:root {
    --orange-1: #ff8a3d;
    --orange-2: #ff5e2b;
    --orange-3: #ffb066;
    --bg: #fff7f2;
    --bg-soft: #fffaf6;
    --card: #ffffff;
    --line: #ffe4d3;
    --text: #3a2a22;
    --text-2: #7a6659;
    --radius-card: 22px;
    --radius-block: 26px;
    --radius-pill: 48px;
    --shadow: 0 10px 30px rgba(255, 110, 50, .10);
    --shadow-hover: 0 18px 40px rgba(255, 100, 40, .20);
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  img { display: block; max-width: 100%; }
  a { text-decoration: none; color: inherit; }
  ul { list-style: none; }

  .wrap { max-width: 1400px; margin: 0 auto; padding: 0 24px; }

  /* ===== 顶部导航 ===== */
  .topbar {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255, 250, 246, .86);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
  }
  .topbar-inner {
    display: flex; align-items: center; gap: 18px;
    padding: 12px 24px; max-width: 1400px; margin: 0 auto;
  }
  .brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
  .brand img { height: 34px; width: auto; border-radius: 8px; }
  .brand-name {
    font-size: 20px; font-weight: 800; letter-spacing: -.5px;
    background: linear-gradient(100deg, var(--orange-2), var(--orange-1));
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }
  .mainnav { display: flex; gap: 4px; flex-wrap: wrap; }
  .mainnav a {
    font-size: 14px; font-weight: 600; color: var(--text-2);
    padding: 7px 13px; border-radius: 999px; transition: .2s;
    white-space: nowrap;
  }
  .mainnav a:hover { color: var(--orange-2); background: #fff2e9; }
  .searchbox {
    margin-left: auto;
    display: flex; align-items: center; gap: 8px;
    background: #fff; border: 1px solid var(--line);
    border-radius: 999px; padding: 7px 16px;
    transition: .25s;
  }
  .searchbox:focus-within {
    border-color: var(--orange-1);
    box-shadow: 0 0 0 4px rgba(255, 138, 61, .18);
  }
  .searchbox input {
    border: none; outline: none; background: transparent;
    font-size: 14px; color: var(--text); width: 150px;
    font-family: inherit;
  }
  .searchbox input::placeholder { color: #b9a89c; }
  .searchbox span { font-size: 15px; color: var(--orange-1); }
  .avatar {
    width: 38px; height: 38px; border-radius: 50%;
    background: linear-gradient(135deg, var(--orange-1), var(--orange-2));
    color: #fff; font-weight: 700; font-size: 15px;
    display: grid; place-items: center; flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(255, 110, 50, .3);
  }

  /* ===== 二级导航 ===== */
  .subnav {
    background: var(--bg-soft);
    border-bottom: 1px solid var(--line);
  }
  .subnav-inner {
    max-width: 1400px; margin: 0 auto; padding: 10px 24px;
    display: flex; gap: 26px; flex-wrap: wrap; align-items: center;
    font-size: 13.5px;
  }
  .subnav-group { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
  .subnav-label {
    font-weight: 700; color: var(--orange-2); font-size: 13px;
  }
  .subnav a {
    color: var(--text-2); padding: 4px 12px; border-radius: 999px;
    border: 1px solid transparent; transition: .2s;
  }
  .subnav a:hover { background: #fff; border-color: var(--orange-3); color: var(--orange-2); }

