/* roulang page: index */
:root {
    --felt: #0E3B2E;
    --felt-deep: #0E1512;
    --moss: #145240;
    --ivory: #F7F4EC;
    --paper: #FFFFFF;
    --linen: #DCD6C8;
    --chip: #E07A3F;
    --chip-dark: #C95F2A;
    --warn: #A83A3A;
    --ink: #1E2622;
    --ink-soft: #5A635E;
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-sm: 12px;
    --shadow-card: 0 10px 30px rgba(14, 59, 46, .08);
    --shadow-hover: 0 18px 42px rgba(14, 59, 46, .16);
    --container: 1240px;
  }

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

  html { scroll-behavior: smooth; scroll-padding-top: 110px; }

  body {
    margin: 0;
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Source Han Sans SC', 'Noto Sans CJK SC', 'Hiragino Sans GB', sans-serif;
    font-size: 17px;
    line-height: 1.85;
    letter-spacing: 0.012em;
    color: var(--ink);
    background-color: var(--ivory);
    background-image:
      radial-gradient(circle at 12% 8%, rgba(20, 82, 64, .05), transparent 42%),
      radial-gradient(circle at 88% 4%, rgba(224, 122, 63, .05), transparent 38%);
    -webkit-font-smoothing: antialiased;
  }

  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; }
  button { font-family: inherit; cursor: pointer; }
  input, select, textarea { font-family: inherit; font-size: 16px; }

  h1, h2, h3, h4 { margin: 0; font-weight: 800; line-height: 1.28; letter-spacing: 0.008em; color: var(--felt-deep); }

  .container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
  }

  @media (min-width: 768px) {
    .container { padding-left: 32px; padding-right: 32px; }
  }
  @media (min-width: 1024px) {
    .container { padding-left: 40px; padding-right: 40px; }
  }

  /* ---------- 顶部导航 ---------- */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 80;
    padding: 12px 0 10px;
    background: linear-gradient(180deg, rgba(247, 244, 236, .96) 62%, rgba(247, 244, 236, .72) 100%);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(220, 214, 200, .8);
  }

  .nav-panel {
    display: flex;
    align-items: center;
    gap: 18px;
    background: var(--paper);
    border: 1px solid var(--linen);
    border-radius: var(--radius-lg);
    padding: 10px 14px;
    box-shadow: var(--shadow-card);
  }

  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: linear-gradient(145deg, var(--felt) 0%, var(--moss) 100%);
    display: grid;
    place-items: center;
    color: #F0E7D6;
    font-weight: 800;
    font-size: 15px;
    letter-spacing: .04em;
    box-shadow: inset 0 0 0 1px rgba(247, 244, 236, .22);
  }

  .brand-text { display: flex; flex-direction: column; line-height: 1.2; }
  .brand-text strong { font-size: 16px; font-weight: 800; color: var(--felt); letter-spacing: .01em; }
  .brand-text span { font-size: 11.5px; color: var(--ink-soft); letter-spacing: .06em; }

  .nav-links {
    display: none;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
  }

  .nav-links a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 13px;
    border-radius: 12px;
    font-size: 14.5px;
    font-weight: 600;
    color: #33403A;
    border: 1px solid transparent;
    transition: background .22s ease, color .22s ease, border-color .22s ease, transform .22s ease;
    white-space: nowrap;
  }

  .nav-links a:hover {
    background: #EEF3EF;
    border-color: #D5E2D9;
    color: var(--felt);
    transform: translateY(-1px);
  }

  .nav-links a.is-active {
    background: var(--felt);
    color: #F7F4EC;
    border-color: var(--felt);
    box-shadow: 0 6px 16px rgba(14, 59, 46, .22);
  }

  .nav-links a i { font-size: 13px; opacity: .85; }

  .nav-cta {
    display: none;
    margin-left: auto;
    flex-shrink: 0;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    border: 1px solid transparent;
    transition: transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease, border-color .2s ease;
    letter-spacing: .01em;
  }

  .btn-primary {
    background: var(--felt);
    color: #F7F4EC;
    box-shadow: 0 8px 20px rgba(14, 59, 46, .2);
  }
  .btn-primary:hover { background: var(--chip-dark); box-shadow: 0 12px 26px rgba(201, 95, 42, .28); transform: translateY(-2px); }
  .btn-primary:active { transform: translateY(0); }

  .btn-ghost {
    background: transparent;
    color: var(--felt);
    border-color: #B9CBBF;
  }
  .btn-ghost:hover { background: #E9F0EA; border-color: var(--felt); transform: translateY(-2px); }

  .btn-chip {
    background: var(--chip);
    color: #FFFFFF;
    box-shadow: 0 10px 24px rgba(224, 122, 63, .3);
  }
  .btn-chip:hover { background: var(--chip-dark); transform: translateY(-2px); }

  .btn:focus-visible,
  a:focus-visible,
  .faq-q:focus-visible,
  input:focus-visible,
  button:focus-visible {
    outline: 2px solid var(--chip);
    outline-offset: 2px;
    border-radius: 10px;
  }

  .hamburger {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    border: 1px solid var(--linen);
    background: #FBF9F4;
    color: var(--felt);
    font-size: 18px;
  }

  .mobile-drawer {
    display: none;
    margin-top: 10px;
    background: var(--paper);
    border: 1px solid var(--linen);
    border-radius: var(--radius-md);
    padding: 12px;
    box-shadow: var(--shadow-card);
  }
  .mobile-drawer.open { display: block; }
  .mobile-drawer a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    color: #33403A;
    border: 1px solid transparent;
  }
  .mobile-drawer a:hover { background: #EEF3EF; }
  .mobile-drawer a.is-active { background: var(--felt); color: #F7F4EC; }

  @media (min-width: 1080px) {
    .nav-links { display: flex; }
    .nav-cta { display: inline-flex; }
    .hamburger { display: none; }
    .mobile-drawer { display: none !important; }
  }

  /* ---------- 锚点条 ---------- */
  .anchor-bar {
    margin-top: 14px;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }
  .anchor-bar::-webkit-scrollbar { display: none; }
  .anchor-bar a {
    flex: 0 0 auto;
    padding: 8px 15px;
    border-radius: 999px;
    font-size: 13.5px;
    font-weight: 600;
    color: #3B4A43;
    background: rgba(255, 255, 255, .78);
    border: 1px solid var(--linen);
    transition: all .2s ease;
  }
  .anchor-bar a:hover { background: var(--felt); color: #F7F4EC; border-color: var(--felt); }

  /* ---------- Hero ---------- */
  .hero {
    position: relative;
    margin-top: 26px;
    border-radius: 30px;
    overflow: hidden;
    background-color: var(--felt-deep);
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    color: #F2EDE1;
    box-shadow: 0 24px 60px rgba(14, 21, 18, .28);
  }

  .hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(14, 21, 18, .93) 0%, rgba(14, 59, 46, .86) 48%, rgba(14, 59, 46, .62) 100%);
  }

  .hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 44px 26px 46px;
  }

  @media (min-width: 768px) {
    .hero-inner { padding: 60px 46px 62px; }
  }
  @media (min-width: 1024px) {
    .hero-inner { grid-template-columns: 1.08fr .92fr; gap: 52px; padding: 74px 58px 76px; align-items: center; }
  }

  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 7px 15px;
    border-radius: 999px;
    background: rgba(247, 244, 236, .12);
    border: 1px solid rgba(247, 244, 236, .26);
    font-size: 13px;
    letter-spacing: .05em;
    color: #F0E3CE;
  }

  .hero h1 {
    color: #FBF8F1;
    font-size: clamp(2.05rem, 5.4vw, 3.35rem);
    line-height: 1.2;
    margin: 20px 0 0;
    letter-spacing: .005em;
  }

  .hero h1 em {
    font-style: normal;
    color: var(--chip);
  }

  .hero-sub {
    margin-top: 18px;
    font-size: clamp(1rem, 2.2vw, 1.14rem);
    line-height: 1.85;
    color: #D9D3C5;
    max-width: 40em;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
  }

  .hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 26px;
    font-size: 13.5px;
    color: #C6C0B1;
  }
  .hero-trust span { display: inline-flex; align-items: center; gap: 7px; }
  .hero-trust i { color: var(--chip); }

  .hero-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .mini-card {
    background: rgba(247, 244, 236, .96);
    border: 1px solid rgba(220, 214, 200, .9);
    border-radius: var(--radius-md);
    padding: 16px 17px;
    color: var(--felt-deep);
    transition: transform .24s ease, box-shadow .24s ease;
  }
  .mini-card:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(6, 20, 15, .32); }
  .mini-card i { color: var(--chip-dark); font-size: 16px; }
  .mini-card .k { font-size: 12px; letter-spacing: .08em; color: #727B75; text-transform: uppercase; margin-top: 8px; }
  .mini-card .v { font-size: 16.5px; font-weight: 800; margin-top: 3px; color: var(--felt); }
  .mini-card .d { font-size: 12.8px; color: #6D7772; line-height: 1.7; margin-top: 5px; }

  /* ---------- 通用板块 ---------- */
  section { position: relative; }
  .section { padding: 76px 0; }
  .section-tight { padding: 58px 0; }
  .section-dark {
    background: var(--felt-deep);
    background-image: linear-gradient(160deg, rgba(14, 59, 46, .9), rgba(14, 21, 18, .96));
    color: #E7E2D6;
  }
  .section-dark h2, .section-dark h3 { color: #F7F4EC; }
  .section-dark .lead { color: #BDB8AA; }

  .sec-head { max-width: 46em; margin-bottom: 40px; }
  .sec-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 12.8px;
    font-weight: 700;
    letter-spacing: .08em;
    color: var(--moss);
    background: rgba(20, 82, 64, .09);
    border: 1px solid rgba(20, 82, 64, .16);
  }
  .section-dark .sec-tag { color: #E9C9AE; background: rgba(224, 122, 63, .14); border-color: rgba(224, 122, 63, .3); }
  .sec-head h2 {
    font-size: clamp(1.55rem, 3.4vw, 2.15rem);
    margin-top: 16px;
  }
  .sec-head .lead { margin-top: 14px; font-size: 16.5px; color: var(--ink-soft); line-height: 1.88; }

  .card {
    background: var(--paper);
    border: 1px solid var(--linen);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 26px;
    transition: transform .26s ease, box-shadow .26s ease, border-color .26s ease;
  }
  .card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: rgba(224, 122, 63, .55); }

  .icon-badge {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: linear-gradient(150deg, rgba(20, 82, 64, .14), rgba(224, 122, 63, .14));
    color: var(--felt);
    font-size: 19px;
    border: 1px solid rgba(20, 82, 64, .13);
  }

  .card h3 { font-size: 1.2rem; margin-top: 16px; }
  .card p { margin: 10px 0 0; color: var(--ink-soft); font-size: 15.4px; line-height: 1.86; }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: 16px;
    font-size: 14.6px;
    font-weight: 700;
    color: var(--moss);
    border-bottom: 1.5px solid rgba(20, 82, 64, .28);
    padding-bottom: 2px;
    transition: color .2s ease, border-color .2s ease, gap .2s ease;
  }
  .text-link:hover { color: var(--chip-dark); border-color: var(--chip-dark); gap: 11px; }

  /* 卖点非对称网格 */
  .feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
  }
  @media (min-width: 900px) {
    .feature-grid {
      grid-template-columns: 1.05fr 1fr 1fr;
      grid-template-rows: auto auto;
    }
    .feature-grid .span-tall { grid-row: span 2; }
    .feature-grid .span-wide { grid-column: span 2; }
  }

  .big-card {
    background: linear-gradient(165deg, var(--felt) 0%, var(--moss) 100%);
    color: #EFE9DC;
    border: 1px solid rgba(247, 244, 236, .16);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: 0 18px 40px rgba(14, 59, 46, .22);
    display: flex;
    flex-direction: column;
    transition: transform .26s ease, box-shadow .26s ease;
  }
  .big-card:hover { transform: translateY(-3px); box-shadow: 0 24px 50px rgba(14, 59, 46, .3); }
  .big-card h3 { color: #FBF8F1; font-size: 1.45rem; margin-top: 18px; }
  .big-card p { color: #CFC9B9; font-size: 15.4px; line-height: 1.88; margin-top: 12px; }
  .big-card .icon-badge { background: rgba(247, 244, 236, .12); border-color: rgba(247, 244, 236, .22); color: #F3C39F; }

