/* ==========================================================================
   1+2+N 安睿智枢 · 产品站
   设计语言与主站应用一致：中性为底、细线分层、留白建立秩序，
   强调色固定国家电投绿 #00833E；排版参照 Apple 产品页的节奏（大字号、紧字距、宽留白）。
   ========================================================================== */

/* ── 1. 设计令牌 ───────────────────────────────────────────── */
:root {
  color-scheme: light;

  --canvas:        #f6f7f8;
  --surface:       #ffffff;
  --surface-2:     #fafbfc;
  --tint:          #f1f3f5;

  --ink:           #14161a;
  --ink-2:         #4a515b;
  --ink-3:         #666d78;

  --line:          #e5e8ec;
  --line-soft:     #eef0f3;
  --line-strong:   #d3d8de;

  --accent:        #00833e;
  --accent-ink:    #006b32;
  --accent-wash:   rgba(0, 131, 62, .07);
  --accent-wash-2: rgba(0, 131, 62, .14);
  --on-accent:     #ffffff;

  --shadow-sm:     0 1px 2px rgba(20, 24, 32, .04);
  --shadow-md:     0 6px 22px rgba(20, 24, 32, .07);
  --shadow-lg:     0 26px 70px rgba(20, 24, 32, .13);

  --r-sm: 6px; --r-md: 9px; --r-lg: 14px; --r-xl: 20px; --r-pill: 999px;

  --nav-h: 58px;
  --wrap: 1120px;
  --ease: cubic-bezier(.2, .7, .3, 1);
  --t: 180ms var(--ease);

  --font: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI Variable Display",
          "Segoe UI", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI",
          "Microsoft YaHei", system-ui, sans-serif;
  --mono: "SF Mono", "Cascadia Mono", "JetBrains Mono", Consolas, "Courier New", monospace;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --canvas:        #0f1113;
  --surface:       #191c20;
  --surface-2:     #1e2126;
  --tint:          #14171a;

  --ink:           #f4f6f9;
  --ink-2:         #c3cbd6;
  --ink-3:         #9aa3af;

  --line:          #2a2e35;
  --line-soft:     #23272d;
  --line-strong:   #3a4049;

  --accent:        #22b169;
  --accent-ink:    #4cd08c;
  --accent-wash:   rgba(34, 177, 105, .13);
  --accent-wash-2: rgba(34, 177, 105, .24);
  --on-accent:     #07130c;

  --shadow-sm:     0 1px 2px rgba(0, 0, 0, .3);
  --shadow-md:     0 8px 26px rgba(0, 0, 0, .34);
  --shadow-lg:     0 30px 80px rgba(0, 0, 0, .5);
}

/* ── 2. 基础 ───────────────────────────────────────────────── */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -.02em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
code { font-family: var(--mono); font-size: .88em; }

::selection { background: var(--accent-wash-2); }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: var(--on-accent); padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; }

/* ── 3. 导航 ───────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  background: color-mix(in srgb, var(--canvas) 78%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t), background var(--t);
}
.nav.is-stuck { border-bottom-color: var(--line); }
.nav-in {
  height: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 28px;
}

.brand { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center;
  background: var(--accent); color: #fff; flex: 0 0 auto;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .12);
}
.brand-mark svg { width: 17px; height: 17px; }
.brand-txt { display: flex; flex-direction: column; line-height: 1.15; }
.brand-txt b { font-size: 14px; font-weight: 600; letter-spacing: -.01em; }
.brand-txt i { font-size: 11px; font-style: normal; color: var(--ink-3); letter-spacing: .01em; }

.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-links a {
  font-size: 13.5px; color: var(--ink-2); padding: 7px 12px; border-radius: var(--r-pill);
  transition: color var(--t), background var(--t);
}
.nav-links a:hover { color: var(--ink); background: var(--accent-wash); }

