/* =========================================================
   腊梅.cn — 全局样式
   设计基调：宣纸为底、腊梅为魂、墨色为骨、竹青点缀
   风格：雅致清新 · 传统文人气质 · 响应式
   ========================================================= */

:root {
  /* 色彩系统 */
  --paper:        #f7f4ec;  /* 宣纸底 */
  --paper-soft:   #fbf9f3;  /* 浅纸卡 */
  --paper-deep:   #efe9db;  /* 深纸纹 */
  --ink:          #36302a;  /* 墨色正文 */
  --ink-soft:     #6b6051;  /* 次级文字 */
  --ink-faint:    #9a8f7d;  /* 辅助文字 */
  --gold:         #c08a2d;  /* 腊梅金（主点缀） */
  --gold-bright:  #d8aa3e;  /* 亮金 */
  --gold-soft:    #e8d9a8;  /* 浅金 */
  --jade:         #7c8a5e;  /* 竹青（叶） */
  --brown:        #8a6d4f;  /* 枝干褐 */
  --line:         #e3d9c4;  /* 分割线 */
  --line-soft:    #efe7d6;

  /* 字体 */
  --serif: "Noto Serif SC", "Songti SC", "STSong", "Source Han Serif SC", "SimSun", serif;
  --sans:  "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;

  /* 尺度 */
  --maxw: 1180px;
  --radius: 14px;
  --shadow-sm: 0 2px 8px rgba(54, 48, 42, 0.06);
  --shadow:    0 8px 28px rgba(54, 48, 42, 0.10);
  --shadow-lg: 0 18px 50px rgba(54, 48, 42, 0.14);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background-color: var(--paper);
  /* 极淡的宣纸纹理：两层径向渐变叠加 */
  background-image:
    radial-gradient(circle at 18% 12%, rgba(216, 170, 62, 0.05), transparent 42%),
    radial-gradient(circle at 86% 78%, rgba(124, 138, 94, 0.05), transparent 46%);
  line-height: 1.85;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold); text-decoration: none; transition: color 0.25s var(--ease); }
a:hover { color: var(--gold-bright); }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.4; color: var(--ink); letter-spacing: 0.02em; }
p { margin: 0 0 1.1em; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.4em; }

/* 焦点可见性（无障碍） */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 布局容器 ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section--tight { padding: 48px 0; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 244, 236, 0.82);
  backdrop-filter: saturate(150%) blur(12px);
  -webkit-backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 66px;
}
.brand {
  display: flex; align-items: baseline; gap: 10px;
  font-family: var(--serif); font-size: 1.4rem; font-weight: 700; color: var(--ink);
}
.brand .seal {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--gold); color: #fff; font-size: 1.1rem; font-weight: 700;
  box-shadow: var(--shadow-sm);
  align-self: center;
}
.brand .tld { font-size: 0.9rem; color: var(--ink-faint); font-family: var(--sans); letter-spacing: 0.05em; }
.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  display: inline-block; padding: 8px 14px; border-radius: 999px;
  color: var(--ink-soft); font-size: 0.96rem; letter-spacing: 0.04em;
}
.nav-links a:hover { color: var(--gold); background: rgba(192, 138, 45, 0.08); }
.nav-links a.active { color: var(--gold); background: rgba(192, 138, 45, 0.12); font-weight: 600; }

