/* ============================================================
   植物大战僵尸全版本资源站 — 全局样式
   调性：暖纸底 + 草坪绿 + 阳光黄，低调高级
   ============================================================ */
:root {
  --paper:    #f7f5ec;
  --paper-2:  #f1eedd;
  --card:     #fffefa;
  --card-2:   #fbf9f0;
  --line:     #e4dfc9;
  --line-2:   #d8d2b8;
  --ink:      #2d3023;
  --t2:       #676a56;
  --t3:       #999a82;
  --green:    #4c8b2f;
  --green-d:  #38691f;
  --green-l:  #ebf3e0;
  --sun:      #f0af1d;
  --sun-d:    #c98a0a;
  --sun-l:    #fdf4d9;
  --evil:     #6d5c92;
  --evil-l:   #efeaf7;
  --red:      #c05540;
  --red-l:    #fbeae4;
  --quark:    #2f7df6;
  --baidu:    #2c95f2;
  --shadow-sm: 0 1px 2px rgba(60,58,40,.08);
  --shadow-md: 0 10px 26px -14px rgba(60,58,40,.28);
  --shadow-lg: 0 26px 56px -24px rgba(60,58,40,.36);
  --radius: 14px;
  --radius-sm: 9px;
  --radius-lg: 20px;
  --font: "PingFang SC","Microsoft YaHei","Segoe UI",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  --maxw: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); font-size: 15px; line-height: 1.74;
  color: var(--ink); background: var(--paper);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green-d); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--green); }
ul { padding: 0; margin: 0; list-style: none; }
h1,h2,h3,h4,h5 { margin: 0; font-weight: 700; line-height: 1.32; letter-spacing: -.01em; }
p { margin: 0; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- 顶部导航 ---------- */
.nav { position: sticky; top: 0; z-index: 80; background: rgba(247,245,236,.92);
  backdrop-filter: saturate(140%) blur(10px); -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; gap: 20px; height: 62px; }
.nav-brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; font-size: 16px; letter-spacing: -.02em; }
.nav-brand img { width: 30px; height: 30px; border-radius: 7px; }
.nav-brand .sub { font-size: 11px; font-weight: 500; color: var(--t3); display: block; letter-spacing: .02em; margin-top: -2px; }
.nav-links { display: flex; align-items: center; gap: 2px; margin-left: 8px; }
.nav-links a { color: var(--t2); font-size: 14px; padding: 7px 12px; border-radius: 8px; }
.nav-links a:hover { color: var(--green-d); background: rgba(76,139,47,.08); }
.nav-links a.active { color: var(--green-d); background: var(--green-l); font-weight: 600; }
.nav-spacer { flex: 1; }
.nav-cta { background: linear-gradient(135deg,var(--green) 0%,#5f9c3f 100%); color: #fff !important; font-weight: 600;
  font-size: 13.5px; padding: 8px 16px; border-radius: 9px; box-shadow: 0 6px 16px -8px rgba(76,139,47,.9);
  transition: transform .18s ease, box-shadow .18s ease; }
.nav-cta:hover { transform: translateY(-1px); }
.nav-toggle { display: none; width: 38px; height: 38px; border-radius: 9px; border: 1px solid var(--line);
  background: var(--card); color: var(--t2); align-items: center; justify-content: center; cursor: pointer; margin-left: auto; }
.nav-toggle span { display: block; width: 16px; height: 2px; background: currentColor; position: relative; }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; width: 16px; height: 2px; background: currentColor; }
.nav-toggle span::before { top: -5px; } .nav-toggle span::after { top: 5px; }

