/* 秀虎GEO 品牌首页 · 独立样式（不依赖 style.css，与控制台互不影响）

   主题：墨蓝纸白 × 虎橙；签名元素=王字虎头与斜向虎纹

   v3：整页重构——不对称 bento / 同题五平台演示 / 时间轴 / 对照 / 自检；

       修复主按钮对比度（浅 #C2410C+白 5.18:1 / 深 #F0742B+墨蓝 5.51:1）；

       .reveal 改为 JS 才加隐藏态（html.js 前缀），无 JS 时内容始终可见 */

:root {

  color-scheme: light;

  --hp-bg: #FAFAF7;         /* 暖白纸 */

  --hp-panel: #FFFFFF;      /* 卡面 */

  --hp-panel2: #F4F3EE;     /* 卡内嵌底 */

  --hp-chip: #F1EFE8;       /* 药丸/芯片底 */

  --hp-ink: #16233F;        /* 墨蓝正文 */

  --hp-muted: #4E5D77;      /* 雾蓝灰（比 v2 加深，保 6:1+） */

  --hp-line: #E8E4DC;       /* 暖色细线 */

  --hp-tiger: #E8590C;      /* 虎橙（大字号/装饰用） */

  --hp-tiger-deep: #C2410C; /* 虎橙深（小字号文字/按钮底，白字 5.18:1） */

  --hp-tiger-soft: #FDEEE3; /* 虎橙浅底 */

  --hp-amber: #F5A623;      /* 琥珀 */

  --hp-navy: #14213D;       /* 深墨蓝（CTA 带） */

  --hp-navy-ink: #EDF1F8;   /* 深底上的文字 */

  --hp-good: #2F9E44;

  --hp-good-soft: #E4F3E7;

  --hp-good-ink: #226B33;

  --hp-btn: #C2410C;        /* 主按钮（浅色主题） */

  --hp-btn-hover: #B03E05;

  --hp-btn-fg: #FFFFFF;

  --hp-accent-text: #C2410C;/* 小号虎色文字（eyebrow/标签） */

  --hp-shadow: 0 18px 44px -18px rgba(20, 33, 61, .22);

}

html[data-theme="dark"] {

  color-scheme: dark;

  --hp-bg: #0C1424;

  --hp-panel: #121D33;

  --hp-panel2: #0F1930;

  --hp-chip: #1B2947;

  --hp-ink: #E8ECF4;

  --hp-muted: #97A5C0;

  --hp-line: #223254;

  --hp-tiger: #F0742B;

  --hp-tiger-deep: #FF8A42;

  --hp-tiger-soft: #2A1D12;

  --hp-navy: #0F1B33;

  --hp-navy-ink: #EDF1F8;

  --hp-good: #51CF66;

  --hp-good-soft: #1C3324;

  --hp-good-ink: #7BD88F;

  --hp-btn: #F0742B;        /* 主按钮（深色主题：虎橙底+墨蓝字 5.51:1） */

  --hp-btn-hover: #FF8A42;

  --hp-btn-fg: #14213D;

  --hp-accent-text: #F89B5D;

  --hp-shadow: 0 18px 44px -18px rgba(0, 0, 0, .6);

}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body.hp {

  margin: 0; background: var(--hp-bg); color: var(--hp-ink);

  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;

  font-size: 15.5px; line-height: 1.75;

  -webkit-font-smoothing: antialiased;

}

.hp-serif { font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", SimSun, Georgia, serif; }

.hp-mono { font-family: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, "Courier New", monospace; }

/* 04b_03 像素字体（作者 Yuji Oshimoto，作者站 FAQ 明示私用商用皆自由、禁转卖字体文件） */

@font-face {

  font-family: "04b_03";

  src: url("/static/assets/fonts/04b_03.woff2") format("woff2"), url("/static/assets/fonts/04b_03.ttf") format("truetype");

  font-display: swap;

}

.hp-pix { font-family: "04b_03", ui-monospace, Consolas, monospace; font-size: 16px; line-height: 1; letter-spacing: .5px; text-transform: uppercase; }