.nav-act { display: flex; align-items: center; gap: 8px; margin-left: 4px; }
.icon-btn {
  width: 34px; height: 34px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: var(--r-pill);
  background: var(--surface); color: var(--ink-2); cursor: pointer;
  transition: color var(--t), border-color var(--t), background var(--t);
}
.icon-btn:hover { color: var(--ink); border-color: var(--line-strong); }
.icon-btn svg { width: 17px; height: 17px; }
.icon-btn .i-moon { display: none; }
html[data-theme="dark"] .icon-btn .i-sun { display: none; }
html[data-theme="dark"] .icon-btn .i-moon { display: block; }

/* ── 4. 按钮 ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 20px; border-radius: var(--r-pill);
  font-size: 14px; font-weight: 550; letter-spacing: -.005em;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform var(--t), background var(--t), border-color var(--t), box-shadow var(--t);
}
.btn svg { width: 17px; height: 17px; }
.btn-primary { background: var(--accent); color: var(--on-accent); box-shadow: 0 1px 2px rgba(0, 0, 0, .1); }
.btn-primary:hover { background: var(--accent-ink); transform: translateY(-1px); box-shadow: var(--shadow-md); }
html[data-theme="dark"] .btn-primary:hover { background: #2cc478; }
.btn-ghost { background: var(--surface); color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--line-strong); transform: translateY(-1px); }
.btn-sm { height: 34px; padding: 0 15px; font-size: 13px; }
.btn-lg { height: 46px; padding: 0 26px; font-size: 15px; }

/* ── 5. 首屏 ───────────────────────────────────────────────── */
.hero { position: relative; padding: 84px 0 0; overflow: clip; }
.hero-glow {
  position: absolute; inset: -220px 0 auto; height: 620px; pointer-events: none;
  background:
    radial-gradient(58% 60% at 50% 42%, var(--accent-wash-2), transparent 70%),
    radial-gradient(38% 46% at 74% 26%, rgba(0, 131, 62, .06), transparent 72%);
  filter: blur(6px);
}
.hero-wrap { position: relative; text-align: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; color: var(--ink-3); letter-spacing: .02em;
  margin-bottom: 22px;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-wash);
}

.hero-h1 {
  font-size: clamp(34px, 5.4vw, 64px);
  line-height: 1.08; letter-spacing: -.038em; font-weight: 600;
  max-width: 16em; margin: 0 auto;
}
.hero-lede {
  margin: 24px auto 0; max-width: 660px;
  font-size: clamp(15px, 1.35vw, 18px); line-height: 1.72; color: var(--ink-2);
}
.hero-cta { display: flex; justify-content: center; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.hero-note {
  margin: 18px auto 0; max-width: 620px;
  font-size: 12.5px; line-height: 1.7; color: var(--ink-3);
}
.hero-note a { color: var(--accent); border-bottom: 1px solid transparent; transition: border-color var(--t); }
.hero-note a:hover { border-bottom-color: currentColor; }

.hero-meta {
  display: flex; justify-content: center; align-items: center; gap: 8px 22px;
  margin-top: 26px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--ink-3);
}
.hero-meta li { position: relative; padding-left: 0; }
.hero-meta li + li::before {
  content: ""; position: absolute; left: -12px; top: 50%; width: 3px; height: 3px;
  border-radius: 50%; background: var(--line-strong); transform: translateY(-50%);
}
.hero-meta b { color: var(--ink-2); font-weight: 600; }

.hero-shot { margin: 56px auto 0; max-width: 1000px; }
.shot-frame {
  border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden;
  background: var(--surface); box-shadow: var(--shadow-lg);
}
.shot-bar {
  height: 34px; display: flex; align-items: center; gap: 7px; padding: 0 14px;
  background: var(--surface-2); border-bottom: 1px solid var(--line-soft);
}
.shot-bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); }
.shot-bar span {
  margin-left: 10px; font-size: 11.5px; color: var(--ink-3); letter-spacing: .01em;
}
.hero-shot img { width: 100%; height: auto; }
figcaption {
  margin-top: 14px; text-align: center; font-size: 12.5px; color: var(--ink-3);
}