  .stat-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: auto;
    padding-top: 24px;
  }
  .stat-cell {
    background: rgba(247, 244, 236, .08);
    border: 1px solid rgba(247, 244, 236, .16);
    border-radius: var(--radius-sm);
    padding: 13px 14px;
  }
  .stat-cell b { display: block; font-size: 1.24rem; color: #FBF8F1; }
  .stat-cell span { font-size: 12.4px; color: #BEB8A8; letter-spacing: .04em; }

  /* ---------- 演示区 ---------- */
  .demo-wrap {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
    align-items: center;
  }
  @media (min-width: 1024px) { .demo-wrap { grid-template-columns: .92fr 1.08fr; gap: 46px; } }

  .device-frame {
    position: relative;
    border-radius: 30px;
    padding: 14px;
    background: linear-gradient(150deg, #16302A, #0B1512);
    border: 1px solid rgba(220, 214, 200, .22);
    box-shadow: 0 26px 60px rgba(14, 21, 18, .35);
  }
  .device-frame img { border-radius: 20px; width: 100%; height: auto; }
  .device-frame .notch {
    position: absolute;
    top: 22px;
    left: 50%;
    transform: translateX(-50%);
    width: 88px;
    height: 7px;
    border-radius: 999px;
    background: rgba(247, 244, 236, .22);
  }

  .shot-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
  }
  @media (min-width: 620px) { .shot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

  .shot {
    background: var(--paper);
    border: 1px solid var(--linen);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform .26s ease, box-shadow .26s ease, border-color .26s ease;
  }
  .shot:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(224, 122, 63, .55); }
  .shot img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
  .shot .cap { padding: 15px 17px 18px; }
  .shot .cap b { font-size: 15.4px; color: var(--felt); display: block; }
  .shot .cap span { font-size: 13.4px; color: var(--ink-soft); display: block; margin-top: 5px; line-height: 1.7; }

  .chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 11px;
    border-radius: 999px;
    font-size: 12.2px;
    font-weight: 700;
    letter-spacing: .04em;
  }
  .chip-green { background: rgba(20, 82, 64, .1); color: var(--moss); border: 1px solid rgba(20, 82, 64, .16); }
  .chip-orange { background: rgba(224, 122, 63, .13); color: var(--chip-dark); border: 1px solid rgba(224, 122, 63, .26); }
  .chip-red { background: rgba(168, 58, 58, .1); color: var(--warn); border: 1px solid rgba(168, 58, 58, .22); }

  /* ---------- 证据区 ---------- */
  .evidence-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 22px;
  }
  @media (min-width: 1024px) {
    .evidence-grid { grid-template-columns: .85fr 1.15fr; }
  }

  .metric-card {
    background: var(--paper);
    border: 1px solid var(--linen);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-card);
  }
  .metric-line {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px dashed var(--linen);
  }
  .metric-line:last-child { border-bottom: 0; padding-bottom: 4px; }
  .metric-line b { font-size: 1.72rem; color: var(--felt); font-weight: 800; }
  .metric-line span { font-size: 14px; color: var(--ink-soft); text-align: right; line-height: 1.6; }

  .timeline { list-style: none; margin: 0; padding: 0; }
  .timeline li {
    position: relative;
    padding: 0 0 22px 28px;
    border-left: 2px solid rgba(20, 82, 64, .16);
  }
  .timeline li:last-child { border-left-color: transparent; padding-bottom: 0; }
  .timeline li::before {
    content: "";
    position: absolute;
    left: -8px;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--paper);
    border: 3px solid var(--chip);
  }
  .timeline b { display: block; font-size: 15.6px; color: var(--felt); }
  .timeline span { display: block; font-size: 14px; color: var(--ink-soft); margin-top: 5px; line-height: 1.8; }
  .timeline em {
    font-style: normal;
    font-size: 12.6px;
    letter-spacing: .06em;
    color: #8A948E;
    display: block;
    margin-bottom: 3px;
  }

  .quote-strip {
    margin-top: 26px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }
  @media (min-width: 768px) { .quote-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

  .quote-card {
    background: #FCFAF5;
    border: 1px solid var(--linen);
    border-left: 4px solid var(--chip);
    border-radius: 16px;
    padding: 20px 22px;
  }
  .quote-card p { margin: 0; font-size: 14.8px; color: #3F4A45; line-height: 1.86; }
  .quote-card span { display: block; margin-top: 12px; font-size: 12.8px; color: #8A948E; }

  /* ---------- 版本对比表 ---------- */
  .table-shell {
    overflow-x: auto;
    border: 1px solid var(--linen);
    border-radius: var(--radius-lg);
    background: var(--paper);
    box-shadow: var(--shadow-card);
  }
  table.compare {
    width: 100%;
    min-width: 640px;
    border-collapse: collapse;
    font-size: 15px;
  }
  table.compare thead th {
    background: #F1EEE5;
    color: var(--felt);
    font-weight: 800;
    font-size: 14.4px;
    text-align: left;
    padding: 16px 20px;
    border-bottom: 1px solid var(--linen);
    white-space: nowrap;
  }
  table.compare tbody td {
    padding: 16px 20px;
    border-bottom: 1px solid #EFEBE1;
    color: #3F4A45;
    line-height: 1.78;
    vertical-align: top;
  }
  table.compare tbody tr:last-child td { border-bottom: 0; }
  table.compare tbody tr:hover td { background: #FAF8F2; }
  table.compare td:first-child { font-weight: 700; color: var(--felt-deep); white-space: nowrap; }

  .price-side {
    background: linear-gradient(160deg, var(--felt) 0%, var(--moss) 100%);
    border-radius: var(--radius-lg);
    padding: 30px;
    color: #EFE9DC;
    box-shadow: 0 20px 46px rgba(14, 59, 46, .24);
  }
  .price-side h3 { color: #FBF8F1; font-size: 1.32rem; }
  .price-side ul { list-style: none; margin: 20px 0 0; padding: 0; }
  .price-side li {
    display: flex;
    gap: 11px;
    align-items: flex-start;
    padding: 9px 0;
    font-size: 14.8px;
    color: #D4CEBE;
    line-height: 1.8;
  }
  .price-side li i { color: var(--chip); margin-top: 5px; }
  .price-side .btn { margin-top: 22px; width: 100%; }

  /* ---------- CMS 列表 ---------- */
  .news-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 22px;
  }
  @media (min-width: 700px) { .news-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (min-width: 1080px) { .news-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

  .news-card {
    display: flex;
    flex-direction: column;
    background: var(--paper);
    border: 1px solid var(--linen);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform .26s ease, box-shadow .26s ease, border-color .26s ease;
  }
  .news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(224, 122, 63, .55); }
  .news-card .thumb { aspect-ratio: 16 / 9; overflow: hidden; background: #F1EEE5; }
  .news-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
  .news-card:hover .thumb img { transform: scale(1.05); }
  .news-card .body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
  .news-card h3 { font-size: 1.08rem; line-height: 1.55; }
  .news-card h3 a:hover { color: var(--chip-dark); }
  .news-card .excerpt { margin-top: 10px; font-size: 14.6px; color: var(--ink-soft); line-height: 1.84; }
  .news-meta {
    margin-top: auto;
    padding-top: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: #8A948E;
    border-top: 1px dashed var(--linen);
    flex-wrap: wrap;
  }
  .news-meta .push { margin-left: auto; }
  .news-meta a { color: var(--moss); font-weight: 700; }
  .news-meta a:hover { color: var(--chip-dark); }

  .empty-state {
    border: 2px dashed var(--linen);
    border-radius: var(--radius-lg);
    padding: 52px 26px;
    text-align: center;
    background: #FCFAF5;
    grid-column: 1 / -1;
  }
  .empty-state i { font-size: 30px; color: var(--chip); }
  .empty-state p { margin: 14px 0 0; color: var(--ink-soft); font-size: 15.4px; }

  /* ---------- FAQ ---------- */
  .faq-list {
    max-width: 900px;
    margin: 0 auto;
    border-top: 1px solid var(--linen);
  }
  .faq-item { border-bottom: 1px solid var(--linen); }
  .faq-q {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
    background: transparent;
    border: 0;
    text-align: left;
    padding: 22px 4px;
    font-size: 16.6px;
    font-weight: 700;
    color: var(--felt-deep);
    transition: color .2s ease;
  }
  .faq-q:hover { color: var(--chip-dark); }
  .faq-q .num {
    flex: 0 0 auto;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: rgba(20, 82, 64, .09);
    color: var(--moss);
    font-size: 13px;
    font-weight: 800;
  }
  .faq-q .arrow {
    margin-left: auto;
    color: var(--ink-soft);
    transition: transform .3s ease, color .3s ease;
    font-size: 14px;
  }
  .faq-item.open .faq-q .arrow { transform: rotate(180deg); color: var(--chip-dark); }
  .faq-item.open .faq-q .num { background: var(--felt); color: #F7F4EC; }
  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .34s ease, padding .34s ease;
    padding: 0 4px 0 52px;
  }
  .faq-item.open .faq-a { max-height: 460px; padding-bottom: 24px; }
  .faq-a p { margin: 0; color: var(--ink-soft); font-size: 15.4px; line-height: 1.9; }

  /* ---------- 底部 CTA ---------- */
  .cta-band {
    border-radius: 30px;
    padding: 50px 26px;
    text-align: center;
    background-color: var(--felt-deep);
    background-image: linear-gradient(140deg, rgba(14, 59, 46, .94), rgba(14, 21, 18, .97)), url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    color: #F2EDE1;
    box-shadow: 0 24px 56px rgba(14, 21, 18, .3);
  }
  @media (min-width: 768px) { .cta-band { padding: 68px 56px; } }
  .cta-band h2 { color: #FBF8F1; font-size: clamp(1.6rem, 3.6vw, 2.2rem); }
  .cta-band p { margin: 16px auto 0; max-width: 44em; color: #CBC5B5; font-size: 16px; line-height: 1.9; }
  .cta-band .acts { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 30px; }

  /* ---------- 通知表单 ---------- */
  .notify {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    background: #FCFAF5;
    border: 1px solid var(--linen);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-card);
  }
  @media (min-width: 900px) { .notify { grid-template-columns: 1fr 1fr; align-items: center; gap: 34px; padding: 32px 36px; } }
  .notify h3 { font-size: 1.24rem; }
  .notify p { margin: 10px 0 0; font-size: 14.8px; color: var(--ink-soft); line-height: 1.86; }
  .field-row { display: flex; gap: 12px; flex-wrap: wrap; }
  .field-row input {
    flex: 1 1 240px;
    min-width: 0;
    padding: 13px 16px;
    border-radius: 14px;
    border: 1px solid var(--linen);
    background: var(--ivory);
    color: var(--ink);
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
  }
  .field-row input::placeholder { color: #A6AEA8; }
  .field-row input:focus {
    outline: none;
    background: var(--paper);
    border-color: var(--felt);
    box-shadow: 0 0 0 4px rgba(20, 82, 64, .12);
  }
  .form-hint { margin-top: 12px; font-size: 12.8px; color: #8A948E; }
  .form-msg { margin-top: 12px; font-size: 13.6px; color: var(--moss); display: none; }
  .form-msg.show { display: block; }

  /* ---------- 页脚 ---------- */
  .site-footer {
    background: var(--felt);
    color: #D7D2C4;
    padding: 62px 0 26px;
    margin-top: 0;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 34px;
  }
  @media (min-width: 620px) { .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (min-width: 1024px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 40px; } }

  .site-footer h4 {
    color: #FBF8F1;
    font-size: 15.4px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: .02em;
  }
  .site-footer p { font-size: 14.2px; line-height: 1.9; color: #B9B4A6; margin: 0; }
  .footer-links { list-style: none; margin: 0; padding: 0; }
  .footer-links li { margin-bottom: 10px; }
  .footer-links a {
    font-size: 14.2px;
    color: #C6C1B2;
    transition: color .2s ease, transform .2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  .footer-links a:hover { color: var(--chip); transform: translateX(3px); }

  .footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
  }
  .footer-brand .brand-mark { background: rgba(247, 244, 236, .1); border: 1px solid rgba(247, 244, 236, .2); }
  .footer-brand strong { color: #FBF8F1; font-size: 16.5px; font-weight: 800; }

  .footer-bottom {
    margin-top: 44px;
    padding-top: 22px;
    border-top: 1px solid rgba(247, 244, 236, .14);
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    font-size: 13.2px;
    color: #9C9789;
  }

  /* ---------- 浮动 CTA ---------- */
  .float-cta {
    position: fixed;
    right: 26px;
    bottom: 30px;
    z-index: 70;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--paper);
    border: 1px solid var(--linen);
    border-radius: 999px;
    padding: 7px;
    box-shadow: 0 16px 40px rgba(14, 59, 46, .22);
  }
  .float-cta .btn { padding: 10px 18px; font-size: 14px; }
  .float-cta .btn-ghost { border-color: transparent; background: #F1EEE5; }
  .float-cta .btn-ghost:hover { background: #E6EEE8; }