.hp-wrap { max-width: 1120px; margin: 0 auto; padding: 0 28px; }

.hp a { color: inherit; }

main { display: block; }

section { scroll-margin-top: 84px; }

img { max-width: 100%; }



/* ---------- 顶部导航 ---------- */

.hp-nav {

  position: sticky; top: 0; z-index: 50;

  background: color-mix(in srgb, var(--hp-bg) 88%, transparent);

  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);

  border-bottom: 1px solid var(--hp-line);

}

.hp-nav-in { display: flex; align-items: center; gap: 24px; height: 64px; }

.hp-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 17px; letter-spacing: .5px; }

.hp-brand svg { display: block; }

.hp-brand .geo { color: var(--hp-tiger); }

.hp-menu { display: flex; gap: 2px; margin-left: 4px; }

.hp-menu a { text-decoration: none; color: var(--hp-muted); font-size: 14px; padding: 8px 13px; border-radius: 8px; transition: color .15s, background .15s; }

.hp-menu a:hover { color: var(--hp-ink); background: var(--hp-chip); }

.hp-menu a.is-active { color: var(--hp-ink); background: var(--hp-chip); }

.hp-nav-cta { margin-left: auto; display: flex; align-items: center; gap: 12px; }

.hp-link-plain { text-decoration: none; color: var(--hp-muted); font-size: 14px; padding: 8px 4px; }

.hp-link-plain:hover { color: var(--hp-ink); }

.hp-theme { background: var(--hp-chip); color: var(--hp-ink); border: 1px solid var(--hp-line); border-radius: 8px; padding: 7px 12px; font-size: 12.5px; cursor: pointer; }

.hp-theme:hover { border-color: var(--hp-ink); }

.hp-btn, .hp-theme, .hp-menu-btn { white-space: nowrap; }

.hp-nav-cta, .hp-nav-cta > *, .hp-brand { flex: none; }

.hp-menu-btn { display: none; background: none; border: 1px solid var(--hp-line); border-radius: 8px; padding: 8px 12px; cursor: pointer; color: var(--hp-ink); font-size: 15px; line-height: 1; }



/* ---------- 按钮 ---------- */

.hp-btn { display: inline-block; text-decoration: none; border-radius: 10px; padding: 12px 24px; font-size: 14.5px; font-weight: 600; cursor: pointer; border: 0; transition: transform .15s, box-shadow .15s, background .15s, border-color .15s; }

.hp-btn:active { transform: translateY(1px); }

/* 按钮均为 a 元素：选择器带 a. 抬高特异性，避免被下方 .hp a{color:inherit} 覆盖 */

a.hp-btn-primary { background: var(--hp-btn); color: var(--hp-btn-fg); box-shadow: 0 10px 22px -10px color-mix(in srgb, var(--hp-btn) 62%, transparent); }

a.hp-btn-primary:hover { background: var(--hp-btn-hover); transform: translateY(-1px); color: var(--hp-btn-fg); }

a.hp-btn-ghost { background: transparent; color: var(--hp-ink); border: 1px solid var(--hp-line); }

a.hp-btn-ghost:hover { border-color: var(--hp-ink); transform: translateY(-1px); }

a.hp-btn-paper { background: #FFFFFF; color: #14213D; }

a.hp-btn-paper:hover { background: var(--hp-tiger-soft); transform: translateY(-1px); color: #14213D; }

a.hp-btn-ghost-dark { background: transparent; color: var(--hp-navy-ink); border: 1px solid color-mix(in srgb, var(--hp-navy-ink) 42%, transparent); }

a.hp-btn-ghost-dark:hover { border-color: var(--hp-navy-ink); transform: translateY(-1px); color: var(--hp-navy-ink); }

a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible { outline: 2px solid var(--hp-tiger); outline-offset: 3px; border-radius: 6px; }



/* ---------- Hero ---------- */

.hp-hero { position: relative; overflow: hidden; padding: 72px 0 64px; }

.hp-hero::before {

  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .05;

  background:

    repeating-linear-gradient(115deg, transparent 0 118px, var(--hp-tiger) 118px 121px, transparent 121px 240px),

    repeating-linear-gradient(115deg, transparent 0 300px, var(--hp-ink) 300px 301px, transparent 301px 460px);

}

.hp-hero-in { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr); gap: 52px; align-items: center; }

