server-tag{gap:6px;padding:10px 12px}
  .server-tag h4{font-size:15px;letter-spacing:1px}
  .server-tag p{font-size:12px;letter-spacing:.5px}
  .server-adv{gap:12px}
  .server-adv .adv-item{gap:10px;padding:14px 12px}
  .adv-ico{width:36px;height:36px;border-radius:11px}
  .adv-ico .ico{width:18px;height:18px}
  .adv-txt b{font-size:14.5px}
  .adv-txt span{font-size:12px}
}
/* ============ 首屏快捷入口按钮 ============ */
.hero-quick{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-bottom:44px}
.hero-quick-btn{position:relative;display:flex;align-items:center;gap:13px;padding:11px 18px 11px 12px;border-radius:16px;color:#e4edff;background:linear-gradient(180deg,rgba(21,30,58,.85),rgba(9,13,28,.92));border:1px solid rgba(125,211,252,.3);box-shadow:0 14px 32px -20px rgba(2,6,23,.95),inset 0 0 24px rgba(56,189,248,.05);backdrop-filter:blur(8px);overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s;text-align:left}
.hero-quick-btn::before{content:"";position:absolute;inset:0 0 auto;height:2px;background:var(--grad-border);opacity:0;transition:opacity .3s}
.hero-quick-btn:hover{transform:translateY(-3px);border-color:rgba(125,211,252,.6);box-shadow:0 18px 42px -20px rgba(99,102,241,.75)}
.hero-quick-btn:hover::before{opacity:1}
.hq-ico{flex:none;width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;color:#7dd3fc;background:linear-gradient(150deg,rgba(56,189,248,.2),rgba(99,102,241,.16));border:1px solid rgba(56,189,248,.42);box-shadow:0 6px 18px -8px rgba(56,189,248,.85)}
.hq-ico .ico{width:21px;height:21px}
.hero-quick-btn:nth-of-type(2) .hq-ico{color:#c4b5fd;background:linear-gradient(150deg,rgba(168,85,247,.18),rgba(99,102,241,.15));border-color:rgba(192,132,252,.5);box-shadow:0 6px 18px -8px rgba(168,85,247,.9)}
.hq-txt{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.hq-txt b{font-size:16px;font-weight:800;letter-spacing:1.5px;color:#fff}
.hq-txt small{font-size:11.5px;color:var(--muted);letter-spacing:.5px;margin-top:3px;white-space:nowrap}
.hq-arrow{flex:none;width:15px;height:15px;color:var(--dim);margin-left:4px;transition:transform .3s,color .3s}
.hero-quick-btn:hover .hq-arrow{transform:translate(3px,-3px);color:#7dd3fc}
@media (max-width:560px){
  .hero-quick{gap:10px;margin-bottom:30px}
  .hero-quick-btn{gap:9px;padding:9px 12px;border-radius:14px}
  .hq-ico{width:34px;height:34px;border-radius:10px}
  .hq-ico .ico{width:18px;height:18px}
  .hq-txt b{font-size:14px;letter-spacing:1px}
  .hq-txt small{display:none}
  .hq-arrow{display:none}
}