  @media (max-width: 767px) {
    .float-cta {
      left: 12px;
      right: 12px;
      bottom: 10px;
      padding-bottom: calc(7px + env(safe-area-inset-bottom, 0px));
      justify-content: space-between;
      border-radius: 18px;
    }
    .float-cta .btn { flex: 1; padding: 11px 12px; font-size: 14px; }
    body { padding-bottom: 78px; }
  }

  .visually-hidden {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
  }

/* roulang page: article */
:root{
  --ink-green:#0E3B2E;
  --green-mid:#145240;
  --green-soft:#E4EFE9;
  --dark:#0E1512;
  --ivory:#F7F4EC;
  --paper:#FFFFFF;
  --linen:#DCD6C8;
  --linen-soft:#EFEBE1;
  --orange:#E07A3F;
  --orange-deep:#C95F2A;
  --orange-soft:#FBEDE2;
  --red:#A83A3A;
  --text:#1E2422;
  --muted:#6B716D;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-card:0 10px 30px rgba(14,59,46,.08);
  --shadow-hover:0 18px 42px rgba(14,59,46,.16);
  --ring:0 0 0 4px rgba(20,82,64,.14);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px;}
body.site-body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.012em;
  color:var(--text);
  background:var(--ivory);
  background-image:radial-gradient(rgba(14,59,46,.045) 1px,transparent 1px);
  background-size:22px 22px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--ink-green);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--orange-deep);}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.35;letter-spacing:.01em;color:var(--ink-green);}
p{margin:0 0 1.15em;}
ul,ol{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 28px;}}
@media (min-width:1280px){.container{padding:0 40px;}}

/* ---------- HEADER / NAV ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:14px 0 10px;
  background:linear-gradient(180deg,rgba(247,244,236,.97) 0%,rgba(247,244,236,.88) 70%,rgba(247,244,236,0) 100%);
  backdrop-filter:blur(8px);
}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--paper);
  border:1px solid var(--linen);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:12px 16px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:46px;height:46px;border-radius:14px;flex-shrink:0;
  background:linear-gradient(145deg,var(--ink-green),var(--green-mid));
  color:var(--ivory);font-size:14px;font-weight:800;letter-spacing:0;
  display:flex;align-items:center;justify-content:center;
  box-shadow:inset 0 0 0 2px rgba(247,244,236,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:16px;font-weight:800;color:var(--ink-green);white-space:nowrap;}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.03em;}
.nav-links{display:none;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;font-weight:600;color:#33403A;
  padding:9px 13px;border-radius:12px;border:1px solid transparent;
  white-space:nowrap;transition:all .22s ease;
}
.nav-links a i{font-size:12px;color:var(--green-mid);transition:color .22s ease;}
.nav-links a:hover{background:var(--green-soft);border-color:rgba(20,82,64,.16);color:var(--ink-green);transform:translateY(-1px);}
.nav-links a.is-active{background:var(--ink-green);color:var(--ivory);border-color:var(--ink-green);box-shadow:0 8px 18px rgba(14,59,46,.22);}
.nav-links a.is-active i{color:var(--orange);}
.nav-cta{display:none;}
.hamburger{
  margin-left:auto;width:46px;height:46px;border-radius:14px;
  border:1px solid var(--linen);background:var(--ivory);color:var(--ink-green);
  font-size:17px;display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .2s ease;
}
.hamburger:hover{background:var(--green-soft);border-color:var(--green-mid);}
.mobile-drawer{display:none;flex-direction:column;gap:6px;margin-top:10px;padding:14px;background:var(--paper);
  border:1px solid var(--linen);border-radius:var(--radius-md);box-shadow:var(--shadow-card);}
.mobile-drawer.is-open{display:flex;}
.mobile-drawer a{
  display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:12px;
  font-size:14px;font-weight:600;color:#33403A;background:var(--ivory);border:1px solid var(--linen-soft);
}
.mobile-drawer a i{color:var(--green-mid);}
.mobile-drawer a.is-active{background:var(--ink-green);color:var(--ivory);border-color:var(--ink-green);}
.mobile-drawer a.is-active i{color:var(--orange);}
.anchor-bar{display:none;gap:8px;overflow-x:auto;margin-top:10px;padding:6px 14px;
  background:var(--paper);border:1px solid var(--linen);border-radius:999px;box-shadow:var(--shadow-card);}
.anchor-bar a{font-size:13px;font-weight:600;color:var(--muted);padding:6px 12px;border-radius:999px;white-space:nowrap;}
.anchor-bar a:hover{color:var(--ink-green);background:var(--green-soft);}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .nav-cta{display:inline-flex;}
  .hamburger{display:none;}
  .anchor-bar{display:flex;}
}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-size:14.5px;font-weight:700;letter-spacing:.02em;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:all .22s ease;text-align:center;
}
.btn-primary{background:var(--ink-green);color:var(--ivory);box-shadow:0 10px 24px rgba(14,59,46,.24);}
.btn-primary:hover{background:var(--orange-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(201,95,42,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(14,59,46,.24);}
.btn-outline{background:transparent;color:var(--ink-green);border-color:var(--ink-green);}
.btn-outline:hover{background:var(--green-soft);color:var(--ink-green);transform:translateY(-2px);}
.btn-ghost{background:var(--ivory);color:var(--ink-green);border-color:var(--linen);}
.btn-ghost:hover{background:#fff;border-color:var(--orange);color:var(--orange-deep);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:13.5px;}

/* ---------- BREADCRUMB ---------- */
.crumb-wrap{padding:22px 0 6px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);}
.crumb a{color:var(--muted);font-weight:600;}
.crumb a:hover{color:var(--orange-deep);}
.crumb i{font-size:10px;opacity:.6;}
.crumb .current{color:var(--ink-green);font-weight:700;}

/* ---------- ARTICLE LAYOUT ---------- */
.article-shell{padding:8px 0 64px;}
.article-grid{display:grid;grid-template-columns:1fr;gap:26px;}
.article-main{
  background:var(--paper);border:1px solid var(--linen);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);padding:26px 22px 34px;overflow:hidden;
}
@media (min-width:768px){.article-main{padding:38px 40px 46px;}}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
  padding:6px 14px;border-radius:999px;
  background:var(--green-soft);color:var(--green-mid);
}
.chip-orange{background:var(--orange-soft);color:var(--orange-deep);}
.article-head h1{
  font-size:clamp(1.6rem,1.25rem + 1.6vw,2.5rem);
  font-weight:800;line-height:1.32;margin:16px 0 14px;
  color:var(--ink-green);
}
.article-title-rule{width:74px;height:4px;border-radius:99px;background:linear-gradient(90deg,var(--orange),var(--ink-green));margin-bottom:18px;}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:13.5px;color:var(--muted);
  padding-bottom:20px;border-bottom:1px dashed var(--linen);}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--green-mid);font-size:12px;}

.article-body{font-size:17px;line-height:1.92;color:#232A27;max-width:48em;padding-top:24px;}
.article-body h2{
  font-size:clamp(1.3rem,1.12rem + .7vw,1.68rem);
  margin:38px 0 14px;padding-left:16px;position:relative;color:var(--ink-green);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:5px;border-radius:99px;
  background:linear-gradient(180deg,var(--orange),var(--ink-green));
}
.article-body h3{font-size:clamp(1.1rem,1rem + .45vw,1.32rem);margin:28px 0 10px;color:var(--green-mid);}
.article-body p{margin:0 0 1.2em;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em;}
.article-body li{margin-bottom:.5em;}
.article-body ul li::marker{color:var(--orange);}
.article-body ol li::marker{color:var(--ink-green);font-weight:700;}
.article-body img{border-radius:var(--radius-md);border:1px solid var(--linen);box-shadow:var(--shadow-card);margin:22px 0;}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:4px solid var(--orange);
  background:var(--ivory);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#3A423E;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:22px 0;font-size:15px;
  border:1px solid var(--linen);border-radius:var(--radius-sm);overflow:hidden;}
.article-body th{background:var(--ink-green);color:var(--ivory);font-weight:700;text-align:left;padding:13px 16px;font-size:14.5px;}
.article-body td{padding:12px 16px;border-top:1px solid var(--linen-soft);background:var(--paper);}
.article-body tr:nth-child(even) td{background:var(--ivory);}
.article-body code{background:var(--green-soft);color:var(--green-mid);padding:2px 7px;border-radius:6px;font-size:.92em;}
.article-body hr{border:none;border-top:1px dashed var(--linen);margin:32px 0;}
.article-body a{color:var(--orange-deep);font-weight:600;border-bottom:1px solid rgba(201,95,42,.35);}
.article-body a:hover{color:var(--ink-green);border-bottom-color:var(--ink-green);}

.empty-state{
  margin-top:26px;padding:44px 26px;text-align:center;
  border:2px dashed var(--linen);border-radius:var(--radius-md);background:var(--ivory);
}
.empty-state i{font-size:32px;color:var(--orange);margin-bottom:14px;}
.empty-state h2{font-size:1.35rem;margin-bottom:8px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px;}

/* ---------- SIDE CARD ---------- */
.side-stack{display:flex;flex-direction:column;gap:22px;}
.side-card{
  background:var(--paper);border:1px solid var(--linen);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);padding:22px;
}
.side-card h3{font-size:1.05rem;margin-bottom:14px;display:flex;align-items:center;gap:9px;}
.side-card h3 i{color:var(--orange);font-size:14px;}
.check-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:#3A423E;line-height:1.7;}
.check-list li i{color:var(--green-mid);font-size:13px;margin-top:6px;}
.side-card-dark{background:linear-gradient(160deg,var(--ink-green),#0A2C22);color:var(--ivory);border-color:transparent;}
.side-card-dark h3{color:var(--ivory);}
.side-card-dark p{color:rgba(247,244,236,.78);font-size:14.5px;}
@media (min-width:1024px){
  .article-grid{grid-template-columns:minmax(0,1fr) 330px;gap:28px;align-items:start;}
}

/* ---------- SECTION COMMON ---------- */
section{position:relative;}
.section{padding:62px 0;}
.section-head{max-width:46em;margin-bottom:34px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:.14em;
  text-transform:uppercase;color:var(--orange-deep);margin-bottom:12px;
}
.section-head h2{font-size:clamp(1.5rem,1.28rem + 1vw,2.15rem);margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.bg-paper{background:var(--paper);border-top:1px solid var(--linen);border-bottom:1px solid var(--linen);}

.tip-grid{display:grid;grid-template-columns:1fr;gap:18px;}
@media (min-width:640px){.tip-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.tip-grid{grid-template-columns:repeat(4,1fr);}}
.tip-card{
  background:var(--paper);border:1px solid var(--linen);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-card);transition:all .25s ease;
}
.tip-card:hover{transform:translateY(-3px);border-color:var(--orange);box-shadow:var(--shadow-hover);}
.tip-icon{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--green-soft);color:var(--ink-green);font-size:17px;margin-bottom:14px;
}
.tip-card h3{font-size:1.02rem;margin-bottom:8px;}
.tip-card p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.75;}

/* ---------- RELATED ---------- */
.related-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.related-card{
  display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--linen);
  border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);transition:all .25s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--orange);}
.related-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--green-soft);}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.related-card:hover .thumb img{transform:scale(1.05);}
.related-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-card .body h3{font-size:1.02rem;line-height:1.5;}
.related-card .body p{font-size:14px;color:var(--muted);margin:0;line-height:1.72;}
.related-card .go{font-size:13.5px;font-weight:700;color:var(--orange-deep);display:inline-flex;align-items:center;gap:7px;margin-top:auto;}
.related-card:hover .go{color:var(--ink-green);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:56em;}
.faq-item{background:var(--paper);border:1px solid var(--linen);border-radius:var(--radius-md);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;}
.faq-item.is-open{border-color:var(--green-mid);box-shadow:var(--shadow-card);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;background:transparent;border:none;
  padding:18px 20px;font-size:15.5px;font-weight:700;color:var(--ink-green);cursor:pointer;
}
.faq-q .num{
  width:28px;height:28px;flex-shrink:0;border-radius:9px;background:var(--green-soft);color:var(--green-mid);
  font-size:12.5px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.faq-q .arrow{margin-left:auto;color:var(--muted);font-size:13px;transition:transform .3s ease;}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg);color:var(--orange);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease;}
.faq-a p{padding:0 20px 20px 62px;margin:0;font-size:14.5px;color:#414A46;line-height:1.82;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:linear-gradient(150deg,#0B3125 0%,var(--ink-green) 55%,#124D3B 100%);
  color:var(--ivory);padding:40px 26px;box-shadow:0 22px 50px rgba(14,59,46,.28);
}
@media (min-width:768px){.cta-band{padding:52px 48px;}}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,122,63,.28),transparent 68%);
}
.cta-band::before{
  content:"";position:absolute;left:-60px;bottom:-90px;width:260px;height:260px;border-radius:50%;
  border:1px dashed rgba(247,244,236,.16);
}
.cta-band .inner{position:relative;z-index:2;max-width:44em;}
.cta-band h2{color:var(--ivory);font-size:clamp(1.4rem,1.2rem + 1vw,2rem);margin-bottom:12px;}
.cta-band p{color:rgba(247,244,236,.82);font-size:15.5px;margin-bottom:24px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn-ivory{background:var(--ivory);color:var(--ink-green);}
.btn-ivory:hover{background:var(--orange);color:#fff;transform:translateY(-2px);}
.btn-line{background:transparent;color:var(--ivory);border-color:rgba(247,244,236,.45);}
.btn-line:hover{background:rgba(247,244,236,.12);color:var(--ivory);border-color:var(--ivory);transform:translateY(-2px);}