/* 汉堡按钮 */
.nav-toggle {
  display: none; width: 42px; height: 42px; border: none; background: transparent;
  cursor: pointer; padding: 0; border-radius: 10px; position: relative;
}
.nav-toggle span {
  position: absolute; left: 9px; right: 9px; height: 2px; background: var(--ink);
  border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 26px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 主视觉 Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  min-height: 84dvh; display: flex; align-items: center;
  background: linear-gradient(160deg, #fbf9f3 0%, #f3ecdd 60%, #efe6d2 100%);
}
.hero__inner { position: relative; z-index: 2; width: 100%; }
.hero__art {
  position: absolute; inset: 0; z-index: 1;
  background-size: cover; background-position: center right;
  opacity: 0.5; mix-blend-mode: multiply;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 55%, #000 100%);
          mask-image: linear-gradient(90deg, transparent 0%, #000 55%, #000 100%);
}
.hero__overlay { position: absolute; inset: 0; z-index: 1; background: linear-gradient(110deg, rgba(247,244,236,0.92) 35%, rgba(247,244,236,0.35) 70%, transparent 100%); }
.hero__content { max-width: 640px; }
.hero__eyebrow {
  display: inline-block; font-family: var(--serif); color: var(--gold);
  letter-spacing: 0.5em; font-size: 0.85rem; margin-bottom: 18px; padding-left: 0.5em;
}
.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.4rem); margin: 0 0 22px; line-height: 1.18;
  letter-spacing: 0.04em;
}
.hero h1 .accent { color: var(--gold); position: relative; }
.hero__lead { font-size: clamp(1rem, 1.6vw, 1.18rem); color: var(--ink-soft); margin-bottom: 30px; max-width: 540px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px; border-radius: 999px; font-size: 0.98rem; font-weight: 600;
  letter-spacing: 0.05em; cursor: pointer; border: 1px solid transparent;
  transition: transform 0.2s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
}
.btn--primary { background: var(--gold); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--gold-bright); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); background: rgba(192,138,45,0.06); transform: translateY(-2px); }

/* ---------- 章节标题 ---------- */
.section-head { text-align: center; max-width: 720px; margin: 0 auto 44px; }
.section-head .kicker {
  display: inline-block; font-family: var(--serif); color: var(--gold);
  letter-spacing: 0.4em; font-size: 0.8rem; margin-bottom: 12px; padding-left: 0.4em;
}
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin: 0 0 14px; }
.section-head p { color: var(--ink-soft); margin: 0; }
.divider {
  width: 64px; height: 2px; margin: 18px auto 0;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

/* ---------- 文化引言（首页引言段） ---------- */
.intro-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.intro-text p { color: var(--ink-soft); }
.intro-text .quote {
  font-family: var(--serif); font-size: 1.25rem; color: var(--ink);
  border-left: 3px solid var(--gold-soft); padding-left: 18px; margin: 22px 0; line-height: 1.9;
}
.intro-figure {
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.intro-figure img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }

/* ---------- 栏目导航卡片 ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  display: flex; flex-direction: column; gap: 12px;
  background: var(--paper-soft); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 26px;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--gold-soft); }
.card__icon {
  width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(192, 138, 45, 0.10); color: var(--gold); font-size: 1.5rem; margin-bottom: 4px;
}
.card h3 { margin: 0; font-size: 1.3rem; }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.96rem; flex: 1; }
.card__more { font-family: var(--serif); color: var(--gold); font-size: 0.95rem; letter-spacing: 0.05em; }
.card__more::after { content: " →"; transition: margin-left 0.2s var(--ease); }
.card:hover .card__more::after { margin-left: 6px; }

/* ---------- 名诗展示 ---------- */
.poem-band {
  background: linear-gradient(135deg, #f3ecdc, #efe6d1);
  border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft);
}
.poem {
  text-align: center; max-width: 720px; margin: 0 auto;
  font-family: var(--serif); font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  color: var(--ink); line-height: 2.1; letter-spacing: 0.05em;
}
.poem .author { display: block; margin-top: 18px; font-size: 0.95rem; color: var(--ink-faint); letter-spacing: 0.1em; }

/* ---------- 图库预览 ---------- */
.gallery-preview { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.gallery-preview a {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); aspect-ratio: 1 / 1;
  box-shadow: var(--shadow-sm);
}
.gallery-preview img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.gallery-preview a:hover img { transform: scale(1.07); }
.gallery-preview a span {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 10px 12px;
  background: linear-gradient(transparent, rgba(54,48,42,0.55)); color: #fff;
  font-family: var(--serif); font-size: 0.9rem; letter-spacing: 0.05em;
}