  /* ===== Hero ===== */
  .hero {
    position: relative; overflow: hidden;
    background:
      radial-gradient(700px 380px at 88% 8%, rgba(255, 138, 61, .22), transparent 60%),
      radial-gradient(600px 400px at 6% 92%, rgba(255, 94, 43, .14), transparent 62%),
      linear-gradient(180deg, #fff4ec 0%, #fff7f2 100%);
  }
  .hero-inner {
    max-width: 1400px; margin: 0 auto;
    padding: 64px 24px 56px;
    display: grid; grid-template-columns: 1.25fr .75fr;
    gap: 44px; align-items: center;
  }
  .hero-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
  .hero-badges span {
    background: #fff; border: 1px solid var(--line);
    color: var(--orange-2); font-size: 13px; font-weight: 600;
    padding: 6px 14px; border-radius: 999px;
    box-shadow: 0 4px 12px rgba(255, 120, 60, .08);
  }
  .hero h1 {
    font-size: clamp(30px, 4.4vw, 52px);
    line-height: 1.2; letter-spacing: -1.4px; font-weight: 900;
    background: linear-gradient(100deg, var(--orange-2), var(--orange-1) 55%, #ffb066);
    -webkit-background-clip: text; background-clip: text; color: transparent;
    margin-bottom: 20px;
  }
  .hero-lead {
    font-size: 16px; color: var(--text-2); max-width: 620px;
    margin-bottom: 28px;
  }
  .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
  .btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    background: linear-gradient(100deg, var(--orange-2), var(--orange-1));
    color: #fff; font-size: 17px; font-weight: 700;
    padding: 15px 38px; border-radius: var(--radius-pill);
    box-shadow: 0 12px 26px rgba(255, 94, 43, .34);
    transition: transform .2s, box-shadow .2s;
    border: none; cursor: pointer; font-family: inherit;
  }
  .btn-primary:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 18px 34px rgba(255, 94, 43, .42); }
  .btn-primary:active { transform: scale(.98); }
  .btn-ghost {
    display: inline-flex; align-items: center; gap: 8px;
    background: #fff; border: 1px solid var(--line);
    color: var(--text); font-size: 15px; font-weight: 600;
    padding: 14px 28px; border-radius: var(--radius-pill);
    transition: .2s;
  }
  .btn-ghost:hover { border-color: var(--orange-1); color: var(--orange-2); }

  .hero-stats {
    background: rgba(255, 255, 255, .78);
    border: 1px solid var(--line);
    border-radius: var(--radius-block);
    padding: 30px 26px;
    box-shadow: var(--shadow);
    display: grid; gap: 20px;
  }
  .stat-item { display: flex; align-items: baseline; gap: 12px; }
  .stat-num {
    font-size: 30px; font-weight: 900; letter-spacing: -1px;
    background: linear-gradient(100deg, var(--orange-2), var(--orange-1));
    -webkit-background-clip: text; background-clip: text; color: transparent;
    min-width: 96px;
  }
  .stat-label { font-size: 14px; color: var(--text-2); font-weight: 600; }

  /* ===== 通用区块 ===== */
  section { padding: 56px 0; }
  .sec-head {
    display: flex; align-items: center; gap: 14px;
    margin-bottom: 26px; flex-wrap: wrap;
  }
  .sec-head .ico {
    width: 40px; height: 40px; border-radius: 12px;
    background: linear-gradient(135deg, var(--orange-1), var(--orange-2));
    display: grid; place-items: center; font-size: 19px;
    box-shadow: 0 6px 16px rgba(255, 110, 50, .28);
    flex-shrink: 0;
  }
  .sec-head h2 { font-size: 25px; font-weight: 800; letter-spacing: -.6px; }
  .sec-head .count { font-size: 13px; color: var(--text-2); font-weight: 600; }
  .sec-head .more { margin-left: auto; font-size: 14px; font-weight: 700; color: var(--orange-2); }
  .sec-head .more:hover { text-decoration: underline; }

  /* ===== 图片卡片网格 ===== */
  .grid-6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }

  .pic-card {
    background: var(--card); border-radius: var(--radius-card);
    overflow: hidden; border: 1px solid var(--line);
    box-shadow: var(--shadow); transition: transform .25s, box-shadow .25s;
    display: flex; flex-direction: column;
  }
  .pic-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
  .pic-cover {
    position: relative; height: 240px; overflow: hidden;
    background: linear-gradient(140deg, #ffe0cc, #ffd0b3);
  }
  .pic-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
  .pic-card:hover .pic-cover img { transform: scale(1.05); }
  .tag {
    position: absolute; top: 12px; left: 12px;
    background: rgba(255, 255, 255, .92);
    color: var(--orange-2); font-size: 12px; font-weight: 700;
    padding: 3px 11px; border-radius: 999px;
    backdrop-filter: blur(6px);
  }
  .pic-info { padding: 15px 17px 17px; }
  .pic-info h3 { font-size: 17px; font-weight: 800; margin-bottom: 6px; letter-spacing: -.3px; }
  .pic-meta {
    display: flex; justify-content: space-between; align-items: center;
    font-size: 12.5px; color: var(--text-2);
  }
  .status {
    font-size: 11.5px; font-weight: 700; padding: 2px 10px;
    border-radius: 999px; background: #fff2e9; color: var(--orange-2);
  }
  .status.done { background: #f2f2f4; color: #7a6f68; }

  /* ===== 文字卡片 ===== */
  .text-card {
    background: #fff; border: 1px solid var(--line);
    border-radius: 16px; padding: 16px 18px;
    transition: transform .2s, border-color .2s, box-shadow .2s;
    display: flex; flex-direction: column; gap: 6px;
  }
  .text-card:hover { transform: translateY(-4px); border-color: var(--orange-1); box-shadow: var(--shadow); }
  .text-card h3 { font-size: 15.5px; font-weight: 700; }
  .text-card .row { display: flex; justify-content: space-between; align-items: center; font-size: 12.5px; color: var(--text-2); }

  /* ===== 双栏列表 ===== */
  .duo { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
  .panel {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-block); padding: 24px;
    box-shadow: var(--shadow);
  }
  .panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
  .panel-head h2 { font-size: 20px; font-weight: 800; letter-spacing: -.4px; }
  .panel-head a { font-size: 13px; font-weight: 700; color: var(--orange-2); }
  .list-row {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 12px; border-radius: 12px;
    font-size: 14px; transition: .2s;
    border-bottom: 1px dashed var(--line);
  }
  .list-row:last-child { border-bottom: none; }
  .list-row:hover { transform: translateX(5px); background: #fff7f2; box-shadow: 0 6px 16px rgba(255, 120, 60, .10); }
  .list-day, .list-rank {
    font-weight: 800; color: var(--orange-2); min-width: 44px; font-size: 13px;
  }
  .list-name { flex: 1; font-weight: 600; }
  .list-num { font-size: 12.5px; color: var(--text-2); }
  .badge-top {
    font-size: 11px; font-weight: 800; color: #fff;
    background: linear-gradient(100deg, var(--orange-2), var(--orange-1));
    padding: 2px 9px; border-radius: 999px;
  }

  /* ===== 特色 ===== */
  .feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
  .feature {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-card); padding: 26px;
    display: flex; gap: 18px; align-items: flex-start;
    transition: transform .25s, box-shadow .25s;
    box-shadow: var(--shadow);
  }
  .feature:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
  .feature .fi {
    width: 52px; height: 52px; border-radius: 15px; flex-shrink: 0;
    background: linear-gradient(135deg, #ffe6d5, #ffd2bb);
    display: grid; place-items: center; font-size: 24px;
  }
  .feature h3 { font-size: 18px; font-weight: 800; margin-bottom: 6px; }
  .feature p { font-size: 14px; color: var(--text-2); }

  /* ===== 截图墙 ===== */
  .gallery {
    display: grid; grid-template-columns: repeat(5, 1fr);
    gap: 14px;
  }
  .gallery figure {
    border-radius: 14px; overflow: hidden; background: #fff;
    border: 1px solid var(--line); box-shadow: var(--shadow);
    transition: transform .25s;
  }
  .gallery figure:hover { transform: translateY(-5px); }
  .gallery img { width: 100%; height: 230px; object-fit: cover; }
  .gallery figcaption { font-size: 12px; color: var(--text-2); padding: 9px 11px; }

  /* ===== FAQ ===== */
  .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
  .faq {
    background: #fff; border: 1px solid var(--line);
    border-radius: 18px; padding: 20px 22px;
  }
  .faq h3 { font-size: 15.5px; font-weight: 800; margin-bottom: 8px; color: var(--orange-2); }
  .faq p { font-size: 14px; color: var(--text-2); }