/* ---------- FOOTER ---------- */
.site-footer{background:var(--dark);color:rgba(247,244,236,.8);padding:56px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;}}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand strong{color:var(--ivory);font-size:16.5px;font-weight:800;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(247,244,236,.66);margin:0;}
.site-footer h4{color:var(--ivory);font-size:15px;margin-bottom:16px;font-weight:700;}
.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(247,244,236,.7);font-size:14px;transition:color .2s ease,transform .2s ease;display:inline-block;}
.footer-links a:hover{color:var(--orange);transform:translateX(3px);}
.footer-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid rgba(247,244,236,.13);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(247,244,236,.5);
}

/* ---------- FLOAT CTA ---------- */
.float-cta{position:fixed;z-index:70;left:16px;right:16px;bottom:14px;display:flex;gap:10px;
  background:var(--paper);border:1px solid var(--linen);border-radius:999px;padding:8px;box-shadow:0 12px 34px rgba(14,59,46,.22);}
.float-cta .btn{flex:1;padding:11px 14px;font-size:13.5px;}
@media (min-width:768px){
  .float-cta{left:auto;right:26px;bottom:26px;flex-direction:column;border-radius:22px;padding:10px;width:auto;}
  .float-cta .btn{padding:12px 20px;font-size:14px;}
}
body.site-body{padding-bottom:86px;}
@media (min-width:768px){body.site-body{padding-bottom:0;}}

/* roulang page: category1 */
:root{
  --green-900:#0E3B2E;
  --green-800:#145240;
  --ink-dark:#0E1512;
  --ink:#22302B;
  --muted:#6B7A73;
  --ivory:#F7F4EC;
  --paper:#FFFFFF;
  --linen:#DCD6C8;
  --orange:#E07A3F;
  --orange-dark:#C95F2A;
  --danger:#A83A3A;
  --radius-xl:26px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-card:0 10px 30px rgba(14,59,46,.08);
  --shadow-hover:0 18px 44px rgba(14,59,46,.16);
  --container:1240px;
  --font-stack:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-stack);
  background:var(--ivory);
  color:var(--ink);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.012em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{color:var(--green-900);line-height:1.32;margin:0;font-weight:800;letter-spacing:.015em}
h1{font-size:clamp(2.15rem,3.4vw,3.3rem)}
h2{font-size:clamp(1.6rem,2.3vw,2.15rem)}
h3{font-size:clamp(1.18rem,1.4vw,1.42rem)}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.1em;padding-left:1.25em}
li{margin:.35em 0}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:68px 0}
.section-tight{padding:48px 0 0}
.section-head{max-width:820px;margin-bottom:34px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--orange-dark);text-transform:uppercase;margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:16.5px;margin-top:12px}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0 0}
.nav-panel{
  display:flex;align-items:center;gap:16px;
  background:rgba(247,244,236,.96);
  backdrop-filter:blur(10px);
  border:1px solid var(--linen);
  border-radius:var(--radius-xl);
  padding:12px 16px;
  box-shadow:var(--shadow-card);
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:15px;
  background:linear-gradient(150deg,var(--green-900),var(--green-800));
  color:#F7F4EC;font-size:14px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 8px 18px rgba(14,59,46,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text strong{font-size:16px;font-weight:800;color:var(--green-900);white-space:nowrap}
.brand-text span{font-size:11.5px;color:var(--muted);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;flex-wrap:wrap;justify-content:center}
.nav-links a{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;font-weight:600;color:#3A4C45;
  padding:9px 12px;border-radius:12px;border:1px solid transparent;
  transition:background .22s,color .22s,transform .22s,border-color .22s;
  white-space:nowrap;
}
.nav-links a i{color:var(--green-800);font-size:13px;transition:color .22s}
.nav-links a:hover{background:#fff;border-color:var(--linen);color:var(--green-900);transform:translateY(-1px)}
.nav-links a.is-active{background:var(--green-900);color:#F7F4EC;border-color:var(--green-900);box-shadow:0 8px 18px rgba(14,59,46,.2)}
.nav-links a.is-active i{color:var(--orange)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:11px 22px;
  font-size:14px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;
  transition:background .22s,color .22s,transform .22s,box-shadow .22s,border-color .22s;
}
.btn i{font-size:13px}
.btn-primary{background:var(--green-900);color:#F7F4EC;box-shadow:0 10px 22px rgba(14,59,46,.22)}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 16px 30px rgba(201,95,42,.3);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(14,59,46,.24)}
.btn-outline{background:transparent;border-color:rgba(14,59,46,.42);color:var(--green-900)}
.btn-outline:hover{background:#E9F2ED;border-color:var(--green-900);transform:translateY(-2px)}
.btn-light{background:#F7F4EC;color:var(--green-900)}
.btn-light:hover{background:var(--orange);color:#fff;transform:translateY(-2px)}
.nav-cta{flex-shrink:0}
.hamburger{
  display:none;width:44px;height:44px;border-radius:13px;
  background:#fff;border:1px solid var(--linen);color:var(--green-900);
  font-size:16px;align-items:center;justify-content:center;
  transition:background .22s,border-color .22s;
}
.hamburger:hover{background:var(--green-900);color:#F7F4EC;border-color:var(--green-900)}
.mobile-drawer{display:none}
.mobile-drawer.open{
  display:flex;flex-direction:column;gap:6px;
  margin-top:12px;padding:14px;
  background:#fff;border:1px solid var(--linen);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-card);
}
.mobile-drawer a{
  display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:12px;
  font-size:14.5px;font-weight:600;color:#3A4C45;
  transition:background .2s,color .2s;
}
.mobile-drawer a i{color:var(--green-800)}
.mobile-drawer a:hover{background:var(--ivory)}
.mobile-drawer a.is-active{background:var(--green-900);color:#F7F4EC}
.mobile-drawer a.is-active i{color:var(--orange)}
.anchor-bar{
  display:flex;gap:8px;margin-top:12px;overflow-x:auto;
  padding:10px 14px;background:#fff;
  border:1px solid var(--linen);border-radius:999px;
  box-shadow:0 6px 18px rgba(14,59,46,.06);
  scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar a{
  flex:0 0 auto;font-size:13px;font-weight:600;color:#3A4C45;
  padding:6px 14px;border-radius:999px;background:var(--ivory);
  border:1px solid transparent;transition:.2s;white-space:nowrap;
}
.anchor-bar a:hover{background:var(--green-900);color:#F7F4EC;border-color:var(--green-900)}

/* ============ Hero ============ */
.hero{padding-top:22px}
.hero-card{
  position:relative;overflow:hidden;
  border-radius:30px;
  background-image:linear-gradient(105deg,rgba(14,21,18,.92) 0%,rgba(14,59,46,.86) 46%,rgba(14,59,46,.62) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#F1EEE5;
  padding:58px 52px 54px;
  box-shadow:0 26px 60px rgba(14,59,46,.26);
}
.hero-card::after{
  content:"";position:absolute;right:-90px;bottom:-110px;
  width:330px;height:330px;border-radius:50%;
  border:38px solid rgba(224,122,63,.16);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .95fr;gap:44px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;border-radius:999px;
  background:rgba(247,244,236,.14);
  border:1px solid rgba(247,244,236,.28);
  font-size:13px;font-weight:700;letter-spacing:.08em;color:#F1EEE5;
  margin-bottom:20px;
}
.hero-badge i{color:var(--orange)}
.hero-card h1{color:#FBF9F4;max-width:19em}
.hero-card h1 em{font-style:normal;color:var(--orange)}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:rgba(241,238,229,.86);max-width:40em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.fact-card{
  background:rgba(247,244,236,.1);
  border:1px solid rgba(247,244,236,.22);
  border-radius:var(--radius-lg);
  padding:16px 18px;
  backdrop-filter:blur(4px);
  transition:background .25s,transform .25s,border-color .25s;
}
.fact-card:hover{background:rgba(247,244,236,.16);transform:translateY(-3px);border-color:rgba(224,122,63,.55)}
.fact-card span{display:block;font-size:12px;letter-spacing:.12em;color:rgba(241,238,229,.68);font-weight:700;margin-bottom:6px}
.fact-card strong{display:block;font-size:16px;font-weight:800;color:#FBF9F4;line-height:1.5}
.fact-card small{display:block;margin-top:6px;font-size:12.5px;color:rgba(241,238,229,.62);line-height:1.6}

/* ============ 通用卡片 / 网格 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.card{
  background:var(--paper);
  border:1px solid var(--linen);
  border-radius:var(--radius-xl);
  padding:26px 26px 28px;
  box-shadow:var(--shadow-card);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(224,122,63,.6)}
.card-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:16px;
  background:#E9F2ED;color:var(--green-900);font-size:20px;margin-bottom:18px;
}
.card h3{margin-bottom:10px}
.card p{color:#4B5C55;font-size:15.6px}
.card .text-link{
  display:inline-flex;align-items:center;gap:7px;
  margin-top:16px;font-size:14px;font-weight:700;color:var(--orange-dark);
  transition:gap .22s,color .22s;
}
.card .text-link:hover{gap:12px;color:var(--green-900)}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.03em;
  background:#E9F2ED;color:var(--green-800);
}
.chip-orange{background:#FBEDE3;color:var(--orange-dark)}
.chip-dark{background:rgba(247,244,236,.14);color:#F1EEE5;border:1px solid rgba(247,244,236,.24)}

/* ============ 步骤流 ============ */
.steps{display:grid;gap:18px;counter-reset:step}
.step{
  display:grid;grid-template-columns:88px minmax(0,1fr) 210px;gap:24px;align-items:center;
  background:var(--paper);border:1px solid var(--linen);
  border-radius:var(--radius-xl);padding:26px 28px;
  box-shadow:var(--shadow-card);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(224,122,63,.6)}
.step-num{
  font-size:30px;font-weight:900;color:var(--orange);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1;
}
.step-num small{display:block;font-size:12px;font-weight:700;color:var(--muted);letter-spacing:.16em;margin-top:8px}
.step-body h3{margin-bottom:8px}
.step-body p{color:#4B5C55;font-size:15.6px;margin-bottom:0}
.step-points{margin:12px 0 0;padding-left:19px;color:#4B5C55;font-size:15px}
.step-media img{border-radius:var(--radius-lg);border:1px solid var(--linen);width:100%;height:132px;object-fit:cover}

/* ============ 兼容表 ============ */
.table-wrap{
  background:var(--paper);border:1px solid var(--linen);
  border-radius:var(--radius-xl);box-shadow:var(--shadow-card);
  overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.compat{width:100%;border-collapse:collapse;min-width:720px}
table.compat th,table.compat td{padding:16px 20px;text-align:left;font-size:15px}
table.compat thead th{
  background:var(--green-900);color:#F1EEE5;
  font-size:13.5px;font-weight:700;letter-spacing:.06em;white-space:nowrap;
}
table.compat tbody tr{transition:background .2s}
table.compat tbody tr:nth-child(odd){background:#FCFBF7}
table.compat tbody tr:hover{background:#EFF5F1}
table.compat td{color:#41524B;border-bottom:1px solid #EFEBE0}
table.compat td strong{color:var(--green-900)}
.table-note{padding:16px 22px;background:#F4F1E8;color:var(--muted);font-size:13.5px;border-top:1px solid var(--linen)}