.hp-eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--hp-accent-text); font-size: 12px; letter-spacing: 3px; font-weight: 600; }

.hp-stripes { width: 22px; height: 13px; background: repeating-linear-gradient(105deg, var(--hp-tiger) 0 3px, transparent 3px 9px); }

.hp-hero h1 { font-size: clamp(34px, 4.6vw, 52px); line-height: 1.24; margin: 18px 0 18px; font-weight: 700; letter-spacing: .5px; }

.hp-hero h1 em { font-style: normal; color: var(--hp-tiger); }

.hp-hero-sub { color: var(--hp-muted); font-size: 16px; max-width: 27em; margin: 0 0 28px; }

.hp-hero-cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }



/* ---------- Hero 演示组件 ---------- */

.hp-demo { background: var(--hp-panel); border: 1px solid var(--hp-line); border-radius: 18px; padding: 20px 22px 16px; box-shadow: var(--hp-shadow); }

.hp-demo-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.hp-demo-tag { flex: none; font-size: 11px; letter-spacing: 2px; color: var(--hp-muted); border: 1px solid var(--hp-line); border-radius: 99px; padding: 3px 10px; }

.hp-demo-note { font-size: 12px; color: var(--hp-muted); }

.hp-demo-q { margin: 14px 0 12px; font-size: 15px; font-weight: 650; letter-spacing: .2px; }

.hp-demo-plats { display: flex; flex-wrap: wrap; gap: 8px; }

.hp-dp { display: inline-flex; align-items: center; gap: 7px; background: var(--hp-chip); color: var(--hp-muted); border: 1px solid transparent; border-radius: 99px; padding: 7px 13px; font-size: 13px; font-weight: 600; cursor: pointer; transition: color .15s, background .15s, border-color .15s; font-family: inherit; }

.hp-dp img { display: block; }

.hp-dp:hover { color: var(--hp-ink); }

.hp-dp.is-on { background: var(--hp-tiger-soft); border-color: color-mix(in srgb, var(--hp-tiger) 45%, transparent); color: var(--hp-accent-text); }

.hp-demo-answer-wrap { margin-top: 14px; min-height: 7.4em; }

.hp-demo-answer { margin: 0; font-size: 14px; line-height: 1.85; color: var(--hp-ink); }

.hp-caret { display: inline-block; width: 2px; height: 1em; background: var(--hp-tiger); margin-left: 3px; vertical-align: -2px; animation: hp-blink 1.05s steps(1) infinite; }

.hp-demo-answer-wrap.done .hp-caret { opacity: 0; animation: none; }

@keyframes hp-blink { 50% { opacity: 0; } }

@media (prefers-reduced-motion: reduce) { .hp-caret { animation: none; opacity: 0; } }

.hp-demo-verdict { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; min-height: 29px; }

.hp-vchip { font-size: 12.5px; font-weight: 600; padding: 4px 12px; border-radius: 99px; background: var(--hp-chip); color: var(--hp-ink); }

.hp-vchip.hit { background: var(--hp-tiger-soft); color: var(--hp-accent-text); }

.hp-vchip.good { background: var(--hp-good-soft); color: var(--hp-good-ink); }

.hp-vchip.miss { background: var(--hp-chip); color: var(--hp-muted); }

.hp-demo-foot { margin: 14px 0 0; padding-top: 12px; border-top: 1px dashed var(--hp-line); font-size: 12px; color: var(--hp-muted); }



/* ---------- 数据带 ---------- */

.hp-stats { border-top: 1px solid var(--hp-line); border-bottom: 1px solid var(--hp-line); background: var(--hp-panel); }

.hp-stats-in { display: grid; grid-template-columns: repeat(4, 1fr); }

.hp-stat { padding: 26px 22px; border-left: 1px solid var(--hp-line); }

.hp-stat:first-child { border-left: 0; padding-left: 0; }

.hp-stat b { display: block; font-size: 28px; font-weight: 700; line-height: 1.2; }

.hp-stat b i { font-style: normal; color: var(--hp-tiger); }

.hp-stat span { color: var(--hp-muted); font-size: 13px; }



/* ---------- 通用节 ---------- */

.hp-sec { padding: 76px 0; }

.hp-band { background: var(--hp-panel); border-top: 1px solid var(--hp-line); border-bottom: 1px solid var(--hp-line); }