/* ── 6. 数字 ───────────────────────────────────────────────── */
.stats { padding: 64px 0 8px; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.stat { padding: 30px 26px 30px 0; }
.stat + .stat { padding-left: 26px; border-left: 1px solid var(--line); }
.stat b {
  display: block; font-size: clamp(26px, 2.6vw, 34px); font-weight: 600;
  letter-spacing: -.03em; line-height: 1.1; font-variant-numeric: tabular-nums;
}
.stat span { display: block; margin-top: 4px; font-size: 13px; color: var(--ink-2); }
.stat i { display: block; margin-top: 8px; font-style: normal; font-size: 12px; color: var(--ink-3); line-height: 1.5; }

/* ── 7. 区块通用 ───────────────────────────────────────────── */
.sec { padding: 104px 0; }
.sec-tint { background: var(--tint); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }

.sec-head { max-width: 720px; margin-bottom: 56px; }
.sec-h2 {
  font-size: clamp(27px, 3.4vw, 42px); line-height: 1.14; letter-spacing: -.032em; font-weight: 600;
}
.sec-lede { margin-top: 18px; font-size: 15.5px; line-height: 1.75; color: var(--ink-2); }

/* ── 8. 亮点卡片 ───────────────────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 24px 22px 20px; display: flex; flex-direction: column;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.card-ico {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: var(--accent-wash); color: var(--accent-ink); margin-bottom: 16px;
}
.card-ico svg { width: 19px; height: 19px; }
.card h3 { font-size: 15.5px; letter-spacing: -.015em; margin-bottom: 10px; line-height: 1.4; }
.card p { font-size: 13.5px; line-height: 1.72; color: var(--ink-2); }
.card p code {
  background: var(--tint); padding: 1px 5px; border-radius: 4px; font-size: .9em;
}
.card-foot {
  margin-top: auto; padding-top: 14px; font-size: 11.5px !important;
  color: var(--ink-3) !important; letter-spacing: .005em;
}

/* ── 9. 1+2+N ──────────────────────────────────────────────── */
.tri { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); }
.tri-item { padding: 32px 30px 8px 0; }
.tri-item + .tri-item { padding-left: 30px; border-left: 1px solid var(--line); }
.tri-no {
  display: inline-block; vertical-align: baseline; margin: 0 10px 0 0;
  font-size: 52px; font-weight: 600; line-height: 1; letter-spacing: -.04em;
  color: var(--accent); font-variant-numeric: tabular-nums;
}
.tri-item h3 { display: inline; font-size: 14px; color: var(--ink-2); font-weight: 500; }
.tri-t { margin-top: 14px; font-size: 18px; font-weight: 600; letter-spacing: -.02em; }
.tri-item p:last-child { margin-top: 12px; font-size: 13.5px; line-height: 1.75; color: var(--ink-2); }

/* 风险主线六阶段 */
.life { margin-top: 64px; padding-top: 4px; }
.life-title {
  font-size: 12.5px; color: var(--ink-3); letter-spacing: .02em; margin-bottom: 22px;
}
.life-track {
  display: grid; grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid var(--line-strong); position: relative;
}
.life-track li { padding: 26px 16px 0 0; position: relative; }
.life-track li::before {
  content: ""; position: absolute; top: -4.5px; left: 0; width: 8px; height: 8px;
  border-radius: 50%; background: var(--surface); border: 1.6px solid var(--accent);
}
.life-track li:first-child::before { background: var(--accent); }
.life-track b {
  display: block; font-size: 11.5px; font-weight: 600; color: var(--accent-ink);
  letter-spacing: .04em; margin-bottom: 6px; font-variant-numeric: tabular-nums;
}
.life-track span { display: block; font-size: 14.5px; font-weight: 600; letter-spacing: -.015em; }
.life-track i {
  display: block; margin-top: 6px; font-style: normal;
  font-size: 11.5px; line-height: 1.6; color: var(--ink-3);
}
.life-note { margin-top: 26px; font-size: 12.5px; color: var(--ink-3); }