/* ============ 下载区 ============ */
.download-panel{
  display:grid;grid-template-columns:1.25fr .95fr;gap:26px;align-items:start;
}
.dl-card{
  background:var(--paper);border:1px solid var(--linen);
  border-radius:var(--radius-xl);padding:30px;box-shadow:var(--shadow-card);
}
.dl-list{display:grid;gap:14px;margin-top:22px}
.dl-item{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 20px;border:1px solid var(--linen);border-radius:var(--radius-md);
  background:#FCFBF7;transition:border-color .22s,background .22s,transform .22s;
}
.dl-item:hover{border-color:var(--orange);background:#fff;transform:translateY(-2px)}
.dl-item .dl-meta{display:flex;flex-direction:column;gap:4px}
.dl-item .dl-meta strong{font-size:16px;color:var(--green-900)}
.dl-item .dl-meta span{font-size:13px;color:var(--muted)}
.notice{
  background:#FDF2EC;border:1px solid rgba(201,95,42,.35);
  border-left:5px solid var(--orange-dark);
  border-radius:var(--radius-lg);padding:22px 24px;
}
.notice h3{color:var(--orange-dark);margin-bottom:12px;display:flex;align-items:center;gap:10px;font-size:1.1rem}
.notice ul{padding-left:20px;color:#5C4A40;font-size:15px;margin-bottom:0}
.danger{
  background:#FBF1F1;border:1px solid rgba(168,58,58,.32);
  border-left:5px solid var(--danger);
  border-radius:var(--radius-lg);padding:20px 24px;color:#5E3030;font-size:15px;
  margin-top:18px;
}
.danger strong{color:var(--danger)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--paper);border:1px solid var(--linen);
  border-radius:var(--radius-lg);overflow:hidden;
  transition:border-color .22s,box-shadow .22s;
}
.faq-item[open]{border-color:rgba(224,122,63,.7);box-shadow:var(--shadow-card)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:19px 24px;font-size:16.5px;font-weight:700;color:var(--green-900);
  transition:background .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FCFBF7}
.faq-item summary .fq-num{
  flex:0 0 auto;width:30px;height:30px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:#E9F2ED;color:var(--green-800);font-size:13px;font-weight:800;
}
.faq-item summary .fq-arrow{margin-left:auto;color:var(--orange-dark);transition:transform .25s}
.faq-item[open] summary .fq-arrow{transform:rotate(180deg)}
.faq-item .faq-body{padding:0 24px 22px 68px;color:#4B5C55;font-size:15.6px}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background-image:linear-gradient(115deg,rgba(14,21,18,.94),rgba(14,59,46,.9)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  border-radius:30px;padding:54px 50px;color:#F1EEE5;
  display:grid;grid-template-columns:1.3fr .9fr;gap:36px;align-items:center;
  box-shadow:0 26px 60px rgba(14,59,46,.24);
}
.cta-band h2{color:#FBF9F4}
.cta-band p{color:rgba(241,238,229,.84);font-size:16.5px;margin-top:14px;max-width:38em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-side{display:grid;gap:12px}
.cta-side .fact-card{background:rgba(247,244,236,.09)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:78px;background:#0E1512;color:#CFD8D3;
  padding:60px 0 28px;font-size:15px;
}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.15fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand strong{font-size:16.5px;color:#F7F4EC;font-weight:800}
.site-footer h4{color:#F7F4EC;font-size:15px;font-weight:800;margin-bottom:16px;letter-spacing:.04em}
.site-footer p{color:#9FB0A9;font-size:14.5px;line-height:1.85}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-links a{color:#9FB0A9;font-size:14.5px;transition:color .2s,padding-left .2s;display:inline-block}
.footer-links a:hover{color:var(--orange);padding-left:4px}
.footer-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid rgba(247,244,236,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:#7E8F88;font-size:13.5px;
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:flex;align-items:center;gap:8px;
  background:var(--green-900);border-radius:999px;padding:8px;
  box-shadow:0 18px 42px rgba(14,59,46,.4);
}
.float-cta a{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;font-weight:700;color:#F1EEE5;
  padding:9px 16px;border-radius:999px;transition:.22s;white-space:nowrap;
}
.float-cta a.main{background:var(--orange);color:#fff}
.float-cta a.main:hover{background:var(--orange-dark);transform:translateY(-2px)}
.float-cta a.ghost:hover{background:rgba(247,244,236,.14)}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .nav-links a{font-size:12.8px;padding:8px 9px}
  .brand-text span{display:none}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .hamburger{display:inline-flex;margin-left:auto}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-card{padding:44px 32px}
  .step{grid-template-columns:72px minmax(0,1fr);gap:18px}
  .step-media{display:none}
  .download-panel{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:44px 32px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:52px 0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .hero-card{padding:34px 22px;border-radius:24px}
  .hero-facts{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .step{grid-template-columns:1fr;padding:22px}
  .step-num{font-size:24px}
  .step-num small{display:inline;margin-left:10px;letter-spacing:.1em}
  .card{padding:22px;border-radius:var(--radius-lg)}
  .dl-item{flex-direction:column;align-items:flex-start}
  .dl-item .btn{width:100%}
  .faq-item .faq-body{padding:0 20px 20px 20px}
  .faq-item summary{padding:16px 18px;font-size:15.5px}
  .cta-band{padding:34px 22px;border-radius:24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .float-cta{left:12px;right:12px;bottom:12px;border-radius:18px;justify-content:space-between;padding:8px}
  .float-cta a{flex:1;justify-content:center;font-size:13px;padding:9px 10px}
  .anchor-bar{border-radius:16px}
}
@media (max-width:520px){
  h1{font-size:1.95rem}
  .brand-text strong{font-size:14.5px}
  table.compat th,table.compat td{padding:13px 15px;font-size:14px}
}

/* roulang page: category2 */
:root{
  --green:#0E3B2E;
  --green-2:#145240;
  --dark:#0E1512;
  --paper:#F7F4EC;
  --white:#FFFFFF;
  --linen:#DCD6C8;
  --orange:#E07A3F;
  --orange-2:#C95F2A;
  --red:#A83A3A;
  --ink:#16211C;
  --muted:#5C6B63;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow:0 10px 30px rgba(14,59,46,.08);
  --shadow-hover:0 18px 42px rgba(14,59,46,.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:10px}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:.01em;color:var(--ink)}
p{margin:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,236,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(220,214,200,.85);
  padding:12px 0;
}
.nav-panel{
  display:flex;align-items:center;gap:16px;
  background:var(--white);
  border:1px solid var(--linen);
  border-radius:22px;
  padding:10px 16px;
  box-shadow:var(--shadow);
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:46px;height:46px;border-radius:14px;
  background:linear-gradient(140deg,var(--green),var(--green-2));
  color:var(--paper);display:grid;place-items:center;
  font-size:13px;font-weight:800;letter-spacing:.02em;flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:15px;font-weight:800;color:var(--green)}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.02em}
.nav-links{display:none;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav-links a{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 13px;border-radius:12px;font-size:13.5px;color:#3C4A43;
  border:1px solid transparent;transition:all .22s ease;white-space:nowrap;
}
.nav-links a i{font-size:12px;color:var(--green-2);transition:color .22s ease}
.nav-links a:hover{background:#F2EEE2;border-color:var(--linen);color:var(--green);transform:translateY(-1px)}
.nav-links a.is-active{background:var(--green);color:var(--paper);box-shadow:0 6px 16px rgba(14,59,46,.24)}
.nav-links a.is-active i{color:var(--paper)}
.nav-cta{display:none}
.hamburger{
  margin-left:auto;width:44px;height:44px;border-radius:13px;
  border:1px solid var(--linen);background:#FBF9F3;color:var(--green);
  display:grid;place-items:center;font-size:17px;transition:.2s;
}
.hamburger:hover{background:#F2EEE2}
.mobile-drawer{
  display:none;flex-direction:column;gap:6px;
  margin-top:10px;padding:14px;background:var(--white);
  border:1px solid var(--linen);border-radius:20px;box-shadow:var(--shadow);
}
.mobile-drawer.open{display:flex}
.mobile-drawer a{
  display:flex;align-items:center;gap:9px;
  padding:11px 13px;border-radius:13px;font-size:14px;color:#3C4A43;
  border:1px solid transparent;transition:.2s;
}
.mobile-drawer a i{color:var(--green-2);font-size:13px}
.mobile-drawer a:hover{background:#F2EEE2;border-color:var(--linen)}
.mobile-drawer a.is-active{background:var(--green);color:var(--paper)}
.mobile-drawer a.is-active i{color:var(--paper)}
.anchor-bar{
  display:flex;gap:8px;margin-top:10px;overflow-x:auto;padding-bottom:2px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar a{
  flex:0 0 auto;font-size:12.5px;padding:7px 14px;border-radius:999px;
  background:var(--white);border:1px solid var(--linen);color:#44534B;transition:.2s;
}
.anchor-bar a:hover{background:var(--green);color:var(--paper);border-color:var(--green)}
@media (min-width:1180px){
  .nav-links{display:flex}
  .nav-cta{display:inline-flex}
  .hamburger{display:none}
  .mobile-drawer{display:none !important}
}
@media (min-width:700px) and (max-width:1179px){
  .anchor-bar{margin-top:12px}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-size:14.5px;font-weight:700;
  border:1px solid transparent;transition:all .22s ease;cursor:pointer;line-height:1.4;
}
.btn-primary{background:var(--green);color:var(--paper);box-shadow:0 10px 24px rgba(14,59,46,.22)}
.btn-primary:hover{background:var(--orange-2);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(201,95,42,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(14,59,46,.2)}
.btn-ghost{background:transparent;color:var(--paper);border-color:rgba(247,244,236,.55)}
.btn-ghost:hover{background:rgba(247,244,236,.14);border-color:var(--paper);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--green);border-color:var(--green)}
.btn-outline:hover{background:#E7EFE9;transform:translateY(-2px)}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 10px 24px rgba(224,122,63,.26)}
.btn-orange:hover{background:var(--orange-2);transform:translateY(-2px)}
.btn-lg{padding:15px 30px;font-size:15.5px}

/* ============ 通用板块 ============ */
.section{padding:64px 0}
.section-tight{padding:48px 0}
.section-paper{background:var(--paper)}
.section-white{background:var(--white)}
.section-linen{background:#F1EDE1}
.section-dark{background:var(--dark);color:var(--paper)}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--green-2);
  background:#E7EFE9;border:1px solid #CFE0D6;border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.section-dark .eyebrow{background:rgba(247,244,236,.12);border-color:rgba(247,244,236,.28);color:#F0E6D6}
.section-title{font-size:clamp(1.55rem,1.2rem + 1.4vw,2.2rem);margin-bottom:12px}
.section-desc{color:var(--muted);font-size:15.5px;max-width:46em}
.section-dark .section-desc{color:rgba(247,244,236,.75)}
.lead{max-width:46em;color:#3C4A43;font-size:16.5px}

/* ============ 分类页 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:var(--paper);
  padding:66px 0 76px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(14,21,18,.95) 0%,rgba(14,59,46,.88) 58%,rgba(20,82,64,.82) 100%);
}
.cat-hero::after{
  content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;
  border:26px solid rgba(224,122,63,.14);
}
.cat-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;gap:36px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.08em;
  border:1px solid rgba(247,244,236,.32);background:rgba(247,244,236,.1);
  border-radius:999px;padding:7px 15px;margin-bottom:18px;
}
.hero-title{font-size:clamp(2rem,1.5rem + 2.4vw,3.1rem);color:var(--paper);margin-bottom:16px}
.hero-sub{color:rgba(247,244,236,.86);font-size:16.5px;max-width:36em;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-facts{display:grid;grid-template-columns:1fr;gap:12px}
.fact-card{
  background:rgba(247,244,236,.1);border:1px solid rgba(247,244,236,.24);
  border-radius:16px;padding:14px 16px;backdrop-filter:blur(4px);
}
.fact-card strong{display:block;font-size:15px;color:var(--paper);margin-bottom:2px}
.fact-card span{font-size:12.5px;color:rgba(247,244,236,.72)}
.hero-note{
  margin-top:22px;display:flex;gap:10px;align-items:flex-start;
  font-size:13px;color:rgba(247,244,236,.8);
  border-left:3px solid var(--orange);padding-left:12px;max-width:42em;
}
@media (min-width:768px){
  .hero-facts{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.35fr .95fr;align-items:center;gap:52px}
  .hero-facts{grid-template-columns:1fr 1fr;gap:14px}
  .cat-hero{padding:84px 0 92px}
}