.hp-sec-head { max-width: 620px; margin-bottom: 44px; }

.hp-sec-head h2 { font-size: clamp(26px, 3.2vw, 36px); line-height: 1.32; margin: 14px 0 14px; font-weight: 700; }

.hp-sec-head p { color: var(--hp-muted); margin: 0; }



/* ---------- 能力 bento ---------- */

.hp-bento { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }

.hp-cell { background: var(--hp-panel); border: 1px solid var(--hp-line); border-radius: 16px; padding: 26px 26px 22px; transition: transform .18s, box-shadow .18s, border-color .18s; }

.hp-cell:hover { transform: translateY(-3px); box-shadow: var(--hp-shadow); border-color: color-mix(in srgb, var(--hp-tiger) 38%, var(--hp-line)); }

.hp-cell h3 { margin: 0 0 8px; font-size: 17px; }

.hp-cell p { margin: 0; color: var(--hp-muted); font-size: 13.8px; line-height: 1.8; }

.hp-cell-a { grid-column: span 7; background: var(--hp-tiger-soft); border-color: color-mix(in srgb, var(--hp-tiger) 26%, var(--hp-line)); }

.hp-bento .hp-cell:nth-child(2) { grid-column: span 5; }

.hp-bento .hp-cell:nth-child(3), .hp-bento .hp-cell:nth-child(4), .hp-bento .hp-cell:nth-child(5) { grid-column: span 4; }

.hp-cell-a .hp-spark { width: 100%; height: auto; display: block; margin: 20px 0 10px; }

.hp-cell-note { display: block; font-size: 12px; color: var(--hp-muted); }

.hp-cell-f { grid-column: span 12; background: var(--hp-navy); border-color: var(--hp-navy); color: var(--hp-navy-ink); display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 12px 44px; align-items: center; }

.hp-cell-f:hover { border-color: var(--hp-navy); }

.hp-cell-f h3 { color: #FFFFFF; }

.hp-cell-f p { color: color-mix(in srgb, var(--hp-navy-ink) 72%, transparent); }

.hp-cell-f .hp-bars { width: 100%; height: auto; display: block; margin: 8px 0 4px; }

.hp-cell-f .hp-bars .bar-m { fill: color-mix(in srgb, var(--hp-navy-ink) 20%, transparent); }

.hp-cell-f .hp-cell-note { color: color-mix(in srgb, var(--hp-navy-ink) 55%, transparent); }



/* ---------- 平台矩阵 ---------- */

.hp-plats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }

.hp-plat { background: var(--hp-panel); border: 1px solid var(--hp-line); border-radius: 14px; padding: 22px 18px 20px; text-align: center; }

.hp-plat img { display: block; margin: 0 auto 12px; }

.hp-plat b { display: block; font-size: 16px; margin-bottom: 6px; }

.hp-plat span { color: var(--hp-muted); font-size: 12.3px; line-height: 1.65; display: block; }

.hp-discipline { list-style: none; margin: 34px 0 0; padding: 22px 0 0; border-top: 1px solid var(--hp-line); display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.hp-discipline b { display: block; font-size: 14px; margin-bottom: 4px; }

.hp-discipline span { color: var(--hp-muted); font-size: 13px; line-height: 1.7; }



/* ---------- 工作流时间轴 ---------- */

.hp-flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; position: relative; }

.hp-flow::before { content: ""; position: absolute; top: 5px; left: 5px; right: 5px; height: 1px; background: var(--hp-line); }

.hp-step { position: relative; padding-top: 28px; }

.hp-step::before { content: ""; position: absolute; top: 0; left: 0; width: 10px; height: 10px; border-radius: 50%; background: var(--hp-bg); border: 2.5px solid var(--hp-tiger); }

.hp-step .no { display: block; font-size: 12px; letter-spacing: 2.5px; color: var(--hp-accent-text); font-weight: 600; margin-bottom: 8px; }

.hp-step h3 { margin: 0 0 6px; font-size: 16px; }

.hp-step p { margin: 0; color: var(--hp-muted); font-size: 13.5px; line-height: 1.75; }