/* ── 10. 图文分栏 ──────────────────────────────────────────── */
.split {
  display: grid; grid-template-columns: 1fr 1.18fr; gap: 56px; align-items: center;
  padding: 34px 0;
}
.split-rev .split-txt { order: 2; }
.split-rev .split-shot { order: 1; }
.split-txt h3 { font-size: clamp(20px, 2vw, 25px); letter-spacing: -.025em; line-height: 1.3; }
.split-txt > p { margin-top: 14px; font-size: 14.5px; line-height: 1.8; color: var(--ink-2); }
.split-shot img {
  width: 100%; height: auto; border-radius: var(--r-md);
  border: 1px solid var(--line); box-shadow: var(--shadow-md); background: var(--surface);
}
.split-shot figcaption { text-align: left; }

.ticks { margin-top: 20px; display: grid; gap: 10px; }
.ticks li {
  position: relative; padding-left: 26px; font-size: 14px; line-height: 1.7; color: var(--ink-2);
}
.ticks li b { color: var(--ink); font-weight: 600; }
.ticks li::before {
  content: ""; position: absolute; left: 2px; top: .58em;
  width: 13px; height: 13px; border-radius: 50%;
  background: var(--accent-wash-2);
}
.ticks li::after {
  content: ""; position: absolute; left: 6px; top: .86em;
  width: 5px; height: 3px; border-left: 1.6px solid var(--accent-ink);
  border-bottom: 1.6px solid var(--accent-ink); transform: rotate(-45deg);
}

.two-shots { display: grid; grid-template-columns: 1.05fr .95fr; gap: 24px; align-items: start; margin-top: 44px; }
.two-shots figure img {
  width: 100%; height: auto; border-radius: var(--r-md);
  border: 1px solid var(--line); box-shadow: var(--shadow-sm); background: var(--surface);
}
.two-shots figcaption { text-align: left; }

.spec-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 26px 26px 22px; height: 100%;
}
.spec-card h3 { font-size: 16px; margin-bottom: 16px; }
.spec-card dl { margin: 0; display: grid; gap: 0; }
.spec-card dl > div {
  display: grid; grid-template-columns: 62px 1fr; gap: 14px;
  padding: 11px 0; border-top: 1px solid var(--line-soft); font-size: 13px;
}
.spec-card dl > div:first-child { border-top: 0; padding-top: 0; }
.spec-card dt { color: var(--ink-3); }
.spec-card dd { margin: 0; color: var(--ink-2); line-height: 1.65; }
.spec-actions { display: flex; align-items: center; gap: 14px; margin-top: 20px; flex-wrap: wrap; }
.muted { font-size: 12.5px; color: var(--ink-3); }

/* ── 11. 平板版 ────────────────────────────────────────────── */
.pad-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; align-items: center; }
.pad-shot img {
  width: 100%; height: auto; border-radius: var(--r-lg);
  border: 1px solid var(--line); box-shadow: var(--shadow-lg); background: var(--surface);
}
.pad-shot figcaption { text-align: left; }
.pad-list h3 { font-size: 22px; letter-spacing: -.025em; }
.pad-note {
  margin-top: 18px; padding: 12px 14px; border-radius: var(--r-md);
  background: var(--accent-wash); color: var(--accent-ink); font-size: 12.5px; line-height: 1.7;
}
.pad-bottom { margin-top: 44px; }
.pad-bottom figure img {
  width: 100%; height: auto; border-radius: var(--r-lg);
  border: 1px solid var(--line); box-shadow: var(--shadow-md); background: var(--surface);
}