/* ============ 卡片 ============ */
.card{
  background:var(--white);border:1px solid var(--linen);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);transition:all .26s ease;height:100%;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--orange)}
.card h3{font-size:1.12rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.5px}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:#E7EFE9;color:var(--green);font-size:17px;margin-bottom:16px;
}
.card-icon.orange{background:#FBE9DD;color:var(--orange-2)}
.chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  padding:4px 11px;border-radius:999px;background:#E7EFE9;color:var(--green-2);
}
.chip-orange{background:#FBE9DD;color:var(--orange-2)}
.chip-line{background:transparent;border:1px solid var(--linen);color:var(--muted)}

/* ============ 步骤流 ============ */
.steps{display:grid;gap:18px}
.step{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;
  background:var(--white);border:1px solid var(--linen);border-radius:var(--radius-md);
  padding:22px 24px;box-shadow:var(--shadow);transition:.24s;
}
.step:hover{border-color:var(--green);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.step-num{
  font-size:18px;font-weight:800;color:var(--orange);
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:#FBE9DD;letter-spacing:.02em;
}
.step h3{font-size:1.06rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:14.5px}
.step ul{margin:10px 0 0;padding-left:0;list-style:none;display:grid;gap:6px}
.step ul li{
  position:relative;padding-left:18px;font-size:14px;color:#44534B;
}
.step ul li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--orange);
}
@media (min-width:900px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps .step:last-child:nth-child(odd){grid-column:span 2}
}

/* ============ 术语卡 ============ */
.term-grid{display:grid;gap:16px;grid-template-columns:1fr}
.term{
  background:var(--white);border:1px solid var(--linen);border-radius:var(--radius-md);
  padding:20px 22px;transition:.24s;box-shadow:0 4px 14px rgba(14,59,46,.05);
}
.term:hover{border-color:var(--orange);transform:translateY(-2px);box-shadow:var(--shadow)}
.term-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:8px}
.term-top strong{font-size:1.05rem;color:var(--green)}
.term-top em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.term p{font-size:14.5px;color:var(--muted)}
@media (min-width:640px){.term-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.term-grid{grid-template-columns:repeat(3,1fr)}}

/* ============ 图文交错 ============ */
.split{display:grid;gap:32px;align-items:center}
.split figure{margin:0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--linen);box-shadow:var(--shadow);background:var(--white)}
.split figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.split h3{font-size:1.3rem;margin-bottom:14px}
.split p{color:var(--muted);font-size:15px}
.rank-list{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:8px}
.rank-list li{
  display:flex;align-items:center;gap:12px;
  background:var(--white);border:1px solid var(--linen);border-radius:12px;
  padding:10px 14px;font-size:14.5px;color:#33413A;transition:.2s;
}
.rank-list li:hover{border-color:var(--orange);transform:translateX(3px)}
.rank-list li span{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
  background:#E7EFE9;color:var(--green);font-size:12px;font-weight:800;
}
@media (min-width:900px){
  .split{grid-template-columns:1fr 1fr;gap:46px}
  .split.reverse figure{order:2}
}

/* ============ 上手顺序时间线 ============ */
.timeline{position:relative;display:grid;gap:16px;padding-left:0}
.tl-item{
  position:relative;padding:20px 22px 20px 62px;
  background:var(--white);border:1px solid var(--linen);border-radius:var(--radius-md);
  box-shadow:0 4px 14px rgba(14,59,46,.05);transition:.24s;
}
.tl-item:hover{border-color:var(--green);transform:translateY(-2px);box-shadow:var(--shadow)}
.tl-item::before{
  content:attr(data-step);position:absolute;left:18px;top:20px;
  width:30px;height:30px;border-radius:10px;display:grid;place-items:center;
  background:var(--green);color:var(--paper);font-size:12.5px;font-weight:800;
}
.tl-item h3{font-size:1.03rem;margin-bottom:6px}
.tl-item p{font-size:14.5px;color:var(--muted)}
@media (min-width:900px){.timeline{grid-template-columns:repeat(2,1fr)}}

/* ============ 误区对照 ============ */
.compare-grid{display:grid;gap:16px;grid-template-columns:1fr}
.compare{
  background:var(--white);border:1px solid var(--linen);border-radius:var(--radius-md);
  padding:20px 22px;box-shadow:0 4px 14px rgba(14,59,46,.05);
}
.compare .wrong{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#7A3A3A;
  background:#F7EDED;border:1px dashed #E0C4C4;border-radius:12px;padding:11px 13px;margin-bottom:12px;
}
.compare .right{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#1F4A38;
  background:#EBF3EE;border:1px solid #CFE0D6;border-radius:12px;padding:11px 13px;
}
.compare i{margin-top:4px;font-size:13px}
@media (min-width:768px){.compare-grid{grid-template-columns:repeat(2,1fr)}}

/* ============ 提示条 ============ */
.alert-bar{
  display:flex;gap:14px;align-items:flex-start;
  background:#F7EDED;border:1px solid #E3C9C9;border-left:5px solid var(--red);
  border-radius:var(--radius-md);padding:18px 22px;color:#6E3232;font-size:14.5px;
}
.alert-bar i{color:var(--red);font-size:17px;margin-top:3px}
.alert-bar strong{color:#5A2626}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:960px}
.faq-item{
  background:var(--white);border:1px solid var(--linen);border-radius:var(--radius-md);
  overflow:hidden;transition:.24s;
}
.faq-item[open]{border-color:var(--green);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:18px 22px;font-size:15.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q-index{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
  background:#E7EFE9;color:var(--green);font-size:12.5px;font-weight:800;
}
.faq-item summary .q-arrow{margin-left:auto;color:var(--muted);transition:transform .25s;font-size:13px}
.faq-item[open] summary .q-arrow{transform:rotate(180deg);color:var(--orange-2)}
.faq-item summary:hover{background:#FBF9F3}
.faq-body{padding:0 22px 20px 64px;color:var(--muted);font-size:14.8px}
@media (max-width:640px){.faq-body{padding-left:22px}}

/* ============ 底部 CTA ============ */
.cta-block{
  position:relative;overflow:hidden;border-radius:28px;
  background:linear-gradient(125deg,var(--green) 0%,var(--dark) 100%);
  padding:48px 32px;color:var(--paper);box-shadow:0 24px 60px rgba(14,59,46,.24);
}
.cta-block::after{
  content:"";position:absolute;right:-70px;bottom:-70px;width:260px;height:260px;border-radius:50%;
  border:22px solid rgba(224,122,63,.18);
}
.cta-block h2{color:var(--paper);font-size:clamp(1.5rem,1.2rem + 1.2vw,2.1rem);margin-bottom:12px;position:relative;z-index:2}
.cta-block p{color:rgba(247,244,236,.82);max-width:44em;margin-bottom:26px;position:relative;z-index:2}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}
@media (min-width:768px){.cta-block{padding:62px 56px}}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;left:16px;right:16px;bottom:14px;z-index:70;
  display:flex;gap:10px;align-items:center;justify-content:space-between;
  background:rgba(14,21,18,.94);border:1px solid rgba(247,244,236,.18);
  border-radius:18px;padding:10px 12px;box-shadow:0 16px 40px rgba(0,0,0,.32);
  backdrop-filter:blur(8px);
}
.float-cta .float-text{display:none;font-size:13px;color:rgba(247,244,236,.78)}
.float-cta .btn{padding:10px 16px;font-size:13.5px}
@media (min-width:1024px){
  .float-cta{
    left:auto;right:26px;bottom:26px;width:auto;
    border-radius:999px;padding:10px 12px 10px 22px;gap:16px;
  }
  .float-cta .float-text{display:block}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(247,244,236,.8);padding:60px 0 26px;margin-top:0}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand strong{color:var(--paper);font-size:15.5px}
.site-footer p{font-size:14px;line-height:1.85}
.site-footer h4{color:var(--paper);font-size:14.5px;margin-bottom:16px;letter-spacing:.03em}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(247,244,236,.76);transition:.2s;display:inline-block}
.footer-links a:hover{color:var(--orange);transform:translateX(3px)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(247,244,236,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.8px;color:rgba(247,244,236,.6);
}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px}}

/* roulang page: category3 */
:root{
  --table:#0E3B2E;
  --table-deep:#0E1512;
  --green-2:#145240;
  --ivory:#F7F4EC;
  --paper:#FFFFFF;
  --linen:#DCD6C8;
  --orange:#E07A3F;
  --orange-deep:#C95F2A;
  --alert:#A83A3A;
  --ink:#0E1512;
  --ink-2:#3C4A44;
  --muted:#6B7A73;
  --radius-xl:24px;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow-sm:0 4px 14px rgba(14,59,46,.06);
  --shadow:0 10px 30px rgba(14,59,46,.08);
  --shadow-lg:0 18px 46px rgba(14,59,46,.16);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.015em;
  color:var(--ink);
  background:var(--ivory);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius)}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
button{font:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;letter-spacing:.01em;color:var(--ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
strong{font-weight:700}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 36px}}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,244,236,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(220,214,200,.85);
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:16px;
  background:var(--paper);
  border:1px solid var(--linen);
  border-radius:var(--radius-xl);
  padding:10px 14px;
  margin-top:14px;
  box-shadow:var(--shadow-sm);
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:46px;height:46px;flex-shrink:0;
  display:grid;place-items:center;
  border-radius:14px;
  background:linear-gradient(140deg,var(--table),var(--green-2));
  color:var(--ivory);
  font-size:13px;
  font-weight:800;
  letter-spacing:.04em;
  box-shadow:inset 0 0 0 1px rgba(247,244,236,.16);
}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text strong{font-size:16px;font-weight:800;color:var(--table)}
.brand-text span{font-size:12px;color:var(--muted);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 13px;
  border-radius:var(--radius-sm);
  font-size:14px;
  font-weight:500;
  color:var(--ink-2);
  border:1px solid transparent;
  white-space:nowrap;
}
.nav-links a i{font-size:13px;color:var(--muted);transition:color .22s ease}
.nav-links a:hover{background:var(--ivory);border-color:var(--linen);color:var(--table)}
.nav-links a:hover i{color:var(--table)}
.nav-links a.is-active{background:var(--table);color:var(--ivory);border-color:var(--table);box-shadow:var(--shadow-sm)}
.nav-links a.is-active i{color:var(--orange)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  border:1px solid transparent;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--table);color:var(--ivory);box-shadow:0 8px 20px rgba(14,59,46,.22)}
.btn-primary:hover{background:var(--orange-deep);transform:translateY(-2px);box-shadow:0 12px 26px rgba(201,95,42,.28)}
.btn-primary:active{transform:translateY(0);background:var(--table-deep)}
.btn-outline{background:transparent;color:var(--table);border-color:rgba(14,59,46,.35)}
.btn-outline:hover{background:rgba(20,82,64,.08);border-color:var(--table);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-light{background:var(--ivory);color:var(--table)}
.btn-light:hover{background:var(--orange);color:var(--ivory);transform:translateY(-2px)}
.btn-ghost-light{background:transparent;color:var(--ivory);border-color:rgba(247,244,236,.45)}
.btn-ghost-light:hover{background:rgba(247,244,236,.14);border-color:var(--ivory);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.nav-cta{flex-shrink:0}
.hamburger{
  display:none;
  width:44px;height:44px;
  border-radius:var(--radius-sm);
  border:1px solid var(--linen);
  background:var(--ivory);
  color:var(--table);
  font-size:17px;
}
.mobile-drawer{display:none;margin-top:10px;background:var(--paper);border:1px solid var(--linen);border-radius:var(--radius-lg);padding:12px;box-shadow:var(--shadow)}
.mobile-drawer.open{display:grid;gap:6px}
.mobile-drawer a{
  display:flex;align-items:center;gap:10px;
  padding:12px 14px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  background:var(--ivory);
  border:1px solid transparent;
}
.mobile-drawer a i{color:var(--muted)}
.mobile-drawer a:hover{border-color:var(--linen);color:var(--table)}
.mobile-drawer a.is-active{background:var(--table);color:var(--ivory)}
.mobile-drawer a.is-active i{color:var(--orange)}
.anchor-bar{display:flex;gap:8px;overflow-x:auto;padding:12px 2px 0;scrollbar-width:none}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar a{
  flex:0 0 auto;
  padding:7px 15px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  color:var(--ink-2);
  background:rgba(255,255,255,.75);
  border:1px solid var(--linen);
}
.anchor-bar a:hover{background:var(--table);color:var(--ivory);border-color:var(--table)}

