/* ═══════════════════════════════════════════════════════════════════════════
   OAIRoute 样式表
   ───────────────────────────────────────────────────────────────────────────
   配色主题：电光青蓝（cyan → blue）
   想换主色只改下面 :root 里的 --accent-1 / --accent-2 两个值，全站自动跟着变，
   包括星球背景的点色。
   ═══════════════════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* ── 主色（改这两行就能换整站配色）── */
  --accent-1: #22d3ee;          /* 青 */
  --accent-2: #3b82f6;          /* 蓝 */
  --globe-dot-1: 34,211,238;    /* 星球前半球色，要和 accent-1 对应的 RGB 一致 */
  --globe-dot-2: 59,130,246;    /* 星球后半球色 */

  /* ── 深空底色 ── */
  --bg:        #05070d;
  --bg-2:      #080b14;
  --surface:   #0c1018;
  --surface-2: #111725;
  --surface-3: #161d2e;

  /* ── 边框与分隔 ── */
  --line:      rgba(255,255,255,0.07);
  --line-2:    rgba(255,255,255,0.12);
  --line-glow: rgba(34,211,238,0.22);

  /* ── 文字 ── */
  --txt:       #e8edf7;
  --txt-2:     #9aa6bd;
  --txt-3:     #6b7688;
  --txt-code:  #cbd5e6;

  /* ── 语义色 ── */
  --green:  #34d399;
  --amber:  #fbbf24;
  --red:    #f87171;
  --violet: #a78bfa;

  /* ── 字体 ── */
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* ── 布局 ── */
  --maxw:  1200px;
  --maxw-n: 1280px;
  --r:     14px;
  --r-sm:  9px;
  --r-lg:  20px;

  --grad: linear-gradient(100deg, var(--accent-1), var(--accent-2));
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;      /* 锚点跳转时不被吸顶导航挡住 */
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.65;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* 全站柔光底纹 */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(70% 45% at 50% -8%,  rgba(34,211,238,0.10), transparent 70%),
    radial-gradient(50% 40% at 88% 22%,  rgba(59,130,246,0.07), transparent 70%),
    radial-gradient(45% 35% at 8%  72%,  rgba(167,139,250,0.05), transparent 70%);
}

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
::selection { background: rgba(34,211,238,0.28); color: #fff; }

/* 键盘可达性：只在键盘导航时显示焦点环（无障碍必需） */
:focus-visible {
  outline: 2px solid var(--accent-1);
  outline-offset: 3px;
  border-radius: 4px;
}

/* 滚动条 */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--surface-3); border-radius: 6px;
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: #26304a; }

/* 跳到主内容（屏幕阅读器/键盘用户，Lighthouse 检查项） */
.skip-link {
  position: absolute; top: -60px; left: 16px; z-index: 200;
  padding: 10px 18px; border-radius: 0 0 10px 10px;
  background: var(--accent-1); color: #04121a; font-weight: 600; font-size: 14px;
  transition: top .18s;
}
.skip-link:focus { top: 0; }

.shell { position: relative; z-index: 1; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ═══════════════════════════════════════════════════════════════════════════
   通用区块结构
   ═══════════════════════════════════════════════════════════════════════════ */
section { position: relative; padding: 104px 0; }
section + section { border-top: 1px solid var(--line); }

.sec-head { max-width: 680px; margin-bottom: 52px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 11.5px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent-1); margin-bottom: 16px;
}
.eyebrow::before {
  content: ''; width: 18px; height: 1px;
  background: linear-gradient(90deg, var(--accent-1), transparent);
}
.sec-head.center .eyebrow::before { display: none; }

.sec-head h2 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15; font-weight: 640; letter-spacing: -0.028em;
  margin-bottom: 16px;
}
.sec-head p {
  font-size: 16.5px; color: var(--txt-2); line-height: 1.68;
  max-width: 62ch;
}
.sec-head.center p { margin-left: auto; margin-right: auto; }

.grad-txt {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

/* ═══════════════════════════════════════════════════════════════════════════
   按钮
   ═══════════════════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 12px 22px; border-radius: 10px;
  font-size: 14.5px; font-weight: 550; white-space: nowrap;
  transition: transform .16s cubic-bezier(.2,.8,.2,1), box-shadow .2s, background .2s, border-color .2s;
}
.btn svg { width: 15px; height: 15px; flex: none; }

.btn-primary {
  background: var(--grad); color: #04121a; font-weight: 620;
  box-shadow: 0 4px 20px -6px rgba(34,211,238,0.5);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 32px -8px rgba(34,211,238,0.62); }

.btn-ghost {
  background: rgba(255,255,255,0.035);
  border: 1px solid var(--line-2); color: var(--txt);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.075); border-color: var(--line-glow); transform: translateY(-2px); }

.btn-lg { padding: 15px 28px; font-size: 15.5px; border-radius: 12px; }

.btn-link {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 14.5px; font-weight: 520; color: var(--accent-1);
  transition: gap .18s;
}
.btn-link:hover { gap: 11px; }
.btn-link svg { width: 14px; height: 14px; }

/* ═══════════════════════════════════════════════════════════════════════════
   导航栏
   ═══════════════════════════════════════════════════════════════════════════ */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(5,7,13,0.72);
  backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, background .25s;
}
.nav.scrolled { border-bottom-color: var(--line); background: rgba(5,7,13,0.9); }

.nav-in {
  max-width: var(--maxw-n); margin: 0 auto; padding: 0 28px;
  height: 66px; display: flex; align-items: center; gap: 36px;
}

.logo { display: flex; align-items: center; gap: 10px; font-size: 16.5px; font-weight: 640; letter-spacing: -0.02em; flex: none; }
.logo-mark { width: 29px; height: 29px; flex: none; }
.logo-txt { color: var(--txt); }