/* ── 12. 手机版 ────────────────────────────────────────────── */
.phone-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 56px; align-items: center; }
.phone-visual { display: flex; justify-content: center; }
.phone {
  position: relative; width: 268px; height: 528px; border-radius: 40px;
  background: linear-gradient(160deg, #23262b, #101215);
  padding: 10px; box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, .06);
}
.phone-notch {
  position: absolute; left: 50%; top: 16px; transform: translateX(-50%);
  width: 74px; height: 18px; border-radius: var(--r-pill); background: #0b0d0f; z-index: 2;
}
.phone-screen {
  width: 100%; height: 100%; border-radius: 31px; background: #fff;
  overflow: hidden; display: flex; flex-direction: column; padding: 40px 14px 14px; gap: 10px;
}
.ph-head {
  display: flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 600;
  color: #14161a; padding-bottom: 8px; border-bottom: 1px solid #eef0f3;
}
.ph-head .ph-dot { width: 6px; height: 6px; border-radius: 50%; background: #00833e; }
.ph-head i { margin-left: auto; font-style: normal; font-size: 9.5px; color: #00833e; font-weight: 500; }
.ph-msg { font-size: 11.5px; line-height: 1.6; padding: 9px 11px; border-radius: 12px; }
.ph-msg.me { align-self: flex-end; background: #00833e; color: #fff; border-bottom-right-radius: 4px; max-width: 88%; }
.ph-msg.ai { background: #f4f5f7; color: #24272c; border-bottom-left-radius: 4px; }
.ph-chip {
  display: inline-block; margin: 6px 4px 0 0; padding: 2px 7px; border-radius: var(--r-pill);
  background: #fff; border: 1px solid #e5e8ec; font-size: 9.5px; color: #4a515b;
}
.ph-bar {
  margin-top: auto; display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px; border-radius: var(--r-pill); background: #f4f5f7;
  font-size: 11px; color: #666d78;
}
.ph-bar b {
  width: 24px; height: 24px; border-radius: 50%; background: #00833e; color: #fff;
  display: grid; place-items: center; font-size: 12px;
}

.phone-list h3 { font-size: 22px; letter-spacing: -.025em; }
.phone-meta { display: flex; gap: 16px; margin: 22px 0 18px; font-size: 12.5px; color: var(--ink-3); }

/* ── 13. 下载 ──────────────────────────────────────────────── */
.dl-grid { display: grid; grid-template-columns: 1.28fr 1fr; gap: 14px; }
.dl-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 26px; display: flex; flex-direction: column;
}
.dl-main { grid-row: span 2; }
.dl-head { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 20px; }
.dl-ico {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; flex: 0 0 auto;
  background: var(--accent-wash); color: var(--accent-ink);
}
.dl-ico svg { width: 20px; height: 20px; }
.dl-head h3 { font-size: 16px; letter-spacing: -.015em; }
.dl-head p { margin-top: 4px; font-size: 12.5px; color: var(--ink-3); line-height: 1.6; }

.dl-rows { display: grid; gap: 8px; }
.dl-row {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 13px 15px; border: 1px solid var(--line); border-radius: var(--r-md);
  background: var(--surface-2); transition: border-color var(--t), background var(--t), transform var(--t);
}
.dl-row:hover { border-color: var(--accent); background: var(--accent-wash); transform: translateX(2px); }
.dl-row-l { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.dl-row-l b { font-size: 14px; font-weight: 600; }
.dl-row-l i { font-style: normal; font-size: 11.5px; color: var(--ink-3); line-height: 1.5; }
.dl-row-r { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.dl-row-r em { font-style: normal; font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.dl-row-r svg { width: 18px; height: 18px; color: var(--accent-ink); }
.dl-foot { margin-top: auto; padding-top: 16px; font-size: 11.5px; color: var(--ink-3); }
.dl-include {
  margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line-soft);
  display: grid; gap: 7px;
}
.dl-include li {
  position: relative; padding-left: 14px; font-size: 11.5px; line-height: 1.6; color: var(--ink-3);
}
.dl-include li::before {
  content: ""; position: absolute; left: 0; top: .62em; width: 4px; height: 4px;
  border-radius: 50%; background: var(--accent); opacity: .55;
}
.tag {
  display: inline-block; margin-left: 4px; padding: 0 6px; border-radius: 4px;
  font-style: normal; font-size: 10.5px; font-weight: 500; line-height: 16px;
  color: var(--accent-ink); background: var(--accent-wash-2); vertical-align: 1px;
}

.web-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 14px 20px;
  margin-top: 14px; padding: 16px 22px;
  background: var(--accent-wash); border: 1px solid var(--line);
  border-radius: var(--r-lg); flex-wrap: wrap;
}
.web-cta span { font-size: 13px; color: var(--ink-2); line-height: 1.6; }