/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--table-deep);color:var(--ivory);padding:60px 0 68px;margin-top:22px}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(14,59,46,.92) 0%,rgba(14,59,46,.80) 42%,rgba(14,21,18,.94) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;right:-90px;top:-70px;width:320px;height:320px;border-radius:50%;
  border:26px solid rgba(224,122,63,.10);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;
  border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.05em;
  color:#F3BC98;
  background:rgba(224,122,63,.16);
  border:1px solid rgba(224,122,63,.38);
}
.cat-hero h1{color:var(--ivory);font-size:clamp(2rem,4vw,3.1rem);margin:20px 0 16px;font-weight:800}
.hero-lead{font-size:17px;line-height:1.9;color:rgba(247,244,236,.84);max-width:44em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-points{display:grid;gap:10px;margin-top:26px}
.hero-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(247,244,236,.78)}
.hero-points i{color:var(--orange);margin-top:5px;font-size:13px}
.hero-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.hero-card{
  background:rgba(247,244,236,.07);
  border:1px solid rgba(247,244,236,.18);
  border-radius:var(--radius);
  padding:16px 18px;
  transition:transform .22s ease,border-color .22s ease,background-color .22s ease;
}
.hero-card:hover{transform:translateY(-3px);border-color:rgba(224,122,63,.65);background:rgba(247,244,236,.11)}
.hero-card span{display:block;font-size:12px;letter-spacing:.06em;color:#F3BC98;font-weight:700}
.hero-card strong{display:block;font-size:16px;margin-top:6px;color:var(--ivory)}
.hero-card em{display:block;font-style:normal;font-size:13px;color:rgba(247,244,236,.62);margin-top:4px}

/* ---------- sections ---------- */
.section{padding:76px 0}
.section.tight{padding:56px 0}
.section.paper{background:var(--paper)}
.section.deep{background:var(--table);color:var(--ivory)}
.section-head{max-width:52em;margin-bottom:38px}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2.1rem);margin:14px 0 12px}
.section-head p{font-size:16px;color:var(--ink-2);line-height:1.9}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 14px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.05em;
  background:rgba(20,82,64,.10);color:var(--green-2);
}
.chip.orange{background:rgba(224,122,63,.14);color:var(--orange-deep)}
.chip.alert{background:rgba(168,58,58,.12);color:var(--alert)}
.deep .section-head p{color:rgba(247,244,236,.78)}

/* alert strip */
.alert-strip{
  display:flex;gap:16px;align-items:flex-start;
  background:#FDF6F5;
  border:1px solid rgba(168,58,58,.28);
  border-left:6px solid var(--alert);
  border-radius:var(--radius);
  padding:20px 22px;
  box-shadow:var(--shadow-sm);
}
.alert-strip i{color:var(--alert);font-size:20px;margin-top:3px}
.alert-strip strong{display:block;font-size:16px;color:var(--alert);margin-bottom:6px}
.alert-strip p{font-size:15px;color:var(--ink-2);line-height:1.85}

/* risk cards */
.risk-card{
  background:var(--paper);
  border:1px solid var(--linen);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;
}
.risk-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(224,122,63,.55)}
.risk-icon{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  background:rgba(168,58,58,.10);
  color:var(--alert);
  font-size:18px;
  margin-bottom:16px;
}
.risk-card h3{font-size:17.5px;margin-bottom:10px}
.risk-card p{font-size:15px;color:var(--ink-2);line-height:1.85}

/* compare */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-card{
  border-radius:var(--radius-xl);
  padding:26px;
  border:1px solid var(--linen);
  background:var(--paper);
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.compare-card.bad{border-color:rgba(168,58,58,.28);background:#FFFDFC}
.compare-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.compare-head .dot{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;font-size:17px}
.compare-card.good .dot{background:rgba(20,82,64,.10);color:var(--green-2)}
.compare-card.bad .dot{background:rgba(168,58,58,.10);color:var(--alert)}
.compare-head h3{font-size:18px}
.compare-card.bad .compare-head h3{color:var(--alert)}
.compare-list{display:grid;gap:12px}
.compare-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);line-height:1.8}
.compare-list i{margin-top:6px;font-size:12px}
.compare-card.good .compare-list i{color:var(--green-2)}
.compare-card.bad .compare-list i{color:var(--alert)}
.media-card{
  border-radius:var(--radius-xl);
  overflow:hidden;
  border:1px solid var(--linen);
  box-shadow:var(--shadow);
  background:var(--paper);
}
.media-card img{width:100%;height:100%;object-fit:cover;border-radius:0}
.media-card figcaption{padding:14px 18px;font-size:13.5px;color:var(--muted)}

/* checklist */
.checklist-wrap{display:grid;grid-template-columns:1.35fr .65fr;gap:28px;align-items:start}
.check-panel{
  background:var(--paper);
  border:1px solid var(--linen);
  border-radius:var(--radius-xl);
  padding:24px;
  box-shadow:var(--shadow);
}
.check-progress{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:16px;margin-bottom:10px;border-bottom:1px dashed var(--linen)}
.check-progress strong{font-size:16px;color:var(--table)}
.progress-track{height:8px;background:var(--ivory);border-radius:999px;overflow:hidden;margin-top:10px;border:1px solid var(--linen)}
.progress-bar{height:100%;width:0;background:linear-gradient(90deg,var(--green-2),var(--orange));transition:width .3s ease}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 12px;
  border-radius:var(--radius-sm);
  cursor:pointer;
  transition:background-color .2s ease;
}
.check-item:hover{background:var(--ivory)}
.check-item input{
  appearance:none;-webkit-appearance:none;
  width:22px;height:22px;flex-shrink:0;margin-top:4px;
  border:2px solid var(--linen);
  border-radius:7px;
  background:var(--paper);
  position:relative;
  cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease;
}
.check-item input:checked{background:var(--table);border-color:var(--table)}
.check-item input:checked::after{
  content:"";position:absolute;left:6px;top:2px;width:5px;height:10px;
  border:solid var(--ivory);border-width:0 2px 2px 0;transform:rotate(45deg);
}
.check-text strong{display:block;font-size:15.5px;color:var(--ink)}
.check-text em{display:block;font-style:normal;font-size:14px;color:var(--muted);margin-top:3px;line-height:1.75}
.side-card{
  background:linear-gradient(160deg,var(--table),var(--green-2));
  color:var(--ivory);
  border-radius:var(--radius-xl);
  padding:26px;
  box-shadow:var(--shadow);
}
.side-card h3{color:var(--ivory);font-size:18px;margin-bottom:14px}
.side-card ol{counter-reset:step;display:grid;gap:14px}
.side-card ol li{counter-increment:step;display:flex;gap:12px;font-size:14.5px;color:rgba(247,244,236,.86);line-height:1.8}
.side-card ol li::before{
  content:counter(step,decimal-leading-zero);
  flex-shrink:0;font-weight:800;font-size:13px;color:var(--orange);
  border:1px solid rgba(224,122,63,.45);border-radius:8px;
  padding:2px 7px;height:fit-content;margin-top:3px;
}

/* steps */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step-card{
  background:var(--paper);
  border:1px solid var(--linen);
  border-radius:var(--radius-lg);
  padding:24px;
  position:relative;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(20,82,64,.45)}
.step-num{
  display:inline-block;
  font-size:13px;font-weight:800;letter-spacing:.08em;
  color:var(--orange-deep);
  background:rgba(224,122,63,.12);
  border-radius:999px;
  padding:4px 12px;
  margin-bottom:14px;
}
.step-card h3{font-size:17px;margin-bottom:8px}
.step-card p{font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* faq */
.faq-list{display:grid;gap:14px}
.faq-item{
  background:var(--paper);
  border:1px solid var(--linen);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:rgba(20,82,64,.4);box-shadow:var(--shadow)}
.faq-item summary{
  display:flex;align-items:center;gap:14px;
  padding:20px 24px;
  cursor:pointer;
  font-size:16.5px;
  font-weight:700;
  color:var(--table);
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q-idx{
  flex-shrink:0;
  width:30px;height:30px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--ivory);
  color:var(--green-2);
  font-size:13px;font-weight:800;
  border:1px solid var(--linen);
}
.faq-item summary .arrow{margin-left:auto;color:var(--muted);transition:transform .25s ease;font-size:14px}
.faq-item[open] summary .arrow{transform:rotate(180deg);color:var(--orange)}
.faq-item .faq-body{padding:0 24px 22px 68px;font-size:15.5px;color:var(--ink-2);line-height:1.9}

/* cta */
.cta-panel{
  background:linear-gradient(120deg,var(--table) 0%,var(--green-2) 62%,#18452F 100%);
  color:var(--ivory);
  border-radius:var(--radius-xl);
  padding:52px 48px;
  position:relative;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.cta-panel::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;
  border:22px solid rgba(224,122,63,.14);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between}
.cta-inner h2{color:var(--ivory);font-size:clamp(1.4rem,2.2vw,1.9rem);margin-bottom:12px}
.cta-inner p{color:rgba(247,244,236,.82);font-size:15.5px;max-width:42em;line-height:1.9}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* footer */
.site-footer{background:var(--table-deep);color:rgba(247,244,236,.82);padding:62px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand strong{font-size:17px;color:var(--ivory)}
.site-footer p{font-size:14.5px;line-height:1.9;color:rgba(247,244,236,.72)}
.site-footer h4{font-size:15px;color:var(--ivory);margin-bottom:16px;letter-spacing:.03em}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14.5px;color:rgba(247,244,236,.74)}
.footer-links a:hover{color:var(--orange)}
.footer-bottom{
  margin-top:42px;padding-top:20px;
  border-top:1px solid rgba(247,244,236,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(247,244,236,.58);
}

/* floating cta */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:flex;align-items:center;gap:8px;
  padding:8px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--linen);
  border-radius:999px;
  box-shadow:var(--shadow-lg);
  transition:opacity .3s ease,transform .3s ease;
}
.float-cta.is-hidden{opacity:0;transform:translateY(14px);pointer-events:none}
.float-cta .btn{padding:11px 20px;font-size:14px}
.float-cta .link-ghost{
  padding:11px 16px;border-radius:999px;font-size:14px;font-weight:700;color:var(--table);
}
.float-cta .link-ghost:hover{background:var(--ivory);color:var(--orange-deep)}

/* responsive */
@media (max-width:1180px){
  .nav-links a{padding:9px 10px;font-size:13.5px}
  .nav-cta{display:none}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .hamburger{display:grid;place-items:center;margin-left:auto}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .compare-grid{grid-template-columns:1fr}
  .checklist-wrap{grid-template-columns:1fr}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:56px 0}
  .cat-hero{padding:44px 0 52px}
  .cta-panel{padding:36px 24px}
  .faq-item .faq-body{padding:0 20px 20px 20px}
  .faq-item summary{padding:16px 18px;font-size:15.5px;gap:10px}
  .float-cta{
    left:12px;right:12px;bottom:12px;
    border-radius:18px;
    justify-content:space-between;
    padding:8px 10px;
  }
  .float-cta .link-ghost{display:none}
  .float-cta .btn{width:100%}
}
@media (max-width:560px){
  .hero-cards{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .brand-text span{display:none}
  .hero-actions .btn{width:100%}
  .compare-card{padding:20px}
}