.nav-mid { display: flex; align-items: center; gap: 30px; flex: 1; }
.nav-mid > a, .nav-drop-btn {
  font-size: 14.5px; color: var(--txt-2); font-weight: 480;
  transition: color .16s; display: inline-flex; align-items: center; gap: 5px;
}
.nav-mid > a:hover, .nav-drop-btn:hover, .nav-drop-btn[aria-expanded="true"] { color: var(--txt); }
.nav-drop-btn svg { width: 11px; height: 11px; opacity: .55; transition: transform .18s; }
.nav-drop-btn[aria-expanded="true"] svg { transform: rotate(180deg); opacity: .9; }

.nav-drop { position: relative; }
.nav-menu {
  position: absolute; top: calc(100% + 16px); left: -14px; z-index: 120;
  min-width: 292px; padding: 8px;
  background: var(--surface-2);
  border: 1px solid var(--line-2); border-radius: var(--r);
  box-shadow: 0 24px 60px -18px rgba(0,0,0,0.85), 0 0 0 1px rgba(255,255,255,0.03);
  opacity: 0; transform: translateY(-8px); pointer-events: none;
  transition: opacity .18s, transform .18s;
}
.nav-menu.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.nav-menu a {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 11px 12px; border-radius: 10px;
  transition: background .14s;
}
.nav-menu a:hover { background: rgba(255,255,255,0.05); }
.nm-ico {
  width: 32px; height: 32px; flex: none; border-radius: 9px;
  background: var(--surface-3); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
}
.nm-ico svg { width: 16px; height: 16px; color: var(--accent-1); }
.nm-body { min-width: 0; flex: 1; }
.nm-name { font-size: 14px; font-weight: 560; display: flex; align-items: center; gap: 8px; }
.nm-desc { font-size: 12.5px; color: var(--txt-3); line-height: 1.45; margin-top: 2px; }

.tag-live {
  font-family: var(--mono); font-size: 9.5px; font-weight: 600;
  letter-spacing: .07em; text-transform: uppercase;
  padding: 2px 6px; border-radius: 4px;
  background: rgba(52,211,153,0.14); color: var(--green);
  border: 1px solid rgba(52,211,153,0.26);
}

.nav-right { display: flex; align-items: center; gap: 18px; flex: none; }
.nav-login { font-size: 14.5px; color: var(--txt-2); transition: color .16s; }
.nav-login:hover { color: var(--txt); }
.nav-cta {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 17px; border-radius: 9px;
  background: var(--grad); color: #04121a;
  font-size: 14px; font-weight: 620;
  transition: transform .16s, box-shadow .2s;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 20px -6px rgba(34,211,238,0.55); }
.nav-cta svg { width: 13px; height: 13px; }

/* 移动端汉堡菜单 */
.nav-burger { display: none; width: 40px; height: 40px; border-radius: 9px; border: 1px solid var(--line-2); align-items: center; justify-content: center; }
.nav-burger svg { width: 18px; height: 18px; }
.nav-mobile {
  display: none; border-top: 1px solid var(--line);
  background: rgba(8,11,20,0.98); backdrop-filter: blur(18px);
  padding: 10px 28px 22px;
}
.nav-mobile.open { display: block; }
.nav-mobile a {
  display: block; padding: 13px 0; font-size: 15.5px;
  color: var(--txt-2); border-bottom: 1px solid var(--line);
}
.nav-mobile a:last-of-type { border-bottom: none; }
.nav-mobile .btn { width: 100%; margin-top: 14px; }

/* ═══════════════════════════════════════════════════════════════════════════
   首屏 Hero + 星球
   ═══════════════════════════════════════════════════════════════════════════ */
.hero {
  position: relative; overflow: hidden;
  padding: 92px 0 96px;
  border-top: none;
}

/* 星球容器：绝对定位在右侧，不参与文字布局 */
.globe-wrap {
  position: absolute; top: 50%; right: -6%;
  width: min(880px, 62vw); height: min(880px, 62vw);
  transform: translateY(-50%);
  z-index: 0; pointer-events: none;
}
#globeCanvas {
  width: 100%; height: 100%;
  opacity: 0; transition: opacity 1.1s ease-out;
}
#globeCanvas.globe-ready { opacity: 1; }

/* 星球外发光 */
.globe-wrap::after {
  content: ''; position: absolute;
  left: 50%; top: 50%; width: 62%; height: 62%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34,211,238,0.16), rgba(59,130,246,0.06) 45%, transparent 70%);
  filter: blur(38px);
}

/* 移动端 / 减少动效时的静态降级球 */
body.globe-static #globeCanvas { display: none; }
body.globe-static .globe-wrap::before {
  content: ''; position: absolute;
  left: 50%; top: 50%; width: 68%; height: 68%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background:
    radial-gradient(circle at 38% 32%, rgba(34,211,238,0.30), rgba(59,130,246,0.14) 42%, transparent 68%);
  box-shadow: inset 0 0 90px rgba(34,211,238,0.12);
}

.hero-in { position: relative; z-index: 2; max-width: 720px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 6px 15px 6px 9px; border-radius: 100px;
  background: rgba(255,255,255,0.045);
  border: 1px solid var(--line-2);
  font-size: 13px; color: var(--txt-2); font-weight: 480;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
  transition: border-color .2s, background .2s;
}
.hero-badge:hover { border-color: var(--line-glow); background: rgba(255,255,255,0.07); }
.pulse {
  width: 7px; height: 7px; border-radius: 50%; flex: none;
  background: var(--green); position: relative;
}
.pulse::after {
  content: ''; position: absolute; inset: -4px; border-radius: 50%;
  background: var(--green); opacity: .35;
  animation: pulseRing 2.2s ease-out infinite;
}
@keyframes pulseRing {
  0%   { transform: scale(.6); opacity: .5; }
  70%  { transform: scale(1.9); opacity: 0; }
  100% { transform: scale(1.9); opacity: 0; }
}
.hero-badge svg { width: 12px; height: 12px; opacity: .5; }

h1 {
  font-size: clamp(38px, 6.2vw, 68px);
  line-height: 1.06; font-weight: 660;
  letter-spacing: -0.038em;
  margin-bottom: 24px;
}
h1 .grad-txt { display: inline-block; }