/* ---------- 通用区块 ---------- */
.section { padding: 58px 0; }
.section-tight { padding: 42px 0; }
.section-head { max-width: 740px; margin: 0 auto 38px; text-align: center; }
.section-head .tag { display: inline-block; font-size: 12px; letter-spacing: .14em; color: var(--green-d);
  margin-bottom: 12px; padding: 4px 12px; border: 1px solid #cfe0bf; border-radius: 999px; background: var(--green-l); font-weight: 600; }
.section-head h2 { font-size: 29px; }
.section-head p { margin-top: 12px; color: var(--t2); font-size: 15px; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 62px 0 54px;
  background:
    radial-gradient(900px 420px at 88% -8%, rgba(240,175,29,.14), transparent 60%),
    radial-gradient(760px 460px at 4% 6%, rgba(76,139,47,.12), transparent 62%),
    linear-gradient(180deg,#f4f2e5 0%, var(--paper) 100%); }
.hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; gap: 44px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px;
  background: var(--sun-l); border: 1px solid #ecd9a4; color: var(--sun-d);
  font-size: 12.5px; padding: 5px 13px; border-radius: 999px; font-weight: 600; }
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--sun); box-shadow: 0 0 0 3px rgba(240,175,29,.22); }
.hero h1 { font-size: 44px; letter-spacing: -.03em; }
.hero h1 .em { color: var(--green); }
.hero-sub { margin-top: 16px; color: var(--t2); font-size: 16px; max-width: 560px; }
.hero-sub b { color: var(--ink); font-weight: 600; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; gap: 9px; cursor: pointer; border: 1px solid transparent;
  font-family: var(--font); font-size: 14.5px; font-weight: 600; padding: 12px 22px; border-radius: 10px;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease; }
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: linear-gradient(135deg,var(--green) 0%,#5f9c3f 100%); color: #fff; box-shadow: 0 12px 26px -12px rgba(76,139,47,.9); }
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 18px 32px -12px rgba(76,139,47,1); }
.btn-ghost { background: var(--card); border-color: var(--line-2); color: var(--ink); }
.btn-ghost:hover { border-color: var(--green); color: var(--green-d); background: var(--card-2); }
.btn-lg { padding: 14px 26px; font-size: 15px; }
.btn-block { width: 100%; justify-content: center; }
.hero-meta { display: flex; gap: 24px; margin-top: 28px; flex-wrap: wrap; }
.hero-meta li { color: var(--t3); font-size: 13px; display: flex; align-items: center; gap: 7px; }
.hero-meta svg { width: 15px; height: 15px; color: var(--green); flex: none; }
.hero-shot { position: relative; }
.hero-shot .frame { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  background: #fff; box-shadow: var(--shadow-lg); position: relative; }
.hero-shot .frame::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.6); }
.hero-shot img { width: 100%; height: auto; }
.hero-shot .cap { margin-top: 10px; display: flex; justify-content: space-between; color: var(--t3); font-size: 12.5px; }

/* ---------- 数据条 ---------- */
.stats { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper-2); }
.stats-in { display: grid; grid-template-columns: repeat(4,1fr); }
.stat { padding: 24px 22px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: none; }
.stat .n { font-size: 26px; font-weight: 700; letter-spacing: -.02em; color: var(--green-d); }
.stat .n small { font-size: 14px; color: var(--sun-d); font-weight: 600; margin-left: 3px; }
.stat .l { margin-top: 3px; color: var(--t3); font-size: 12.5px; }

/* ---------- 卡片 ---------- */
.grid { display: grid; gap: 18px; }
.g-2 { grid-template-columns: repeat(2,1fr); }
.g-3 { grid-template-columns: repeat(3,1fr); }
.g-4 { grid-template-columns: repeat(4,1fr); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; position: relative; overflow: hidden;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.card:hover { transform: translateY(-3px); border-color: #c9d8b8; box-shadow: var(--shadow-md); }
.card h3 { font-size: 16.5px; margin-bottom: 9px; }
.card p { color: var(--t2); font-size: 13.6px; line-height: 1.7; }
.card .ic { width: 46px; height: 46px; display: flex; align-items: flex-end; justify-content: center; margin-bottom: 14px; }
.card .ic img { max-height: 46px; width: auto; }
.card .ic.ico-box { background: var(--green-l); border: 1px solid #d3e4c0; border-radius: 11px; align-items: center; }
.card .ic.ico-box svg { width: 20px; height: 20px; color: var(--green-d); }
.card .more { display: inline-flex; align-items: center; gap: 5px; margin-top: 13px; font-size: 13px; font-weight: 600; color: var(--green-d); }