/* ---------- 左右分栏（适用人群 / 自检） ---------- */

.hp-split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: start; }

.hp-split-head h2 { font-size: clamp(26px, 3.2vw, 36px); line-height: 1.32; margin: 0 0 14px; font-weight: 700; }

.hp-split-head p { color: var(--hp-muted); margin: 0; max-width: 30em; }

.hp-personas { border-top: 1px solid var(--hp-line); }

.hp-persona { display: grid; grid-template-columns: 172px 1fr; gap: 18px; padding: 21px 0; border-bottom: 1px solid var(--hp-line); align-items: baseline; }

.hp-persona b { font-size: 15.5px; }

.hp-persona p { margin: 0; color: var(--hp-muted); font-size: 14px; line-height: 1.8; }



/* ---------- 时代对照 ---------- */

.hp-compare { display: grid; grid-template-columns: 1fr 52px 1fr; align-items: stretch; }

.hp-era { border-radius: 16px; padding: 28px 30px; }

.hp-era h3 { margin: 0 0 10px; font-size: 16.5px; }

.hp-era ul { list-style: none; margin: 0; padding: 0; }

.hp-era li { padding: 11px 0; font-size: 14px; line-height: 1.7; }

.hp-era li + li { border-top: 1px solid var(--hp-line); }

.hp-era-old { background: var(--hp-panel2); border: 1px solid var(--hp-line); color: var(--hp-muted); }

.hp-era-old h3 { color: var(--hp-muted); }

.hp-era-new { background: var(--hp-navy); color: var(--hp-navy-ink); }

.hp-era-new h3 { color: #FFFFFF; }

.hp-era-new li + li { border-top: 1px solid color-mix(in srgb, var(--hp-navy-ink) 16%, transparent); }

.hp-era-arrow { display: flex; align-items: center; justify-content: center; font-size: 24px; color: var(--hp-tiger); }



/* ---------- 可见度自检 ---------- */

.hp-check { background: var(--hp-panel); border: 1px solid var(--hp-line); border-radius: 16px; padding: 10px 26px 24px; }

.hp-ck { display: flex; gap: 13px; align-items: flex-start; padding: 15px 0; cursor: pointer; }

.hp-ck + .hp-ck { border-top: 1px solid var(--hp-line); }

.hp-ck input { width: 20px; height: 20px; accent-color: var(--hp-tiger); margin: 3px 0 0; flex: none; cursor: pointer; }

.hp-ck span { font-size: 14.5px; line-height: 1.7; }

.hp-check-out { margin-top: 18px; background: var(--hp-tiger-soft); border-radius: 12px; padding: 16px 20px; }

.hp-check-out b { display: block; font-size: 15.5px; margin-bottom: 3px; }

.hp-check-out span { font-size: 13.5px; line-height: 1.75; color: var(--hp-ink); opacity: .82; display: block; }



/* ---------- FAQ ---------- */

.hp-faqs { max-width: 780px; }

.hp-faq { background: var(--hp-panel); border: 1px solid var(--hp-line); border-radius: 12px; margin-bottom: 12px; overflow: hidden; }

.hp-faq summary { list-style: none; cursor: pointer; padding: 17px 22px; font-weight: 600; font-size: 15px; display: flex; align-items: center; justify-content: space-between; gap: 14px; }

.hp-faq summary::-webkit-details-marker { display: none; }

.hp-faq summary::after { content: "+"; color: var(--hp-accent-text); font-size: 20px; font-weight: 400; transition: transform .2s; }

.hp-faq[open] summary::after { transform: rotate(45deg); }

.hp-faq p { margin: 0; padding: 0 22px 18px; color: var(--hp-muted); font-size: 14px; line-height: 1.85; }



/* ---------- CTA 带 ---------- */

.hp-cta { background: var(--hp-navy); color: var(--hp-navy-ink); padding: 72px 0; position: relative; overflow: hidden; }

.hp-cta::after {

  content: ""; position: absolute; right: -40px; bottom: -46px; width: 300px; height: 300px; opacity: .1; pointer-events: none;

  background: repeating-linear-gradient(115deg, var(--hp-tiger) 0 6px, transparent 6px 26px);