.hero-sub {
  font-size: clamp(16px, 1.4vw, 18.5px);
  color: var(--txt-2); line-height: 1.62;
  max-width: 60ch; margin-bottom: 34px;
}
.hero-sub strong { color: var(--txt); font-weight: 560; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 13px; margin-bottom: 42px; }

/* 首屏代码块 */
.hero-code { max-width: 640px; margin-bottom: 44px; }

.code-box {
  background: rgba(8,11,20,0.86);
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  overflow: hidden;
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 50px -22px rgba(0,0,0,0.8);
}
.code-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 15px;
  background: rgba(255,255,255,0.022);
  border-bottom: 1px solid var(--line);
}
.dots { display: flex; gap: 6px; flex: none; }
.dots i { width: 9px; height: 9px; border-radius: 50%; display: block; }
.dots i:nth-child(1) { background: #ff5f57; }
.dots i:nth-child(2) { background: #febc2e; }
.dots i:nth-child(3) { background: #28c840; }
.code-file {
  font-family: var(--mono); font-size: 12px; color: var(--txt-3);
  flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.copy-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 11px; border-radius: 7px; flex: none;
  border: 1px solid var(--line-2);
  font-family: var(--mono); font-size: 11.5px; color: var(--txt-2);
  transition: background .15s, color .15s, border-color .15s;
}
.copy-btn:hover { background: rgba(255,255,255,0.06); color: var(--txt); border-color: var(--line-glow); }
.copy-btn.done { color: var(--green); border-color: rgba(52,211,153,0.35); background: rgba(52,211,153,0.1); }
.copy-btn svg { width: 12px; height: 12px; }

.code-body {
  padding: 17px 19px;
  overflow-x: auto;
  font-family: var(--mono); font-size: 13px; line-height: 1.75;
  color: var(--txt-code);
  -webkit-overflow-scrolling: touch;
}
.code-body pre { white-space: pre; tab-size: 2; }
.code-body::-webkit-scrollbar { height: 7px; }

/* 代码高亮 token */
.tk-c { color: #5d6a80; font-style: italic; }   /* 注释 */
.tk-k { color: #7dd3fc; }                        /* 关键字 */
.tk-s { color: #86efac; }                        /* 字符串 */
.tk-n { color: #fca5a5; }                        /* 数字 */
.tk-f { color: #c4b5fd; }                        /* 函数 */
.tk-p { color: #64748b; }                        /* 标点 */
.tk-v { color: #fbbf24; }                        /* 变量/环境变量 */

/* 首屏数据条 */
.hero-stats {
  display: flex; flex-wrap: wrap; gap: 0;
  border-top: 1px solid var(--line); padding-top: 26px;
}
.hstat { padding-right: 44px; margin-right: 44px; border-right: 1px solid var(--line); }
.hstat:last-child { border-right: none; padding-right: 0; margin-right: 0; }
.hstat-v {
  font-size: 25px; font-weight: 640; letter-spacing: -0.03em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1.2;
}
.hstat-l { font-size: 12.5px; color: var(--txt-3); margin-top: 3px; }

/* ═══════════════════════════════════════════════════════════════════════════
   厂商 logo 墙（无限横向滚动）
   ═══════════════════════════════════════════════════════════════════════════ */
.providers { padding: 68px 0; overflow: hidden; }
.prov-head { text-align: center; margin-bottom: 38px; }
.prov-head h2 {
  font-size: clamp(20px, 2.4vw, 26px); font-weight: 600;
  letter-spacing: -0.024em; margin-bottom: 9px;
}
.prov-head p { font-size: 14.5px; color: var(--txt-3); }

.marquee {
  position: relative;
  /* 两侧渐隐遮罩，营造无限延伸感 */
  mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
}
.marquee-track {
  display: flex; gap: 14px; width: max-content;
  animation: scrollX 46s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes scrollX { to { transform: translateX(-50%); } }

.prov-chip {
  display: flex; align-items: center; gap: 10px; flex: none;
  padding: 11px 19px 11px 13px; border-radius: 100px;
  background: rgba(255,255,255,0.028);
  border: 1px solid var(--line);
  transition: border-color .2s, background .2s, transform .2s;
}
.prov-chip:hover { border-color: var(--line-glow); background: rgba(255,255,255,0.06); transform: translateY(-2px); }
.prov-chip img {
  width: 24px; height: 24px; flex: none; border-radius: 6px;
  object-fit: contain;
  /* 统一亮度：厂商 logo 深浅不一，去饱和后在深底上更协调 */
  filter: grayscale(.25) brightness(1.06);
  transition: filter .25s;
}
.prov-chip:hover img { filter: none; }
.prov-fallback {
  width: 24px; height: 24px; flex: none; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface-3);
  font-family: var(--mono); font-size: 11px; font-weight: 600; color: var(--accent-1);
}
.prov-chip span { font-size: 14px; font-weight: 500; white-space: nowrap; color: var(--txt-2); }

.prov-note {
  max-width: 760px; margin: 34px auto 0; text-align: center;
  font-size: 11.5px; color: var(--txt-3); line-height: 1.6; opacity: .72;
}