/* ---------- 版本卡片 ---------- */
.vgrid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.vcard { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.vcard:hover { transform: translateY(-3px); border-color: #c9d8b8; box-shadow: var(--shadow-md); }
.vcard .thumb { position: relative; background: var(--paper-2); overflow: hidden; }
.vcard .thumb img { width: 100%; height: 148px; object-fit: cover; }
.vcard .thumb .plat { position: absolute; top: 10px; left: 10px; font-size: 11px; font-weight: 700;
  background: rgba(45,48,35,.78); color: #fff; padding: 3px 9px; border-radius: 999px; letter-spacing: .03em; }
.vcard .thumb .hot { position: absolute; top: 10px; right: 10px; font-size: 11px; font-weight: 700;
  background: var(--sun); color: #5c3d00; padding: 3px 9px; border-radius: 999px; }
.vcard .body { padding: 16px 17px 18px; display: flex; flex-direction: column; flex: 1; }
.vcard .body h3 { font-size: 15.5px; margin-bottom: 6px; }
.vcard .body .desc { color: var(--t2); font-size: 12.8px; line-height: 1.66; flex: 1; }
.vcard .body .meta-row { margin-top: 12px; display: flex; gap: 6px; flex-wrap: wrap; }
.vcard .body .meta-row span { font-size: 11.5px; color: var(--t3); background: var(--paper-2);
  border: 1px solid var(--line); padding: 2px 8px; border-radius: 6px; }
.vcard .body .go { margin-top: 12px; font-size: 13.5px; font-weight: 700; color: var(--green-d);
  display: inline-flex; align-items: center; gap: 5px; }

/* ---------- 场景横幅 ---------- */
.scenes { display: grid; grid-template-columns: repeat(5,1fr); gap: 14px; }
.scene { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--card); position: relative;
  transition: transform .2s ease, box-shadow .2s ease; }
.scene:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.scene img { width: 100%; height: 118px; object-fit: cover; }
.scene .cap { padding: 11px 13px 13px; }
.scene .cap b { font-size: 14px; display: block; }
.scene .cap span { font-size: 12px; color: var(--t3); }

/* ---------- 图集 ---------- */
.gallery { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.gallery figure { margin: 0; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; background: var(--card); }
.gallery img { width: 100%; height: 172px; object-fit: cover; }
.gallery figcaption { padding: 10px 13px; font-size: 12.6px; color: var(--t2); border-top: 1px solid var(--line); }

/* ---------- 左右分栏 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; margin-bottom: 50px; }
.split:last-child { margin-bottom: 0; }
.split.flip .txt { order: 2; }
.split h3 { font-size: 23px; margin-bottom: 14px; }
.split .lead { color: var(--t2); font-size: 14.8px; margin-bottom: 16px; }
ul.feat li { display: flex; gap: 11px; padding: 7px 0; color: var(--t2); font-size: 14px; }
ul.feat li svg { width: 16px; height: 16px; color: var(--green); flex: none; margin-top: 4px; }
ul.feat li b { color: var(--ink); font-weight: 600; }
.shot { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--card); box-shadow: var(--shadow-md); }
.shot img { width: 100%; height: auto; }

/* ---------- 下载卡片 ---------- */
.dl-hero { padding: 48px 0 40px; text-align: center; border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg,#f2f0e2, var(--paper)); }
.dl-hero .badge { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; color: var(--sun-d);
  background: var(--sun-l); border: 1px solid #ecd9a4; padding: 5px 13px; border-radius: 999px; margin-bottom: 16px; font-weight: 600; }
.dl-hero h1 { font-size: 33px; letter-spacing: -.02em; }
.dl-hero .meta { margin-top: 12px; color: var(--t2); font-size: 14.5px; display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }
.dl-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.dl-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px; position: relative; overflow: hidden; }
.dl-card.reco { border-color: #b7d3a0; box-shadow: 0 0 0 1px rgba(76,139,47,.14), 0 20px 44px -22px rgba(76,139,47,.42); }
.dl-card .flag { position: absolute; top: 16px; right: 16px; font-size: 11px; font-weight: 700;
  background: linear-gradient(135deg,var(--green),#5f9c3f); color: #fff; padding: 4px 10px; border-radius: 999px; }
.dl-card .brand-name { display: flex; align-items: center; gap: 11px; font-size: 19px; font-weight: 700; margin-bottom: 5px; }
.dl-card .brand-name .dot { width: 30px; height: 30px; border-radius: 9px; display: flex; align-items: center;
  justify-content: center; font-weight: 800; color: #fff; font-size: 15px; }
.dl-card .brand-name .dot.q { background: linear-gradient(135deg,#4facfe,#2f80ed); }
.dl-card .brand-name .dot.b { background: linear-gradient(135deg,#2c95f2,#1668c0); }
.dl-card .desc { color: var(--t3); font-size: 13px; margin-bottom: 16px; }
.dl-card .qr-slot { display: flex; justify-content: center; margin: 4px 0 12px; }
.dl-card .qr-tip { text-align: center; color: var(--t2); font-size: 13px; margin-bottom: 14px; }
.dl-card .qr-tip b { color: var(--ink); }
.dl-card .info { display: grid; grid-template-columns: auto 1fr; gap: 7px 16px; font-size: 13.2px; margin-bottom: 16px; }
.dl-card .info .k { color: var(--t3); }
.dl-card .info .v { color: var(--ink); }
.dl-card .warn { display: flex; gap: 9px; align-items: flex-start; background: var(--sun-l);
  border: 1px solid #ecd9a4; border-radius: 9px; padding: 10px 13px; color: #7a5a10; font-size: 12.6px;
  line-height: 1.65; margin-bottom: 16px; }
.dl-card .warn svg { width: 15px; height: 15px; flex: none; margin-top: 2px; color: var(--sun-d); }
.dl-card .safe { display: flex; align-items: center; gap: 8px; font-size: 12.4px; color: var(--green-d); margin-bottom: 14px; }
.dl-card .safe svg { width: 15px; height: 15px; }
.dl-card .dev-note { font-size: 11.6px; color: var(--t3); text-align: center; margin-top: 12px; line-height: 1.6; }