/* ---------- 通用内容页版式 ---------- */
.page-hero {
  position: relative; padding: 104px 0 72px; text-align: center; overflow: hidden;
  background: linear-gradient(160deg, #fbf9f3, #f1e9d8);
  border-bottom: 1px solid var(--line-soft);
}
.page-hero__bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
  opacity: 0.16;
  -webkit-mask-image: radial-gradient(circle at 50% 28%, #000 0%, transparent 72%);
          mask-image: radial-gradient(circle at 50% 28%, #000 0%, transparent 72%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .kicker { font-family: var(--serif); color: var(--gold); letter-spacing: 0.4em; font-size: 0.82rem; }
.page-hero h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin: 14px 0 10px; }
.page-hero p { color: var(--ink-soft); max-width: 640px; margin: 0 auto; }

/* 两栏图文 */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.feature--reverse .feature__media { order: 2; }
.feature__media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); }
.feature__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.feature h3 { font-size: 1.6rem; margin: 0 0 14px; }
.feature p { color: var(--ink-soft); }

/* 信息卡网格（品种/习性等） */
.info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.info-card {
  background: var(--paper-soft); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 24px; box-shadow: var(--shadow-sm);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.info-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.info-card h3 { margin: 0 0 6px; font-size: 1.25rem; display: flex; align-items: center; gap: 10px; }
.info-card .tag { font-size: 0.78rem; color: #fff; background: var(--jade); padding: 2px 10px; border-radius: 999px; font-family: var(--sans); letter-spacing: 0.05em; }
.info-card p { margin: 0; color: var(--ink-soft); font-size: 0.96rem; }

/* 数据条（生长习性） */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.fact {
  text-align: center; padding: 24px 16px; border-radius: var(--radius);
  background: var(--paper-soft); border: 1px solid var(--line);
}
.fact .num { font-family: var(--serif); font-size: 2rem; color: var(--gold); line-height: 1; }
.fact .label { display: block; margin-top: 8px; color: var(--ink-soft); font-size: 0.9rem; }

/* 步骤（养护） */
.steps { counter-reset: step; display: grid; gap: 18px; }
.step {
  display: grid; grid-template-columns: 56px 1fr; gap: 20px; align-items: start;
  background: var(--paper-soft); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; box-shadow: var(--shadow-sm);
}
.step::before {
  counter-increment: step; content: counter(step);
  width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center;
  background: var(--gold); color: #fff; font-family: var(--serif); font-size: 1.4rem; font-weight: 700;
}
.step h3 { margin: 4px 0 6px; font-size: 1.15rem; }
.step p { margin: 0; color: var(--ink-soft); font-size: 0.96rem; }

/* 诗词列表 */
.poem-list { display: grid; gap: 22px; }
.poem-item {
  background: var(--paper-soft); border: 1px solid var(--line); border-left: 4px solid var(--gold-soft);
  border-radius: var(--radius); padding: 28px 30px; box-shadow: var(--shadow-sm);
}
.poem-item h3 { margin: 0 0 4px; font-size: 1.35rem; }
.poem-item .meta { color: var(--gold); font-family: var(--serif); font-size: 0.95rem; letter-spacing: 0.08em; margin-bottom: 14px; }
.poem-item .body { font-family: var(--serif); font-size: 1.2rem; line-height: 2.1; color: var(--ink); white-space: pre-line; }
.poem-item .note { margin: 14px 0 0; color: var(--ink-soft); font-size: 0.94rem; }

/* 寓意卡片 */
.symbol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.symbol {
  text-align: center; padding: 30px 22px; border-radius: var(--radius);
  background: var(--paper-soft); border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  transition: transform 0.25s var(--ease);
}
.symbol:hover { transform: translateY(-5px); }
.symbol .glyph { font-family: var(--serif); font-size: 2.4rem; color: var(--gold); line-height: 1; margin-bottom: 12px; }
.symbol h3 { margin: 0 0 8px; font-size: 1.2rem; }
.symbol p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* 图库大网格 */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gallery-grid figure {
  margin: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  box-shadow: var(--shadow-sm); cursor: zoom-in; background: var(--paper-deep);
}
.gallery-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform 0.5s var(--ease); }
.gallery-grid figure:hover img { transform: scale(1.05); }
.gallery-grid figcaption {
  padding: 12px 14px; font-family: var(--serif); color: var(--ink-soft);
  font-size: 0.95rem; letter-spacing: 0.04em; background: var(--paper-soft);
}