/* 链路状态：直连 / 公网中转 */
.link-tip {
  display: flex; align-items: flex-start; gap: 12px;
  margin-top: 14px; padding: 15px 20px;
  background: var(--surface); border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  border-radius: var(--r-lg);
}
.link-tip[hidden] { display: none; }
.link-tip.is-relay { border-left-color: #C77A12; }
.link-tip.is-direct { border-left-color: var(--accent); }
.link-ico { flex: 0 0 auto; color: var(--ink-3); margin-top: 1px; }
.link-ico svg { width: 17px; height: 17px; }
.link-tip.is-relay .link-ico { color: #C77A12; }
.link-tip.is-direct .link-ico { color: var(--accent); }
.link-txt { flex: 1 1 auto; min-width: 0; }
.link-txt b { display: block; font-size: 13px; font-weight: 600; margin-bottom: 3px; }
.link-txt i { display: block; font-style: normal; font-size: 12.5px; line-height: 1.7; color: var(--ink-2); }
.link-badge {
  flex: 0 0 auto; align-self: center;
  font-size: 11.5px; font-weight: 600; letter-spacing: .01em;
  padding: 4px 10px; border-radius: var(--r-pill); white-space: nowrap;
  background: var(--tint); color: var(--ink-3);
}
.link-tip.is-relay .link-badge { background: rgba(199, 122, 18, .12); color: #A9650B; }
.link-tip.is-direct .link-badge { background: var(--accent-wash); color: var(--accent-ink); }
html[data-theme="dark"] .link-tip.is-relay .link-badge { background: rgba(230, 160, 60, .16); color: #E8A94A; }
html[data-theme="dark"] .link-tip.is-relay .link-ico { color: #E8A94A; }
html[data-theme="dark"] .link-tip.is-relay { border-left-color: #E8A94A; }

.verify {
  margin-top: 14px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 28px;
}
.verify > h3 { font-size: 15px; margin-bottom: 20px; }
.verify-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.verify-grid h4 { font-size: 13px; margin-bottom: 6px; }
.verify-grid p { font-size: 12.5px; line-height: 1.7; color: var(--ink-2); }
.verify-grid code { background: var(--tint); padding: 1px 5px; border-radius: 4px; }

.hash-table { margin-top: 26px; border-top: 1px solid var(--line-soft); }
.hash-row {
  display: grid; grid-template-columns: 1.15fr .34fr 2.1fr; gap: 16px;
  padding: 11px 0; border-bottom: 1px solid var(--line-soft);
  font-size: 12px; align-items: baseline;
}
.hash-head { color: var(--ink-3); font-size: 11px; letter-spacing: .02em; }
.hash-row code {
  font-size: 11px; color: var(--ink-2); word-break: break-all; line-height: 1.5;
}
.verify-note { margin-top: 16px; font-size: 12px; color: var(--ink-3); line-height: 1.7; }

/* 版本同步状态 + 新版本提示 */
.ver-sync {
  margin-top: 14px; display: inline-flex; align-items: center; gap: 7px;
  font-size: 12px; color: var(--ink-3);
}
.ver-sync::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash);
}
.ver-toast {
  position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 16px);
  z-index: 60; max-width: calc(100vw - 40px);
  padding: 11px 18px; border-radius: var(--r-pill);
  background: var(--ink); color: var(--canvas);
  font-size: 13px; line-height: 1.4; letter-spacing: -.005em;
  box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none;
  transition: opacity 240ms var(--ease), transform 240ms var(--ease);
}
.ver-toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ── 14. 更新日志 ──────────────────────────────────────────── */.log { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.log-item {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 22px;
}
.log-meta { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.log-meta b { font-size: 14px; }
.log-meta span {
  font-size: 11.5px; color: var(--accent-ink); background: var(--accent-wash);
  padding: 1px 7px; border-radius: var(--r-pill); font-variant-numeric: tabular-nums;
}
.log-meta i { font-style: normal; font-size: 11.5px; color: var(--ink-3); margin-left: auto; }
.log-item ul { display: grid; gap: 7px; }
.log-item li {
  position: relative; padding-left: 13px; font-size: 12.5px; line-height: 1.65; color: var(--ink-2);
}
.log-item li::before {
  content: ""; position: absolute; left: 0; top: .62em; width: 4px; height: 4px;
  border-radius: 50%; background: var(--line-strong);
}