/* ═══════════════════════════════════════════════════════════════════════════
   Quick Start（标签切换代码）
   ═══════════════════════════════════════════════════════════════════════════ */
.tabs {
  display: flex; gap: 5px; padding: 5px; margin-bottom: 20px;
  background: rgba(255,255,255,0.028);
  border: 1px solid var(--line); border-radius: 11px;
  width: max-content; max-width: 100%; overflow-x: auto;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  padding: 8px 17px; border-radius: 8px; white-space: nowrap;
  font-size: 13.5px; font-weight: 500; color: var(--txt-3);
  transition: background .16s, color .16s;
}
.tab:hover { color: var(--txt-2); }
.tab.on { background: var(--surface-3); color: var(--txt); box-shadow: 0 1px 3px rgba(0,0,0,0.4); }

.tab-panel { display: none; }
.tab-panel.on { display: block; animation: fadeUp .3s ease-out; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(7px); }
  to   { opacity: 1; transform: translateY(0); }
}

.qs-grid { display: grid; grid-template-columns: 1fr 336px; gap: 30px; align-items: start; }

.qs-steps { display: flex; flex-direction: column; gap: 4px; }
.qs-step {
  display: flex; gap: 15px; padding: 17px 19px;
  border-radius: var(--r);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.018);
}
.qs-num {
  width: 25px; height: 25px; flex: none; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(34,211,238,0.11); border: 1px solid rgba(34,211,238,0.25);
  font-family: var(--mono); font-size: 12px; font-weight: 600; color: var(--accent-1);
}
.qs-step h3 { font-size: 14.5px; font-weight: 560; margin-bottom: 4px; }
.qs-step p { font-size: 13.5px; color: var(--txt-3); line-height: 1.58; }
.qs-step code {
  font-family: var(--mono); font-size: 12.5px;
  background: rgba(34,211,238,0.09); color: var(--accent-1);
  padding: 1px 6px; border-radius: 5px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   Ark Global 聚光灯
   ═══════════════════════════════════════════════════════════════════════════ */
.spotlight { position: relative; overflow: hidden; }
.spot-card {
  position: relative;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-2);
  background:
    radial-gradient(120% 100% at 82% 0%, rgba(34,211,238,0.11), transparent 58%),
    linear-gradient(180deg, var(--surface-2), var(--surface));
  padding: 46px;
  overflow: hidden;
}
/* 卡片内的网格纹理 */
.spot-card::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: .45;
  background-image:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(90% 70% at 78% 8%, #000, transparent 72%);
  -webkit-mask-image: radial-gradient(90% 70% at 78% 8%, #000, transparent 72%);
}
.spot-in { position: relative; z-index: 1; }

.spot-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 28px; margin-bottom: 40px; flex-wrap: wrap; }
.spot-title { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.spot-title img { width: 42px; height: 42px; border-radius: 11px; }
.spot-title h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 650; letter-spacing: -0.03em; }
.spot-sub { font-size: 16px; color: var(--txt-2); max-width: 60ch; line-height: 1.66; }

.spot-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(224px, 1fr)); gap: 16px; }
.spot-item {
  padding: 21px; border-radius: var(--r);
  background: rgba(255,255,255,0.026);
  border: 1px solid var(--line);
  transition: border-color .22s, background .22s, transform .22s;
}
.spot-item:hover { border-color: var(--line-glow); background: rgba(255,255,255,0.05); transform: translateY(-3px); }
.spot-ico {
  width: 34px; height: 34px; border-radius: 9px; margin-bottom: 14px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(34,211,238,0.1); border: 1px solid rgba(34,211,238,0.22);
}
.spot-ico svg { width: 17px; height: 17px; color: var(--accent-1); }
.spot-item h3 { font-size: 15px; font-weight: 570; margin-bottom: 6px; }
.spot-item p { font-size: 13.5px; color: var(--txt-3); line-height: 1.58; }

/* ═══════════════════════════════════════════════════════════════════════════
   模型列表
   ═══════════════════════════════════════════════════════════════════════════ */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.filter {
  padding: 7px 15px; border-radius: 100px;
  border: 1px solid var(--line); background: rgba(255,255,255,0.022);
  font-size: 13.5px; color: var(--txt-3); font-weight: 500;
  transition: all .17s;
}
.filter:hover { color: var(--txt-2); border-color: var(--line-2); }
.filter.on {
  background: rgba(34,211,238,0.12); border-color: rgba(34,211,238,0.34);
  color: var(--accent-1);
}

.model-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(292px, 1fr)); gap: 15px; }

.model-card {
  position: relative;
  padding: 20px; border-radius: var(--r);
  background: linear-gradient(180deg, rgba(255,255,255,0.032), rgba(255,255,255,0.014));
  border: 1px solid var(--line);
  transition: border-color .22s, transform .22s, box-shadow .22s;
  display: flex; flex-direction: column;
}
.model-card:hover {
  border-color: var(--line-glow); transform: translateY(-3px);
  box-shadow: 0 14px 34px -16px rgba(0,0,0,0.7);
}
.mc-top { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.mc-logo {
  width: 36px; height: 36px; flex: none; border-radius: 10px;
  background: var(--surface-3); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.mc-logo img { width: 21px; height: 21px; object-fit: contain; }
.mc-logo span { font-family: var(--mono); font-size: 13px; font-weight: 600; color: var(--accent-1); }
.mc-name { font-size: 15px; font-weight: 570; letter-spacing: -0.012em; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.mc-prov { font-size: 12.5px; color: var(--txt-3); margin-top: 2px; }