  -webkit-mask-image: radial-gradient(closest-side, #000, transparent 78%); mask-image: radial-gradient(closest-side, #000, transparent 78%);

}

.hp-cta-in { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 34px; flex-wrap: wrap; }

.hp-cta h2 { font-size: clamp(24px, 3vw, 34px); margin: 0 0 10px; font-weight: 700; }

.hp-cta p { margin: 0; color: color-mix(in srgb, var(--hp-navy-ink) 72%, transparent); font-size: 14.5px; }

.hp-cta-btns { display: flex; gap: 14px; flex-wrap: wrap; }



/* ---------- 页脚 ---------- */

.hp-foot { border-top: 1px solid var(--hp-line); padding: 34px 0 44px; }

.hp-foot-in { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

.hp-foot small { color: var(--hp-muted); font-size: 12.5px; }

.hp-foot-links { display: flex; gap: 20px; }

.hp-foot-links a { color: var(--hp-muted); text-decoration: none; font-size: 13px; padding: 6px 2px; display: inline-block; }

.hp-foot-links a:hover { color: var(--hp-ink); }



/* ---------- 进场动效（JS 可用时才隐藏，无 JS 恒可见） ---------- */

html.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }

html.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) { html.js .reveal { opacity: 1; transform: none; transition: none; } }



/* ---------- 响应式 ---------- */

@media (max-width: 1080px) {

  /* bento 收窄后一律单列：必须重置全部 span，否则 span4/5 会在 1 列网格里

     撑出隐式轨道，把格内文字挤成一字一行（真机 390 实测翻车） */

  .hp-bento { grid-template-columns: 1fr; }

  .hp-cell-a, .hp-bento .hp-cell:nth-child(2), .hp-bento .hp-cell:nth-child(3),

  .hp-bento .hp-cell:nth-child(4), .hp-bento .hp-cell:nth-child(5), .hp-cell-f { grid-column: auto; }

  .hp-cell-f { grid-template-columns: 1fr; gap: 14px; }

  .hp-plats { grid-template-columns: repeat(3, 1fr); }

}

@media (max-width: 980px) {

  .hp-hero-in { grid-template-columns: 1fr; gap: 40px; }

  .hp-hero { padding-top: 52px; }

  .hp-split { grid-template-columns: 1fr; gap: 30px; }

  .hp-flow { grid-template-columns: repeat(2, 1fr); gap: 26px; }

  .hp-flow::before { display: none; }

  .hp-compare { grid-template-columns: 1fr; gap: 14px; }

  .hp-era-arrow { transform: rotate(90deg); padding: 2px 0; }

  .hp-stats-in { grid-template-columns: repeat(2, 1fr); }

  .hp-stat { border-left: 0; border-top: 1px solid var(--hp-line); padding-left: 0; }

  .hp-stat:nth-child(-n+2) { border-top: 0; }

}

@media (max-width: 920px) {

  .hp-menu {

    display: none; position: absolute; top: 64px; left: 0; right: 0;

    background: var(--hp-bg); border-bottom: 1px solid var(--hp-line);

    flex-direction: column; padding: 10px 28px 16px; gap: 2px;