/* 面包屑 */
.crumb { font-size: 0.88rem; color: var(--ink-faint); margin-bottom: 18px; }
.crumb a { color: var(--ink-faint); }
.crumb a:hover { color: var(--gold); }
.crumb span { margin: 0 6px; }

/* 内链提示框 */
.callout {
  border: 1px solid var(--gold-soft); background: rgba(216,170,62,0.06);
  border-radius: var(--radius); padding: 18px 22px; margin: 26px 0;
}
.callout strong { color: var(--gold); }

/* ---------- 页脚 ---------- */
.site-footer {
  background: #2f2a24; color: #d8cfc0; margin-top: 40px;
  padding: 54px 0 28px;
}
.site-footer a { color: #d8cfc0; }
.site-footer a:hover { color: var(--gold-soft); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.footer-brand { font-family: var(--serif); font-size: 1.5rem; color: #fff; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.footer-brand .seal { background: var(--gold); color: #fff; width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; font-size: 1rem; }
.footer-col h4 { color: var(--gold-soft); font-size: 1rem; letter-spacing: 0.1em; margin: 0 0 14px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.footer-col a { font-size: 0.94rem; }
.footer-bottom {
  margin-top: 38px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.10);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 0.85rem; color: #a89e8d;
}

/* ---------- 滚动渐显动画 ---------- */
/* 渐进增强：仅当 JS 启用（<html class="js">）才隐藏，JS 禁用时内容始终可见，避免“空白页” */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 100; display: none;
  background: rgba(28, 24, 20, 0.88); padding: 5vh 5vw;
  align-items: center; justify-content: center; flex-direction: column; gap: 16px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 82vh; border-radius: 10px; box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.lightbox .cap { color: #ece3d2; font-family: var(--serif); letter-spacing: 0.05em; }
.lightbox .close {
  position: absolute; top: 22px; right: 26px; width: 44px; height: 44px;
  border: none; border-radius: 50%; background: rgba(255,255,255,0.15); color: #fff;
  font-size: 1.5rem; cursor: pointer; line-height: 1;
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 980px) {
  .intro-grid { grid-template-columns: 1fr; gap: 30px; }
  .intro-figure { max-width: 460px; margin: 0 auto; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .gallery-preview { grid-template-columns: repeat(2, 1fr); }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .feature { grid-template-columns: 1fr; gap: 26px; }
  .feature--reverse .feature__media { order: 0; }
  .info-grid { grid-template-columns: 1fr; }
  .symbol-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .section { padding: 52px 0; }
  .nav-links {
    position: fixed; top: 66px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper-soft); border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    max-height: 0; overflow: hidden; transition: max-height 0.35s var(--ease);
  }
  .nav-links.open { max-height: 70vh; }
  .nav-links li { border-top: 1px solid var(--line-soft); }
  .nav-links a { display: block; padding: 14px 24px; border-radius: 0; }
  .nav-links a:hover, .nav-links a.active { background: rgba(192,138,45,0.10); }
  .nav-toggle { display: block; }
  .hero { min-height: 78dvh; }
  .hero__art { opacity: 0.32; -webkit-mask-image: linear-gradient(180deg, #000 40%, transparent 100%); mask-image: linear-gradient(180deg, #000 40%, transparent 100%); }
  .hero__overlay { background: linear-gradient(180deg, rgba(247,244,236,0.6) 0%, rgba(247,244,236,0.92) 60%, var(--paper) 100%); }
  .cards { grid-template-columns: 1fr; }
  .gallery-preview { grid-template-columns: repeat(2, 1fr); }
  .facts { grid-template-columns: 1fr 1fr; }
  .symbol-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .footer-bottom { flex-direction: column; }
  .poem-item { padding: 22px 20px; }
  .poem-item .body { font-size: 1.08rem; }
  .container { padding: 0 18px; }
}