/* ---------- 步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; counter-reset: step; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; position: relative; }
.step .no { width: 34px; height: 34px; border-radius: 50%; background: var(--green-l); border: 1px solid #cfe0bf;
  color: var(--green-d); font-weight: 800; display: flex; align-items: center; justify-content: center;
  font-size: 15px; margin-bottom: 13px; font-family: Georgia,serif; }
.step h4 { font-size: 15.5px; margin-bottom: 8px; }
.step p { color: var(--t2); font-size: 13.4px; }

/* ---------- 表格 ---------- */
.tbl-wrap { border: 1px solid var(--line); border-radius: var(--radius); overflow-x: auto; background: var(--card); }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13.8px; min-width: 640px; }
.tbl th, .tbl td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line); }
.tbl thead th { background: var(--paper-2); color: var(--t2); font-weight: 600; font-size: 12.6px; letter-spacing: .03em; white-space: nowrap; }
.tbl tbody tr:last-child td { border-bottom: none; }
.tbl td { color: var(--t2); }
.tbl td b { color: var(--ink); font-weight: 600; }
.tbl tbody tr:hover { background: #fdfbf2; }
.tbl .pill { display: inline-block; font-size: 11.5px; padding: 2px 9px; border-radius: 999px; background: var(--green-l);
  border: 1px solid #cfe0bf; color: var(--green-d); font-weight: 600; white-space: nowrap; }

/* ---------- 时间线 ---------- */
.timeline { position: relative; margin-left: 8px; padding-left: 26px; }
.timeline::before { content: ""; position: absolute; left: 5px; top: 6px; bottom: 6px; width: 2px; background: var(--line-2); }
.tl-item { position: relative; padding-bottom: 26px; }
.tl-item::before { content: ""; position: absolute; left: -26px; top: 6px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--paper); border: 2px solid var(--green); }
.tl-item .v { font-weight: 700; font-size: 15px; color: var(--green-d); }
.tl-item .d { font-size: 12px; color: var(--t3); margin-left: 8px; }
.tl-item h4 { font-size: 14.5px; margin: 4px 0 7px; }
.tl-item ul li { font-size: 13px; color: var(--t2); padding: 2px 0 2px 14px; position: relative; }
.tl-item ul li::before { content: ""; position: absolute; left: 0; top: 11px; width: 5px; height: 5px; border-radius: 50%; background: var(--line-2); }

/* ---------- FAQ ---------- */
.faq-item { border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden; background: var(--card); }
.faq-q { width: 100%; text-align: left; background: none; border: none; color: var(--ink); cursor: pointer;
  font-family: var(--font); font-size: 14.8px; font-weight: 600; padding: 16px 20px;
  display: flex; align-items: center; gap: 12px; }
.faq-q .mk { margin-left: auto; color: var(--t3); font-size: 18px; transition: transform .25s ease; line-height: 1; }
.faq-item.open .faq-q .mk { transform: rotate(45deg); color: var(--green); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-in { padding: 0 20px 18px 20px; color: var(--t2); font-size: 13.8px; }
.faq-item.open .faq-a { max-height: 480px; }