  }

  .hp-menu.open { display: flex; }

  .hp-menu a { padding: 11px 6px; }

  .hp-menu-btn { display: block; }

  .hp-nav-cta .hp-link-plain { display: none; }

}

@media (max-width: 640px) {

  .hp-wrap { padding: 0 20px; }

  .hp-nav-in { gap: 10px; height: 56px; }

  .hp-nav-cta { gap: 8px; }

  .hp-btn { padding: 11px 16px; font-size: 13.5px; }

  .hp-theme { padding: 7px 9px; font-size: 12px; }

  .hp-menu-btn { padding: 8px 10px; }

  .hp-brand { gap: 7px; font-size: 15.5px; }

  .hp-brand svg { width: 26px; height: 26px; }

  .hp-bento { grid-template-columns: 1fr; }

  .hp-plats { grid-template-columns: repeat(2, 1fr); }

  .hp-stat b { font-size: 21px; }

  .hp-discipline { grid-template-columns: 1fr; gap: 14px; }

  .hp-flow { grid-template-columns: 1fr; }

  .hp-hero-cta .hp-btn { flex: 1 1 100%; text-align: center; }

  .hp-cta-in { flex-direction: column; align-items: flex-start; }

  .hp-cta-btns { width: 100%; }

  .hp-cta-btns .hp-btn { flex: 1 1 auto; }

  .hp-persona { grid-template-columns: 1fr; gap: 4px; padding: 17px 0; }

  .hp-era { padding: 22px 20px; }

  .hp-check { padding: 4px 18px 18px; }

  .hp-demo { padding: 16px 16px 14px; }

  .hp-demo-answer-wrap { min-height: 9em; }

}

/* 超小屏（≤380px）：压缩导航预算，避免 CTA 区撑破屏幕 */

@media (max-width: 380px) {

  .hp-wrap { padding: 0 14px; }

  .hp-nav-in { gap: 8px; height: 54px; }

  .hp-nav-cta { gap: 6px; }

  .hp-btn { padding: 10px 12px; font-size: 13px; }

  .hp-theme { padding: 6px 7px; font-size: 11.5px; }

  .hp-menu-btn { padding: 7px 8px; font-size: 13px; }

  .hp-brand { gap: 6px; font-size: 14.5px; }

  .hp-brand svg { width: 24px; height: 24px; }

}


/* ---------- 页脚 v2（品牌列 + 三组链接 + 底栏）2026-10-01 ---------- */
.hp-foot-in { display: block; }
.hp-foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1.2fr 1fr; gap: 30px 28px; align-items: start; }
.hp-foot-brand .hp-brand { font-size: 15px; }
.hp-foot-brand p { color: var(--hp-muted); font-size: 13px; line-height: 1.75; margin: 12px 0 0; max-width: 34em; }
.hp-foot-col h4 { margin: 2px 0 10px; font-size: 12px; letter-spacing: 2.5px; color: var(--hp-muted); font-weight: 700; }
.hp-foot-col a { display: block; color: var(--hp-muted); text-decoration: none; font-size: 13.5px; padding: 5px 0; }
.hp-foot-col a:hover { color: var(--hp-ink); }
.hp-foot-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 30px; padding-top: 18px; border-top: 1px solid var(--hp-line); }
@media (max-width: 960px) { .hp-foot-grid { grid-template-columns: 1fr 1fr; } }
/* 移动端页脚：直接三行（链接自明，隐组名；尾点分隔随前链接折行，行首不挂点）2026-10-01 */
@media (max-width: 560px) {
  .hp-foot { padding: 26px 0 30px; }
  .hp-foot-grid { grid-template-columns: 1fr; gap: 0; }
  .hp-foot-brand p { margin-top: 8px; }
  .hp-foot-col { display: flex; flex-wrap: wrap; align-items: baseline; row-gap: 2px; padding: 8px 0; }
  .hp-foot-col h4 { display: none; }
  .hp-foot-col a { display: inline; padding: 4px 0; font-size: 13px; }
  .hp-foot-col a:not(:last-child)::after { content: "·"; margin: 0 7px; color: var(--hp-muted); opacity: .55; }
  .hp-foot-bar { margin-top: 20px; padding-top: 14px; }
}

/* ---------- 站点信息页（关于/免责/隐私/联系）排版 ---------- */
.hp-page { padding: 56px 24px 40px; }
.hp-page-head { margin-bottom: 10px; }
.hp-page-head h1 { font-size: clamp(28px, 4vw, 40px); margin: 10px 0 6px; }
.hp-page-body { max-width: 760px; }
.hp-page-body h2 { font-size: 19px; margin: 34px 0 10px; font-weight: 700; }
.hp-page-body p { color: var(--hp-ink); font-size: 15px; line-height: 1.95; margin: 0 0 13px; }
.hp-page-body ul { margin: 0 0 14px; padding-left: 22px; }
.hp-page-body li { font-size: 15px; line-height: 1.95; margin-bottom: 7px; }
.hp-page-body b { font-weight: 700; }
.hp-page-body a { color: var(--hp-accent-text); text-decoration: none; }
.hp-page-body a:hover { text-decoration: underline; }
.hp-contact-mail { font-size: 17px; }
.hp-contact-mail .hp-pix { font-size: 16px; }