/* ── 15. 页脚 ──────────────────────────────────────────────── */
.foot { border-top: 1px solid var(--line); padding: 44px 0 56px; background: var(--surface-2); }
.foot-in { display: grid; grid-template-columns: 1fr auto; gap: 20px 40px; align-items: start; }
.foot-brand { display: flex; gap: 10px; align-items: center; }
.foot-brand b { display: block; font-size: 13.5px; }
.foot-brand i { display: block; font-style: normal; font-size: 11.5px; color: var(--ink-3); margin-top: 2px; }
.foot-links { display: flex; gap: 20px; font-size: 12.5px; color: var(--ink-2); flex-wrap: wrap; }
.foot-links a:hover { color: var(--accent-ink); }
.foot-note {
  grid-column: 1 / -1; font-size: 11.5px; color: var(--ink-3); line-height: 1.7;
  max-width: 720px; padding-top: 18px; border-top: 1px solid var(--line);
}

/* ── 16. 入场动画 ──────────────────────────────────────────── */
[data-reveal] { opacity: 0; transform: translateY(14px); }
[data-reveal].in {
  opacity: 1; transform: none;
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .card:hover, .dl-row:hover, .btn:hover { transform: none; }
}

/* ── 17. 响应式 ────────────────────────────────────────────── */
@media (max-width: 1080px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .nav-links { display: none; }
  .nav-act { margin-left: auto; }
}

@media (max-width: 900px) {
  .sec { padding: 76px 0; }
  .hero { padding-top: 56px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .split, .pad-grid, .phone-grid, .two-shots, .dl-grid { grid-template-columns: 1fr; gap: 28px; }
  .split-rev .split-txt { order: 0; }
  .split-rev .split-shot { order: 0; }
  .dl-main { grid-row: auto; }
  .verify-grid, .log { grid-template-columns: 1fr; }
  .tri { grid-template-columns: 1fr; }
  .tri-item, .tri-item + .tri-item {
    padding: 24px 0; border-left: 0; border-top: 1px solid var(--line);
  }
  .tri-item:first-child { border-top: 0; padding-top: 0; }
  .br-pc { display: none; }
  .life-track { grid-template-columns: repeat(3, 1fr); row-gap: 18px; border-top: 0; }
  .life-track li { border-top: 1px solid var(--line-strong); padding-top: 20px; padding-right: 14px; }
  .life-track li::before { top: -4.5px; }
  .hash-row { grid-template-columns: 1fr; gap: 4px; }
  .hash-head { display: none; }
  .foot-in { grid-template-columns: 1fr; }
  .phone-grid { gap: 36px; }
  .phone-visual { order: 2; }
}

@media (max-width: 620px) {
  .wrap { padding: 0 18px; }
  .nav-in { padding: 0 18px; gap: 12px; }
  .brand-txt i { display: none; }
  .cards { grid-template-columns: 1fr; }
  .life-track { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: 1fr; }
  .stat, .stat + .stat { border-left: 0; padding-left: 0; }
  .stat + .stat { border-top: 1px solid var(--line); }
  .hero-meta { gap: 6px 14px; font-size: 11.5px; }
  .hero-meta li + li::before { left: -8px; }
  .hero-cta { flex-direction: column; align-items: center; gap: 10px; }
  .hero-cta .btn { width: 100%; max-width: 300px; }
  .web-cta { flex-direction: column; align-items: stretch; text-align: center; }
  .web-cta .btn { width: 100%; }
  .sec-head { margin-bottom: 36px; }
  .dl-card, .verify, .spec-card { padding: 20px 18px; }
  .dl-row { flex-direction: column; align-items: flex-start; gap: 8px; }
  .dl-row-r { width: 100%; justify-content: space-between; }
  .hash-row code { font-size: 10px; }
  .phone { width: 240px; height: 474px; }
}