/* ---------- 弹窗 ---------- */
.mask { position: fixed; inset: 0; z-index: 200; display: none;
  background: rgba(38,40,28,.62); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  align-items: center; justify-content: center; padding: 22px; }
.mask.show { display: flex; }
.modal { width: 100%; max-width: 640px; background: var(--card);
  border: 1px solid var(--line-2); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  overflow: hidden; animation: modalIn .28s cubic-bezier(.2,.9,.3,1.1); }
@keyframes modalIn { from { opacity: 0; transform: translateY(14px) scale(.97); } to { opacity: 1; transform: none; } }
.modal-hd { display: flex; align-items: center; gap: 10px; padding: 16px 22px; border-bottom: 1px solid var(--line); }
.modal-hd .mt { font-size: 15.5px; font-weight: 700; }
.modal-hd .mx { margin-left: auto; width: 30px; height: 30px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--card-2); color: var(--t2); cursor: pointer; font-size: 17px; line-height: 1;
  display: flex; align-items: center; justify-content: center; }
.modal-hd .mx:hover { color: var(--ink); border-color: var(--line-2); }
.modal-bd { display: grid; grid-template-columns: 220px 1fr; gap: 26px; padding: 26px 24px; align-items: center; }
.modal-bd .qr-cell { text-align: center; }
.modal-bd .qr-cell .tip { margin-top: 13px; font-size: 13px; color: var(--t2); line-height: 1.65; }
.modal-bd .qr-cell .tip b { color: var(--ink); }
.modal-bd ul.checks li { display: flex; gap: 10px; padding: 5px 0; font-size: 13.4px; color: var(--t2); }
.modal-bd ul.checks li svg { width: 16px; height: 16px; color: var(--green); flex: none; margin-top: 3px; }
.modal-bd ul.checks li b { color: var(--ink); }
.modal-bd .expire { margin-top: 14px; display: flex; gap: 9px; background: var(--sun-l);
  border: 1px solid #ecd9a4; border-radius: 9px; padding: 10px 13px; color: #7a5a10; font-size: 12.6px; line-height: 1.6; }
.modal-bd .expire svg { width: 15px; height: 15px; flex: none; margin-top: 1px; color: var(--sun-d); }
.modal-ft { padding: 13px 24px 18px; border-top: 1px solid var(--line); font-size: 12.2px; color: var(--t3); text-align: center; }

/* ---------- 二维码呼吸边框 ---------- */
.qr-breath { position: relative; display: inline-block; padding: 9px; border-radius: 14px; background: #fff;
  border: 2px solid rgba(76,139,47,.55); animation: qrBreath 2.8s ease-in-out infinite; }
.qr-breath img { border-radius: 7px; display: block; }
.qr-breath::before { content: ""; position: absolute; inset: -3px; border-radius: 17px;
  border: 2px solid rgba(76,139,47,.4); opacity: 0; animation: qrBreathRing 2.8s ease-in-out infinite; pointer-events: none; }
@keyframes qrBreath {
  0%, 100% { transform: scale(1); border-color: rgba(76,139,47,.45);
    box-shadow: 0 0 0 0 rgba(240,175,29,.16), 0 8px 24px -10px rgba(76,139,47,.4); }
  50% { transform: scale(1.022); border-color: rgba(240,175,29,.7);
    box-shadow: 0 0 22px 2px rgba(240,175,29,.2), 0 12px 30px -10px rgba(76,139,47,.5); }
}
@keyframes qrBreathRing {
  0% { transform: scale(1); opacity: .55; }
  70%, 100% { transform: scale(1.16); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .qr-breath, .qr-breath::before { animation: none; } }

/* ---------- 子页头 ---------- */
.sub-hero { padding: 38px 0 30px; border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg,#f2f0e2,var(--paper)); }
.sub-hero .crumb { font-size: 12.6px; color: var(--t3); margin-bottom: 13px; display: flex; align-items: center; gap: 8px; }
.sub-hero .crumb a { color: var(--t3); }
.sub-hero .crumb a:hover { color: var(--green-d); }
.sub-hero h1 { font-size: 30px; }
.sub-hero p.lead { margin-top: 10px; color: var(--t2); max-width: 760px; font-size: 14.6px; }
.sub-hero .chips { margin-top: 16px; display: flex; gap: 8px; flex-wrap: wrap; }
.sub-hero .chips span { font-size: 12.5px; color: var(--t2); background: var(--card);
  border: 1px solid var(--line); padding: 4px 12px; border-radius: 999px; }