/* 尊重「减少动效」偏好 */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* ---------- 首页专题推荐横幅 ---------- */
.topic-banner { background: linear-gradient(135deg, #fbf6ea, #f3e7c9); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.topic-banner__inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.topic-banner__text { max-width: 740px; text-align: left; }
.topic-banner__text h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin: 8px 0 10px; }
.topic-banner__text p { color: var(--ink-soft); margin: 0; }
.topic-banner .btn { white-space: nowrap; }
@media (max-width: 640px) {
  .topic-banner__inner { flex-direction: column; align-items: flex-start; }
}

/* =========================================================
   腊梅专题页 (lamei.html) 专属样式
   ========================================================= */
.article-hero {
  position: relative; padding: 98px 0 60px; text-align: center; overflow: hidden;
  background: linear-gradient(160deg, #fbf9f3 0%, #f3ecdd 60%, #efe6d2 100%);
  border-bottom: 1px solid var(--line-soft);
}
.article-hero .kicker {
  display: inline-block; font-family: var(--serif); color: var(--gold);
  letter-spacing: 0.4em; font-size: 0.82rem; margin-bottom: 14px; padding-left: 0.4em;
}
.article-hero h1 { font-size: clamp(1.9rem, 4.2vw, 3rem); margin: 0 0 14px; line-height: 1.25; }
.article-hero p { color: var(--ink-soft); max-width: 640px; margin: 0 auto; }

.article { max-width: 860px; margin: 0 auto; }
.article .lead { font-size: 1.06rem; color: var(--ink-soft); }
.article .lead p { margin-bottom: 0.9em; }

/* 目录 */
.toc {
  background: var(--paper-soft); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 26px; margin: 34px 0 10px;
  box-shadow: var(--shadow-sm);
}
.toc h2 { font-size: 1.05rem; margin: 0 0 12px; font-family: var(--serif); }
.toc ol { margin: 0; padding-left: 1.3em; columns: 2; column-gap: 30px; }
.toc li { margin-bottom: 8px; }
.toc a { color: var(--ink-soft); }
.toc a:hover { color: var(--gold); }

.article h2 {
  font-size: clamp(1.45rem, 3vw, 1.95rem); margin: 46px 0 16px;
  padding-top: 14px; border-top: 1px solid var(--line-soft); scroll-margin-top: 84px;
}
.article h2 .num { color: var(--gold-soft); margin-right: 6px; }
.article h3 { font-size: 1.22rem; margin: 30px 0 10px; color: var(--gold); }
.article p { color: var(--ink-soft); }
.article ul, .article ol { color: var(--ink-soft); }

.article .figure { margin: 26px 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.article .figure img { width: 100%; display: block; }
.article .figure figcaption { padding: 10px 14px; font-size: 0.88rem; color: var(--gold); background: var(--paper-soft); font-family: var(--serif); }

.article .keypoints { background: rgba(192,138,45,0.06); border: 1px solid var(--gold-soft); border-radius: var(--radius); padding: 20px 24px; margin: 28px 0; }
.article .keypoints h3 { margin: 0 0 10px; color: var(--gold); font-size: 1.05rem; }
.article .keypoints ul { margin-bottom: 0; }

.article .warn { background: #fdf3ef; border: 1px solid #e7b9a6; border-left: 4px solid #c0583a; border-radius: var(--radius); padding: 14px 18px; margin: 22px 0; color: #7a3b28; font-size: 0.96rem; }

.article table { width: 100%; border-collapse: collapse; margin: 22px 0; background: var(--paper-soft); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); font-size: 0.94rem; }
.article th, .article td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.article th { background: var(--gold); color: #fff; font-weight: 600; }
.article tbody tr:nth-child(even) { background: rgba(192,138,45,0.05); }

.faq-item { background: var(--paper-soft); border: 1px solid var(--line); border-left: 4px solid var(--gold-soft); border-radius: var(--radius); padding: 18px 22px; margin: 14px 0; scroll-margin-top: 84px; }
.faq-item h3 { margin: 0 0 8px; font-size: 1.08rem; color: var(--ink); }
.faq-item p { margin: 0; }

.article .byline { font-size: 0.88rem; color: var(--ink-faint); margin-top: 30px; }
.article .ending h2 { border-top: none; }

@media (max-width: 720px) {
  .toc ol { columns: 1; }
  .article-hero { padding: 78px 0 44px; }
}