.badge {
  font-family: var(--mono); font-size: 9.5px; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 2px 6px; border-radius: 4px; white-space: nowrap;
  background: rgba(34,211,238,0.13); color: var(--accent-1);
  border: 1px solid rgba(34,211,238,0.28);
}
.badge.amber { background: rgba(251,191,36,0.13); color: var(--amber); border-color: rgba(251,191,36,0.28); }
.badge.green { background: rgba(52,211,153,0.13); color: var(--green); border-color: rgba(52,211,153,0.28); }
.badge.violet{ background: rgba(167,139,250,0.13); color: var(--violet); border-color: rgba(167,139,250,0.28); }

.mc-note { font-size: 13px; color: var(--txt-3); line-height: 1.55; margin-bottom: 16px; flex: 1; }

/* 可点击复制的模型 ID */
.mc-id {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 8px 11px; border-radius: 8px; margin-bottom: 13px;
  background: rgba(0,0,0,0.32); border: 1px solid var(--line);
  font-family: var(--mono); font-size: 12px; color: var(--txt-code);
  cursor: pointer; transition: border-color .16s, background .16s;
  width: 100%; text-align: left;
}
.mc-id:hover { border-color: var(--line-glow); background: rgba(0,0,0,0.5); }
.mc-id span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mc-id svg { width: 12px; height: 12px; flex: none; opacity: .45; }
.mc-id.done { border-color: rgba(52,211,153,0.4); color: var(--green); }

.mc-foot {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 12px;
  padding-top: 13px; border-top: 1px solid var(--line);
}
.mc-price { font-family: var(--mono); font-size: 13px; }
.mc-price b { color: var(--txt); font-weight: 600; }
.mc-price i { color: var(--txt-3); font-style: normal; font-size: 11.5px; }
.mc-ctx {
  font-family: var(--mono); font-size: 11.5px; color: var(--txt-3);
  padding: 3px 8px; border-radius: 5px;
  background: rgba(255,255,255,0.04); white-space: nowrap;
}

.models-foot { margin-top: 30px; display: flex; justify-content: center; }

/* ═══════════════════════════════════════════════════════════════════════════
   折扣 / 定价对比表
   ═══════════════════════════════════════════════════════════════════════════ */
.pricing { background: linear-gradient(180deg, transparent, rgba(34,211,238,0.022), transparent); }

.trust-line {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 9px 17px; border-radius: 100px; margin-bottom: 30px;
  background: rgba(52,211,153,0.07); border: 1px solid rgba(52,211,153,0.2);
  font-size: 13.5px; color: #a7e8cd; font-weight: 480;
}
.trust-line svg { width: 15px; height: 15px; color: var(--green); flex: none; }

.price-table {
  border: 1px solid var(--line-2); border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
}
.pt-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.pt { width: 100%; border-collapse: collapse; min-width: 660px; }
table.pt thead th {
  text-align: left; padding: 15px 22px;
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase; color: var(--txt-3);
  background: rgba(255,255,255,0.026);
  border-bottom: 1px solid var(--line-2);
  white-space: nowrap;
}
table.pt tbody td {
  padding: 17px 22px; border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
table.pt tbody tr:last-child td { border-bottom: none; }
table.pt tbody tr { transition: background .16s; }
table.pt tbody tr:hover { background: rgba(255,255,255,0.026); }

.pt-model { display: flex; align-items: center; gap: 12px; }
.pt-model img { width: 27px; height: 27px; border-radius: 7px; flex: none; object-fit: contain; }
.pt-mn { font-size: 14.5px; font-weight: 550; white-space: nowrap; }
.pt-mp { font-size: 12px; color: var(--txt-3); }

.pt-old {
  font-family: var(--mono); font-size: 13.5px; color: var(--txt-3);
  text-decoration: line-through; text-decoration-color: rgba(248,113,113,0.55);
  white-space: nowrap;
}
.pt-new { font-family: var(--mono); font-size: 14.5px; font-weight: 600; color: var(--txt); white-space: nowrap; }
.pt-unit { font-family: var(--mono); font-size: 11px; color: var(--txt-3); display: block; margin-top: 2px; }
.pt-save {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 100px; white-space: nowrap;
  background: rgba(52,211,153,0.12); border: 1px solid rgba(52,211,153,0.26);
  font-family: var(--mono); font-size: 12.5px; font-weight: 600; color: var(--green);
}
.pt-save svg { width: 11px; height: 11px; }

.price-note {
  padding: 15px 22px; font-size: 12px; color: var(--txt-3); line-height: 1.6;
  border-top: 1px solid var(--line); background: rgba(0,0,0,0.2);
}
.price-foot { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.price-updated { font-family: var(--mono); font-size: 12px; color: var(--txt-3); }

/* ═══════════════════════════════════════════════════════════════════════════
   Deploy 区（左侧工具列表 + 右侧配置代码）
   ═══════════════════════════════════════════════════════════════════════════ */
.deploy-grid { display: grid; grid-template-columns: 268px 1fr; gap: 24px; align-items: start; }

.dp-list {
  display: flex; flex-direction: column; gap: 4px;
  padding: 7px; border-radius: var(--r);
  background: rgba(255,255,255,0.022); border: 1px solid var(--line);
  position: sticky; top: 86px;
  max-height: calc(100vh - 120px); overflow-y: auto;
}
.dp-list::-webkit-scrollbar { width: 5px; }