/* ---------- 文档布局 ---------- */
.doc { max-width: var(--maxw); margin: 0 auto; padding: 40px 20px; }
.doc-grid { display: grid; grid-template-columns: 1.55fr 1fr; gap: 34px; align-items: start; }
.doc h2 { font-size: 21px; margin: 34px 0 14px; padding-left: 12px; border-left: 4px solid var(--green); }
.doc h2:first-child { margin-top: 0; }
.doc p { color: var(--t2); font-size: 14.4px; margin-bottom: 12px; }
.doc p b { color: var(--ink); }
.info-panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; position: sticky; top: 82px; }
.info-panel .row { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 13.4px; }
.info-panel .row:last-child { border-bottom: none; }
.info-panel .row .k { color: var(--t3); }
.info-panel .row .v { color: var(--ink); font-weight: 600; text-align: right; }
.side-shots { display: grid; gap: 14px; margin-top: 16px; }
.side-shots .shot { box-shadow: var(--shadow-sm); }

/* ---------- 提示条 ---------- */
.note { display: flex; gap: 11px; align-items: flex-start; border: 1px solid var(--line);
  background: var(--green-l); border-left: 3px solid var(--green); border-radius: 9px;
  padding: 13px 16px; color: #45552f; font-size: 13.4px; line-height: 1.7; margin: 14px 0; }
.note svg { width: 17px; height: 17px; color: var(--green-d); flex: none; margin-top: 2px; }
.note b { color: var(--ink); }
.note.warn { background: var(--sun-l); border-left-color: var(--sun); color: #6d5410; }
.note.warn svg { color: var(--sun-d); }

/* ---------- 版本页画廊（2列竖图） ---------- */
.shot-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }

/* ---------- 页脚 ---------- */
.footer { margin-top: 70px; border-top: 1px solid var(--line); background: var(--paper-2); }
.footer-in { padding: 44px 0 34px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 34px; }
.footer h5 { font-size: 13px; letter-spacing: .1em; color: var(--t3); margin-bottom: 14px; font-weight: 600; }
.footer ul li { padding: 4px 0; }
.footer ul li a { color: var(--t2); font-size: 13.6px; }
.footer ul li a:hover { color: var(--green-d); }
.footer .about-tx { color: var(--t2); font-size: 13.4px; line-height: 1.8; max-width: 380px; }
.footer .brand-row { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; color: var(--ink); font-weight: 700; font-size: 15.5px; }
.footer .brand-row img { width: 26px; height: 26px; border-radius: 6px; }
.footer-legal { border-top: 1px solid var(--line); padding: 18px 0; }
.footer-legal .box { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-legal p { color: var(--t3); font-size: 12.4px; line-height: 1.75; }
.footer-legal .disclaimer { border: 1px dashed #d8cba0; background: #fbf7ea; border-radius: 9px;
  padding: 11px 15px; color: #83714a; font-size: 12.4px; max-width: 780px; }
.footer-legal .rights { color: var(--t3); font-size: 12px; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero-grid, .split, .doc-grid { grid-template-columns: 1fr; gap: 30px; }
  .split.flip .txt { order: 0; }
  .g-3, .g-4 { grid-template-columns: repeat(2,1fr); }
  .vgrid { grid-template-columns: repeat(2,1fr); }
  .scenes { grid-template-columns: repeat(3,1fr); }
  .stats-in { grid-template-columns: repeat(2,1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .gallery { grid-template-columns: repeat(2,1fr); }
  .footer-in { grid-template-columns: 1fr 1fr; }
  .modal-bd { grid-template-columns: 1fr; gap: 18px; }
  .info-panel { position: static; }
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 32px; }
  .section-head h2 { font-size: 23px; }
  .section { padding: 44px 0; }
  .g-2, .g-3, .g-4, .dl-cards, .gallery, .shot-grid-2 { grid-template-columns: 1fr; }
  .vgrid, .steps, .scenes { grid-template-columns: 1fr; }
  .scenes { grid-template-columns: 1fr 1fr; }
  .stats-in { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; position: absolute; top: 62px; left: 0; right: 0; flex-direction: column;
    align-items: stretch; background: var(--paper); border-bottom: 1px solid var(--line); padding: 10px 16px; gap: 2px; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 11px 12px; }
  .nav-toggle { display: flex !important; }
  .footer-in { grid-template-columns: 1fr; gap: 24px; }
  .footer-legal .box { flex-direction: column; }
  .hero-ctas .btn { flex: 1; justify-content: center; }
  .sub-hero h1 { font-size: 25px; }
  .doc { padding: 28px 16px; }
}