  /* ===== 跟随下载 ===== */
  .float-dl {
    position: fixed; right: 22px; bottom: 22px; z-index: 200;
    display: flex; flex-direction: column; align-items: flex-end; gap: 8px;
  }
  .float-tip {
    background: rgba(45, 30, 22, .82); color: #fff;
    font-size: 12px; font-weight: 600; padding: 5px 14px;
    border-radius: 999px; backdrop-filter: blur(6px);
  }
  .float-btn {
    display: inline-flex; align-items: center; gap: 8px;
    background: linear-gradient(100deg, var(--orange-2), var(--orange-1));
    color: #fff; font-size: 17px; font-weight: 800;
    padding: 16px 32px; border-radius: 60px;
    box-shadow: 0 14px 30px rgba(255, 94, 43, .40);
    animation: pulse 2.5s infinite;
    transition: transform .2s, box-shadow .2s;
  }
  .float-btn:hover { transform: scale(1.03); box-shadow: 0 20px 40px rgba(255, 94, 43, .5); }
  .float-btn:active { transform: scale(.98); }
  @keyframes pulse {
    0%, 100% { box-shadow: 0 14px 30px rgba(255, 94, 43, .34), 0 0 0 0 rgba(255, 110, 50, .34); }
    50% { box-shadow: 0 14px 30px rgba(255, 94, 43, .40), 0 0 0 14px rgba(255, 110, 50, 0); }
  }

  /* ===== Footer ===== */
  footer {
    background: var(--bg-soft);
    border-top: 1px solid var(--line);
    padding: 34px 0 40px; margin-top: 20px;
  }
  .foot-inner {
    max-width: 1400px; margin: 0 auto; padding: 0 24px;
    display: flex; flex-wrap: wrap; gap: 20px;
    justify-content: space-between; align-items: flex-start;
  }
  .foot-left { font-size: 12.5px; color: #a3928a; line-height: 1.9; }
  .foot-left a { color: #a3928a; }
  .foot-left a:hover { color: var(--orange-2); }
  .foot-links { display: flex; gap: 18px; flex-wrap: wrap; font-size: 12.5px; color: #a3928a; }
  .foot-links a:hover { color: var(--orange-2); }
  .foot-time { font-size: 12px; color: #b4a59c; margin-top: 5px; }

  /* ===== 响应式 ===== */
  @media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; gap: 32px; }
    .grid-6, .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .gallery { grid-template-columns: repeat(3, 1fr); }
    .duo { grid-template-columns: 1fr; }
    .searchbox input { width: 110px; }
  }
  @media (max-width: 768px) {
    .topbar-inner { flex-wrap: wrap; gap: 10px; padding: 10px 16px; }
    .mainnav { order: 3; width: 100%; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 2px; }
    .mainnav a { font-size: 13px; padding: 6px 10px; }
    .searchbox { margin-left: auto; }
    .searchbox input { width: 96px; }
    .hero-inner { padding: 40px 16px 40px; }
    .hero-stats { padding: 22px 18px; gap: 14px; }
    .stat-num { font-size: 24px; min-width: 76px; }
    section { padding: 38px 0; }
    .wrap { padding: 0 16px; }
    .subnav-inner { padding: 8px 16px; gap: 14px; }
    .grid-6, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr; }
    .faq-grid { grid-template-columns: 1fr; }
    .gallery { grid-template-columns: repeat(2, 1fr); }
    .gallery img { height: 180px; }
    .sec-head h2 { font-size: 21px; }
    .float-dl { right: 14px; bottom: 14px; }
    .float-btn { font-size: 15px; padding: 13px 24px; }
    .foot-inner { flex-direction: column; }
  }
  @media (max-width: 480px) {
    .gallery { grid-template-columns: 1fr; }
    .gallery img { height: 240px; }
    .hero-badges span { font-size: 12px; }
    .stat-item { display: block; }
  }