.dp-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 13px; border-radius: 10px; width: 100%; text-align: left;
  transition: background .16s;
  position: relative;
}
.dp-item:hover { background: rgba(255,255,255,0.045); }
.dp-item.on { background: rgba(34,211,238,0.1); }
.dp-item.on::before {
  content: ''; position: absolute; left: 0; top: 50%;
  width: 2px; height: 20px; transform: translateY(-50%);
  background: var(--accent-1); border-radius: 0 2px 2px 0;
}
.dp-logo {
  width: 30px; height: 30px; flex: none; border-radius: 8px;
  background: var(--surface-3); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.dp-logo img { width: 18px; height: 18px; object-fit: contain; }
.dp-logo span { font-family: var(--mono); font-size: 12px; font-weight: 600; color: var(--accent-1); }
.dp-meta { min-width: 0; flex: 1; }
.dp-name { font-size: 14px; font-weight: 540; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dp-item.on .dp-name { color: var(--accent-1); }
.dp-vendor { font-size: 11.5px; color: var(--txt-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.dp-panel { display: none; }
.dp-panel.on { display: block; animation: fadeUp .28s ease-out; }

.dp-head {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 13px 18px; flex-wrap: wrap;
  border: 1px solid var(--line-2); border-bottom: none;
  border-radius: var(--r) var(--r) 0 0;
  background: rgba(255,255,255,0.026);
}
.dp-head-l { display: flex; align-items: center; gap: 10px; }
.dp-head-l b { font-size: 14.5px; font-weight: 570; }
.lang-tag {
  font-family: var(--mono); font-size: 10px; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 3px 7px; border-radius: 4px;
  background: rgba(255,255,255,0.06); color: var(--txt-3);
}
.dp-doc { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--txt-3); transition: color .16s; }
.dp-doc:hover { color: var(--accent-1); }
.dp-doc svg { width: 12px; height: 12px; }

.dp-panel .code-box { border-radius: 0 0 var(--r) var(--r); }

.dp-hint {
  display: flex; align-items: flex-start; gap: 10px; margin-top: 14px;
  padding: 13px 16px; border-radius: 10px;
  background: rgba(34,211,238,0.055); border: 1px solid rgba(34,211,238,0.16);
  font-size: 13.5px; color: var(--txt-2); line-height: 1.6;
}
.dp-hint svg { width: 15px; height: 15px; color: var(--accent-1); flex: none; margin-top: 2px; }
.dp-hint code {
  font-family: var(--mono); font-size: 12.5px;
  background: rgba(0,0,0,0.4); padding: 1px 6px; border-radius: 5px; color: var(--accent-1);
}

/* ═══════════════════════════════════════════════════════════════════════════
   企业能力特性卡
   ═══════════════════════════════════════════════════════════════════════════ */
.feat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(316px, 1fr)); gap: 17px; }
.feat {
  padding: 26px; border-radius: var(--r);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  transition: border-color .24s, transform .24s, box-shadow .24s;
}
.feat:hover {
  border-color: var(--line-glow); transform: translateY(-4px);
  box-shadow: 0 18px 40px -20px rgba(0,0,0,0.75);
}
.feat-ico {
  width: 42px; height: 42px; border-radius: 12px; margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(34,211,238,0.16), rgba(59,130,246,0.09));
  border: 1px solid rgba(34,211,238,0.22);
}
.feat-ico svg { width: 20px; height: 20px; color: var(--accent-1); }
.feat h3 { font-size: 16.5px; font-weight: 580; margin-bottom: 9px; letter-spacing: -0.016em; }
.feat p { font-size: 14.5px; color: var(--txt-2); line-height: 1.65; }

/* ═══════════════════════════════════════════════════════════════════════════
   架构图
   ═══════════════════════════════════════════════════════════════════════════ */
.arch {
  display: grid; grid-template-columns: 1fr 1.15fr 1fr; gap: 20px; align-items: center;
  padding: 40px 0;
}
.arch-col { display: flex; flex-direction: column; gap: 10px; }

.arch-node {
  padding: 13px 17px; border-radius: 11px;
  background: rgba(255,255,255,0.032); border: 1px solid var(--line);
  font-size: 14px; font-weight: 500; text-align: center;
  transition: border-color .3s, background .3s;
}
.arch-node.lit { border-color: rgba(34,211,238,0.45); background: rgba(34,211,238,0.09); }

.arch-hub {
  padding: 28px 24px; border-radius: var(--r-lg); text-align: center;
  background: radial-gradient(120% 100% at 50% 0%, rgba(34,211,238,0.16), transparent 62%), var(--surface-2);
  border: 1px solid rgba(34,211,238,0.32);
  box-shadow: 0 0 60px -18px rgba(34,211,238,0.35);
  position: relative;
}
.arch-hub-mark { width: 44px; height: 44px; margin: 0 auto 14px; }
.arch-hub-url {
  font-family: var(--mono); font-size: 13.5px; font-weight: 600;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 18px; word-break: break-all;
}
.arch-steps { display: flex; flex-direction: column; gap: 7px; text-align: left; }
.arch-step {
  display: flex; align-items: center; gap: 9px;
  font-size: 12.5px; color: var(--txt-2);
  font-family: var(--mono);
}
.arch-step i {
  width: 5px; height: 5px; border-radius: 50%; flex: none;
  background: var(--accent-1); opacity: .4;
  transition: opacity .3s, box-shadow .3s;
}
.arch-step.lit i { opacity: 1; box-shadow: 0 0 8px var(--accent-1); }

.arch-prov { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.arch-prov-item {
  aspect-ratio: 1; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.032); border: 1px solid var(--line);
  transition: border-color .3s, background .3s;
}
.arch-prov-item.lit { border-color: rgba(34,211,238,0.45); background: rgba(34,211,238,0.09); }
.arch-prov-item img { width: 26px; height: 26px; object-fit: contain; filter: grayscale(.3); }
.arch-prov-item.lit img { filter: none; }