/* roulang page: category4 */
:root{
  --green:#0E3B2E;
  --green-2:#145240;
  --green-soft:#E8F0EA;
  --dark:#0E1512;
  --ivory:#F7F4EC;
  --paper:#FFFFFF;
  --linen:#DCD6C8;
  --orange:#E07A3F;
  --orange-2:#C95F2A;
  --red:#A83A3A;
  --ink:#1B231F;
  --muted:#5E6C65;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --sh:0 10px 30px rgba(14,59,46,.08);
  --sh-h:0 18px 42px rgba(14,59,46,.16);
  --max:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
.page-body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--ivory);
  color:var(--ink);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,244,236,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(220,214,200,.9);
}
.nav-panel{
  display:flex;align-items:center;flex-wrap:wrap;gap:14px;
  background:var(--paper);
  border:1px solid var(--linen);
  border-radius:22px;
  box-shadow:var(--sh);
  padding:10px 16px;
  margin:14px 0 10px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:46px;height:46px;border-radius:14px;
  background:linear-gradient(150deg,var(--green),var(--green-2));
  color:var(--ivory);display:grid;place-items:center;
  font-weight:800;font-size:14px;letter-spacing:.02em;
}
.brand-text strong{display:block;font-size:15px;font-weight:800;color:var(--green);line-height:1.35}
.brand-text span{display:block;font-size:12px;color:var(--muted);line-height:1.5}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap}
.nav-links a{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 12px;border-radius:12px;
  font-size:13.5px;font-weight:600;color:var(--green-2);
  border:1px solid transparent;white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.nav-links a i{font-size:13px;opacity:.8}
.nav-links a:hover{background:var(--ivory);border-color:var(--linen);color:var(--green);transform:translateY(-1px)}
.nav-links a.is-active{background:var(--green);color:var(--ivory);box-shadow:0 6px 16px rgba(14,59,46,.22)}
.nav-links a.is-active i{opacity:1}
.nav-cta{flex:0 0 auto}
.hamburger{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:14px;
  background:var(--green);color:var(--ivory);border:none;
  align-items:center;justify-content:center;font-size:18px;
}
.hamburger:active{transform:translateY(1px)}
.mobile-drawer{display:none}
.anchor-bar{display:flex;gap:8px;overflow-x:auto;padding:0 2px 12px;scrollbar-width:none}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar a{
  flex:0 0 auto;padding:7px 14px;border-radius:999px;
  background:var(--paper);border:1px solid var(--linen);
  font-size:13px;font-weight:600;color:var(--green-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.anchor-bar a:hover{border-color:var(--orange);color:var(--orange-2);transform:translateY(-1px)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:14px;font-weight:700;font-size:15px;
  border:1px solid transparent;transition:all .22s ease;text-align:center;
}
.btn-primary{background:var(--green);color:var(--ivory);box-shadow:0 8px 20px rgba(14,59,46,.22)}
.btn-primary:hover{background:var(--orange-2);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(201,95,42,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--green);border-color:rgba(14,59,46,.35)}
.btn-ghost:hover{background:var(--green-soft);border-color:var(--green);transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:var(--ivory);border-color:rgba(247,244,236,.45)}
.btn-outline-light:hover{background:rgba(247,244,236,.12);border-color:var(--ivory);transform:translateY(-2px)}
.btn-light{background:var(--paper);color:var(--green)}
.btn-light:hover{background:var(--orange);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:12px}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--orange);outline-offset:2px}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;color:var(--ivory);
  padding:58px 0 66px;
  background-image:linear-gradient(120deg,rgba(14,21,18,.92),rgba(14,59,46,.84)),url('/assets/images/backpic/back-2.png');
  background-size:cover,cover;
  background-position:center,center;
  background-repeat:no-repeat,no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 84% 18%,rgba(224,122,63,.22),transparent 46%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.hero-title{
  font-size:clamp(2.05rem,4vw,3.15rem);
  font-weight:800;line-height:1.26;color:#fff;margin:0 0 18px;letter-spacing:.015em;
}
.hero-lead{font-size:17px;color:rgba(247,244,236,.87);max-width:44em;margin:0 0 22px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;
}
.chip-orange{background:rgba(224,122,63,.16);color:#F3B98F;border:1px solid rgba(224,122,63,.36)}
.chip-ivory{background:rgba(247,244,236,.1);color:var(--ivory);border:1px solid rgba(247,244,236,.26)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-figure{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(247,244,236,.2);
  box-shadow:0 26px 60px rgba(0,0,0,.38);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.hero-facts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:30px}
.fact{background:rgba(247,244,236,.08);border:1px solid rgba(247,244,236,.18);border-radius:var(--r-sm);padding:12px 14px}
.fact b{display:block;font-size:12.5px;font-weight:700;color:#F3B98F;margin-bottom:3px;letter-spacing:.03em}
.fact span{font-size:13.5px;color:rgba(247,244,236,.85);line-height:1.6}

/* ---------- 通用板块 ---------- */
.section{padding:70px 0}
.section-alt{background:linear-gradient(180deg,#FFFDF8,var(--ivory))}
.section-head{max-width:52em;margin-bottom:36px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--orange-2);margin-bottom:12px;
}
.section-head h2{font-size:clamp(1.55rem,2.7vw,2.05rem);font-weight:800;color:var(--green);line-height:1.35;margin:0 0 12px}
.section-head p{color:var(--muted);font-size:16.5px;margin:0}

/* ---------- 杂志卡片流 ---------- */
.mag-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:24px}
.mag-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:24px}
.mag-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--paper);border:1px solid var(--linen);
  border-radius:var(--r-lg);box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.mag-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:var(--orange)}
.mag-card img{width:100%;height:200px;object-fit:cover}
.mag-lead img{height:298px}
.mag-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.mag-body h3{font-size:1.18rem;font-weight:800;color:var(--green);line-height:1.45;margin:0}
.mag-body p{margin:0;color:var(--muted);font-size:15.3px;line-height:1.78}
.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tagline{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:999px;
  background:var(--green-soft);color:var(--green-2);
  font-size:12.5px;font-weight:700;
}
.tagline-orange{background:rgba(224,122,63,.14);color:var(--orange-2)}
.meta-time{font-size:12.5px;color:var(--muted)}
.card-link{margin-top:auto;font-size:14px;font-weight:700;color:var(--orange-2);display:inline-flex;align-items:center;gap:6px}
.card-link:hover{color:var(--green)}
.card-link i{transition:transform .2s ease}
.card-link:hover i{transform:translateX(3px)}

/* ---------- 阅读摘要 + 侧栏 ---------- */
.read-grid{display:grid;grid-template-columns:1.65fr .85fr;gap:32px;align-items:start}
.prose-card{background:var(--paper);border:1px solid var(--linen);border-radius:var(--r-lg);box-shadow:var(--sh);padding:32px}
.prose-card h3{font-size:1.2rem;font-weight:800;color:var(--green);margin:28px 0 10px}
.prose-card h3:first-of-type{margin-top:8px}
.prose-card p{color:#33413A;margin:0 0 1.05em;font-size:16.2px;line-height:1.9}
.prose-card ul{margin:0 0 1.1em;padding-left:1.15em;color:#33413A}
.prose-card li{margin-bottom:.5em;font-size:16px;line-height:1.85}
.quote-note{
  border-left:3px solid var(--orange);
  background:rgba(224,122,63,.07);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  padding:14px 18px;font-size:15.5px;color:var(--green-2);margin:20px 0;
}
.side-card{
  background:var(--paper);border:1px solid var(--linen);
  border-radius:var(--r-lg);box-shadow:var(--sh);
  padding:22px;position:sticky;top:104px;
}
.side-card + .side-card{margin-top:20px}
.side-card h4{font-size:15px;font-weight:800;color:var(--green);margin:0 0 14px;display:flex;align-items:center;gap:8px}
.side-card h4 i{color:var(--orange)}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--muted);line-height:1.7;
  padding:9px 0;border-bottom:1px dashed var(--linen);
}
.side-list li:last-child{border-bottom:none}
.side-list li b{color:var(--green-2);font-weight:700}
.side-num{
  flex:0 0 auto;width:22px;height:22px;border-radius:8px;
  background:var(--green-soft);color:var(--green-2);
  font-size:12px;font-weight:800;display:grid;place-items:center;margin-top:2px;
}
.mistake{list-style:none;margin:0;padding:0}
.mistake li{display:flex;gap:9px;align-items:flex-start;font-size:14.5px;color:var(--muted);padding:8px 0;line-height:1.7}
.mistake li i{color:var(--red);margin-top:4px;font-size:13px}

/* ---------- 练习节奏 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{
  background:var(--paper);border:1px solid var(--linen);border-radius:var(--r-lg);
  box-shadow:var(--sh);padding:26px 22px;position:relative;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:var(--orange)}
.step-num{font-size:30px;font-weight:800;color:var(--linen);line-height:1;margin-bottom:12px}
.step h3{font-size:1.05rem;font-weight:800;color:var(--green);margin:0 0 10px}
.step p{margin:0;font-size:14.8px;color:var(--muted);line-height:1.78}

/* ---------- 自查清单 ---------- */
.checklist{
  background:linear-gradient(135deg,var(--green),var(--dark));
  border-radius:26px;padding:40px;
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px 30px;
  box-shadow:0 24px 50px rgba(14,59,46,.24);
}
.checklist .cl-head{grid-column:1/-1;margin-bottom:8px}
.checklist .cl-head h2{color:#fff;font-size:clamp(1.4rem,2.4vw,1.85rem);margin:0 0 10px;font-weight:800}
.checklist .cl-head p{color:rgba(247,244,236,.78);margin:0;font-size:15.5px;max-width:44em}
.check-item{display:flex;gap:12px;align-items:flex-start;font-size:15.3px;color:rgba(247,244,236,.92);line-height:1.75}
.check-item i{color:var(--orange);margin-top:5px;font-size:14px}

/* ---------- 标签 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  padding:9px 17px;border-radius:999px;background:var(--paper);
  border:1px solid var(--linen);font-size:14px;font-weight:600;color:var(--green-2);
  transition:transform .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.tag:hover{transform:translateY(-2px);border-color:var(--orange);color:var(--orange-2);box-shadow:0 8px 18px rgba(224,122,63,.16)}

/* ---------- FAQ ---------- */
.faq-list{background:var(--paper);border:1px solid var(--linen);border-radius:var(--r-lg);box-shadow:var(--sh);padding:8px 26px;overflow:hidden}
.faq-item{border-bottom:1px solid var(--linen)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{
  list-style:none;display:flex;align-items:center;gap:14px;
  padding:20px 0;font-size:16.3px;font-weight:700;color:var(--green);cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-no{
  flex:0 0 auto;width:28px;height:28px;border-radius:10px;
  background:var(--green-soft);color:var(--green-2);
  font-size:13px;font-weight:800;display:grid;place-items:center;
}
.faq-arrow{margin-left:auto;color:var(--orange);transition:transform .25s ease;font-size:14px}
.faq-item[open] summary .faq-arrow{transform:rotate(180deg)}
.faq-item[open] summary{color:var(--orange-2)}
.faq-body{padding:0 0 22px 42px;font-size:15.5px;color:var(--muted);line-height:1.85}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--green),var(--dark));
  border-radius:28px;padding:46px;color:var(--ivory);
  display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 88% 22%,rgba(224,122,63,.24),transparent 48%);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2rem);margin:0 0 12px;font-weight:800;line-height:1.35}
.cta-band p{color:rgba(247,244,236,.82);margin:0;font-size:16px;max-width:42em}
.cta-actions{display:flex;flex-direction:column;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--ivory);padding:64px 0 28px;margin-top:70px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(150deg,var(--green-2),var(--green))}
.footer-brand strong{font-size:15.5px;font-weight:800;color:#fff}
.site-footer p{color:rgba(247,244,236,.68);font-size:14.5px;line-height:1.85;margin:0}
.site-footer h4{font-size:15px;font-weight:800;color:#fff;margin:0 0 16px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:11px}
.footer-links a{color:rgba(247,244,236,.72);font-size:14.5px;transition:color .2s ease,padding-left .2s ease}
.footer-links a:hover{color:var(--orange);padding-left:4px}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(247,244,236,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  color:rgba(247,244,236,.55);font-size:13.5px;
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:flex;align-items:center;gap:10px;
  background:var(--paper);border:1px solid var(--linen);
  border-radius:999px;padding:8px;box-shadow:var(--sh-h);
}
.float-cta .fc-ghost{
  font-size:13.5px;font-weight:700;color:var(--green-2);
  padding:9px 14px;border-radius:999px;transition:background .2s ease,color .2s ease;
}
.float-cta .fc-ghost:hover{background:var(--green-soft);color:var(--green)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .hamburger{display:inline-flex}
  .mobile-drawer{
    display:block;max-height:0;overflow:hidden;
    background:var(--paper);border:1px solid var(--linen);
    border-radius:20px;box-shadow:var(--sh);margin:0 0 12px;
    transition:max-height .35s ease;
  }
  .mobile-drawer.is-open{max-height:480px}
  .mobile-drawer a{
    display:flex;align-items:center;gap:10px;
    padding:13px 16px;font-size:14.5px;font-weight:600;
    color:var(--green-2);border-bottom:1px solid var(--linen);
  }
  .mobile-drawer a:last-child{border-bottom:none}
  .mobile-drawer a.is-active{background:var(--green);color:var(--ivory)}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .mag-grid{grid-template-columns:1fr}
  .mag-grid-2{grid-template-columns:1fr}
  .read-grid{grid-template-columns:1fr}
  .side-card{position:static}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .hero{padding:40px 0 52px}
  .hero-title{font-size:clamp(1.85rem,7vw,2.3rem)}
  .hero-facts{grid-template-columns:1fr}
  .prose-card{padding:22px}
  .checklist{grid-template-columns:1fr;padding:28px 22px;border-radius:22px}
  .steps{grid-template-columns:1fr}
  .faq-list{padding:6px 18px}
  .faq-body{padding-left:0}
  .float-cta{
    left:12px;right:12px;bottom:12px;border-radius:18px;
    justify-content:space-between;padding:8px 10px;
  }
  .float-cta .fc-ghost{display:none}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:48px 0 24px}
}
@media (max-width:520px){
  .page-body{font-size:16px}
  .brand-text span{display:none}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
}