.arch-label {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--txt-3);
  text-align: center; margin-bottom: 12px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   路线图
   ═══════════════════════════════════════════════════════════════════════════ */
.road { display: flex; flex-direction: column; gap: 0; max-width: 820px; }
.road-item {
  display: grid; grid-template-columns: 116px 30px 1fr; gap: 18px;
  padding: 20px 0; align-items: start;
}
.road-when {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .07em;
  text-transform: uppercase; color: var(--txt-3); padding-top: 4px; text-align: right;
}
.road-rail { position: relative; display: flex; justify-content: center; padding-top: 3px; }
.road-rail::after {
  content: ''; position: absolute; top: 24px; bottom: -24px; left: 50%;
  width: 1px; background: var(--line-2); transform: translateX(-50%);
}
.road-item:last-child .road-rail::after { display: none; }
.road-dot {
  width: 19px; height: 19px; border-radius: 50%; z-index: 1; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg); border: 1.5px solid var(--line-2);
}
.road-dot svg { width: 10px; height: 10px; }
.road-item.done .road-dot { border-color: var(--green); background: rgba(52,211,153,0.14); }
.road-item.done .road-dot svg { color: var(--green); }
.road-item.active .road-dot { border-color: var(--accent-1); background: rgba(34,211,238,0.14); }
.road-item.active .road-dot::after {
  content: ''; position: absolute; width: 19px; height: 19px; border-radius: 50%;
  border: 1.5px solid var(--accent-1);
  animation: roadPulse 2s ease-out infinite;
}
@keyframes roadPulse {
  0%   { transform: scale(1); opacity: .7; }
  100% { transform: scale(2.1); opacity: 0; }
}
.road-body h3 { font-size: 16px; font-weight: 560; margin-bottom: 5px; }
.road-body p { font-size: 14px; color: var(--txt-3); line-height: 1.6; }
.road-item.planned .road-body h3 { color: var(--txt-2); }

/* ═══════════════════════════════════════════════════════════════════════════
   FAQ（原生 details，无 JS 依赖 —— 爬虫能直接读到答案文本）
   ═══════════════════════════════════════════════════════════════════════════ */
.faq-list { max-width: 820px; }
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item summary {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 20px;
  padding: 22px 2px; cursor: pointer; list-style: none;
  font-size: 16.5px; font-weight: 540; letter-spacing: -0.014em;
  transition: color .16s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--accent-1); }
.faq-plus {
  width: 20px; height: 20px; flex: none; margin-top: 3px; position: relative;
  transition: transform .26s cubic-bezier(.2,.8,.2,1);
}
.faq-plus::before, .faq-plus::after {
  content: ''; position: absolute; left: 50%; top: 50%;
  background: var(--txt-3); border-radius: 1px;
  transform: translate(-50%, -50%);
  transition: opacity .24s, background .16s;
}
.faq-plus::before { width: 13px; height: 1.5px; }
.faq-plus::after  { width: 1.5px; height: 13px; }
.faq-item[open] .faq-plus { transform: rotate(90deg); }
.faq-item[open] .faq-plus::after { opacity: 0; }
.faq-item summary:hover .faq-plus::before,
.faq-item summary:hover .faq-plus::after { background: var(--accent-1); }
.faq-a {
  padding: 0 44px 24px 2px;
  font-size: 15px; color: var(--txt-2); line-height: 1.72;
  animation: fadeUp .26s ease-out;
}
.faq-a code {
  font-family: var(--mono); font-size: 13px;
  background: rgba(34,211,238,0.09); color: var(--accent-1);
  padding: 1px 6px; border-radius: 5px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   About + 最终 CTA
   ═══════════════════════════════════════════════════════════════════════════ */
.about-grid { display: grid; grid-template-columns: 268px 1fr; gap: 48px; align-items: start; }
.about-grid h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 640; letter-spacing: -0.028em; }
.about-body p { font-size: 15.5px; color: var(--txt-2); line-height: 1.78; }
.about-body p + p { margin-top: 18px; }

.final-cta {
  position: relative; overflow: hidden;
  border-radius: var(--r-lg);
  padding: 66px 40px; text-align: center;
  background:
    radial-gradient(90% 130% at 50% 0%, rgba(34,211,238,0.15), transparent 62%),
    linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line-2);
}
.final-cta::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(70% 60% at 50% 0%, #000, transparent 74%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 0%, #000, transparent 74%);
}
.final-cta > * { position: relative; z-index: 1; }
.final-cta h2 {
  font-size: clamp(26px, 3.8vw, 40px); font-weight: 650;
  letter-spacing: -0.032em; margin-bottom: 14px;
}
.final-cta p { font-size: 16.5px; color: var(--txt-2); max-width: 52ch; margin: 0 auto 30px; }
.final-cta .btns { display: flex; flex-wrap: wrap; gap: 13px; justify-content: center; }

/* ═══════════════════════════════════════════════════════════════════════════
   页脚
   ═══════════════════════════════════════════════════════════════════════════ */
footer { border-top: 1px solid var(--line); padding: 62px 0 34px; }
.foot-top { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 44px; margin-bottom: 48px; }

.foot-brand .logo { margin-bottom: 15px; }
.foot-tag { font-size: 14.5px; color: var(--txt-2); line-height: 1.65; max-width: 34ch; margin-bottom: 20px; }
.foot-social { display: flex; gap: 9px; }
.foot-social a {
  width: 34px; height: 34px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); color: var(--txt-3);
  transition: all .17s;
}
.foot-social a:hover { border-color: var(--line-glow); color: var(--accent-1); background: rgba(34,211,238,0.06); }
.foot-social svg { width: 16px; height: 16px; }

.foot-col h4 {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: .12em; text-transform: uppercase; color: var(--txt-3);
  margin-bottom: 15px;
}
.foot-col a {
  display: block; font-size: 14px; color: var(--txt-2);
  padding: 5px 0; transition: color .16s;
}
.foot-col a:hover { color: var(--accent-1); }

.foot-bot {
  padding-top: 26px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: space-between;
}
.foot-copy { font-size: 13px; color: var(--txt-3); }
.foot-data { font-size: 12.5px; color: var(--txt-3); opacity: .8; max-width: 52ch; }
.foot-pay { display: flex; gap: 7px; flex-wrap: wrap; }
.pay-chip {
  padding: 4px 10px; border-radius: 6px;
  border: 1px solid var(--line); background: rgba(255,255,255,0.026);
  font-family: var(--mono); font-size: 11px; color: var(--txt-3);
}

/* 复制成功提示 */
.toast {
  position: fixed; bottom: 28px; left: 50%; z-index: 300;
  transform: translateX(-50%) translateY(24px);
  padding: 12px 22px; border-radius: 100px;
  background: var(--surface-3); border: 1px solid rgba(52,211,153,0.36);
  font-size: 14px; font-weight: 500; color: var(--green);
  display: flex; align-items: center; gap: 9px;
  box-shadow: 0 14px 40px -12px rgba(0,0,0,0.8);
  opacity: 0; pointer-events: none;
  transition: opacity .22s, transform .22s;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast svg { width: 15px; height: 15px; }

/* 滚动淡入（IntersectionObserver 触发） */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .66s cubic-bezier(.2,.8,.2,1), transform .66s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .marquee-track { animation: none !important; }
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   响应式断点
   ───────────────────────────────────────────────────────────────────────────
   ⚠️ Google 用移动版页面来给你排名（mobile-first indexing），
      所以移动端布局不是"顺便适配"，而是决定排名的主要版本。
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── 笔记本 ── */
@media (max-width: 1120px) {
  .globe-wrap { right: -18%; width: min(760px, 70vw); height: min(760px, 70vw); opacity: .78; }
  .qs-grid { grid-template-columns: 1fr; }
  .arch { grid-template-columns: 1fr; gap: 26px; }
  .arch-prov { grid-template-columns: repeat(6, 1fr); }
  .arch-col { flex-direction: row; flex-wrap: wrap; justify-content: center; }
  .arch-node { flex: 1; min-width: 140px; }
  .foot-top { grid-template-columns: 1fr 1fr; gap: 34px; }
  .foot-brand { grid-column: 1 / -1; }
}

/* ── 平板 ── */
@media (max-width: 900px) {
  section { padding: 76px 0; }
  .wrap { padding: 0 22px; }
  .nav-in { padding: 0 22px; height: 60px; }
  .nav-mid, .nav-login { display: none; }
  .nav-burger { display: flex; }

  .hero { padding: 62px 0 72px; }
  .globe-wrap {
    /* 手机上把静态球移到右上角当装饰，不抢文字空间 */
    top: 4%; right: -34%; transform: none;
    width: 108vw; height: 108vw; opacity: .5;
  }
  .hero-in { max-width: 100%; }
  .hero-stats { gap: 22px 0; }
  .hstat { padding-right: 26px; margin-right: 26px; }

  .deploy-grid { grid-template-columns: 1fr; }
  .dp-list {
    position: static; max-height: none;
    flex-direction: row; overflow-x: auto; padding: 6px;
  }
  .dp-list::-webkit-scrollbar { height: 5px; }
  .dp-item { flex: none; min-width: 172px; }
  .dp-item.on::before { display: none; }

  .about-grid { grid-template-columns: 1fr; gap: 22px; }
  .spot-card { padding: 30px 24px; }
  .final-cta { padding: 48px 26px; }
  .road-item { grid-template-columns: 22px 1fr; gap: 14px; }
  .road-when {
    grid-column: 2; text-align: left; padding-top: 0; margin-bottom: 4px;
    grid-row: 1;
  }
  .road-rail { grid-row: 1 / span 2; }
  .road-body { grid-column: 2; }
}

/* ── 手机 ── */
@media (max-width: 640px) {
  body { font-size: 15px; }
  section { padding: 62px 0; }
  .wrap { padding: 0 18px; }
  .nav-in { padding: 0 18px; }
  .nav-mobile { padding: 8px 18px 20px; }

  h1 { font-size: clamp(31px, 9vw, 42px); letter-spacing: -0.03em; }
  .hero-sub { font-size: 15.5px; }
  .hero-cta { gap: 10px; }
  .hero-cta .btn { flex: 1; min-width: 148px; }
  .sec-head h2 { font-size: clamp(24px, 7vw, 30px); }
  .sec-head p { font-size: 15px; }
  .sec-head { margin-bottom: 34px; }

  .hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .hstat { padding-right: 0; margin-right: 0; border-right: none; }
  .hstat-v { font-size: 22px; }

  .code-body { font-size: 11.8px; padding: 14px 15px; }
  .model-grid { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
  .feat { padding: 21px; }
  .spot-grid { grid-template-columns: 1fr; }
  .spot-title h2 { font-size: 26px; }
  .arch-prov { grid-template-columns: repeat(3, 1fr); }
  .foot-top { grid-template-columns: 1fr; gap: 28px; }
  .faq-item summary { font-size: 15.5px; padding: 19px 2px; gap: 14px; }
  .faq-a { padding: 0 30px 20px 2px; font-size: 14.5px; }
  .final-cta h2 { font-size: 26px; }
  .final-cta .btns .btn { flex: 1; min-width: 160px; }
  .trust-line { font-size: 12.5px; padding: 8px 14px; }
  table.pt thead th, table.pt tbody td { padding: 13px 16px; }
}

/* ── 打印（有人会打印技术文档，别浪费墨） ── */
@media print {
  body { background: #fff; color: #000; }
  .nav, .globe-wrap, .final-cta, .marquee, footer { display: none; }
  section { padding: 20px 0; page-break-inside: avoid; }
  .faq-a { display: block !important; }
}