/* ExifMate 官网样式 —— 配色取自品牌图标（光圈蓝→紫→橙渐变）
   品牌紫 #5A3FC0 / 品牌橙 #F07830 / 深靛紫 #1D1656 */
:root {
  --ink: #1b1b33; --sub: #5d6470; --line: #e2e1ea; --bg: #f7f6fa;
  --accent: #5a3fc0; --accent2: #7b3fd0; --orange: #f07830; --orange-d: #e0661d;
  --ok: #2f7d42; --warn: #b8860b;
  --hero1: #1d1656; --hero2: #5a3fc0; --card: #ffffff;
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body {
  color: var(--ink); background: var(--bg); line-height: 1.75; font-size: 16px;
  font-family: "Microsoft YaHei UI", "Segoe UI", system-ui, -apple-system, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
nav {
  position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 20px; height: 60px; }
.brand { font-size: 20px; font-weight: 700; color: var(--ink);
  display: inline-flex; align-items: center; gap: 9px; }
.brand img { height: 30px; width: 30px; border-radius: 7px; display: block; }
.brand .dot { color: var(--orange); }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 18px; font-size: 14px; }
.nav-links a { color: var(--sub); }
.lang-switch { border-left: 1px solid var(--line); padding-left: 18px; }
.lang-switch b { color: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--hero1) 0%, #3a2a86 55%, var(--hero2) 100%);
  color: #fff; padding: 72px 0 64px;
}
.hero-logo {
  height: 88px; width: 88px; border-radius: 20px; display: block;
  box-shadow: 0 8px 28px rgba(0,0,0,.28); margin-bottom: 22px;
}
.hero h1 { font-size: 42px; line-height: 1.3; margin-bottom: 14px; }
.hero p.sub { font-size: 18px; opacity: .92; max-width: 760px; }
.hero .pitch { font-size: 18px; margin-bottom: 8px; opacity: .95; }
.platform-pills { display: flex; gap: 10px; margin: 22px 0 30px; flex-wrap: wrap; }
.pill {
  font-size: 13px; padding: 4px 14px; border-radius: 16px;
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.35);
}
.pill.dim { opacity: .7; }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 30px;
  border-radius: 8px; font-size: 16px; font-weight: 600; border: none; cursor: pointer;
}
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-d); text-decoration: none; }
.btn-ghost {
  background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.6);
}
.btn-ghost:hover { background: rgba(255,255,255,.12); text-decoration: none; }
.btn svg { flex: none; }

/* ---------- 通用区块 ---------- */
section.block { padding: 64px 0 8px; }
h2.title { font-size: 28px; margin-bottom: 8px; color: var(--accent); }
h2.title::after {
  content: ""; display: block; width: 46px; height: 4px; border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--orange)); margin-top: 10px;
}
p.lead { color: var(--sub); max-width: 720px; margin-bottom: 28px; }

/* 痛点卡片 */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pain-card {
  position: relative; overflow: hidden;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 24px; box-shadow: 0 1px 3px rgba(28,22,86,.06);
  transition: transform .18s ease, box-shadow .18s ease;
}
.pain-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, var(--orange), #f5b47e);
}
.pain-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(28,22,86,.12); }
.pain-card .scene {
  display: inline-block; font-size: 12.5px; color: var(--warn);
  background: #fdf3e1; border: 1px solid #f2dfb4;
  padding: 3px 12px; border-radius: 14px; margin-bottom: 12px;
}
.pain-card .scene::before { content: "痛点 · "; font-weight: 700; }
.pain-card h3 { font-size: 17px; margin-bottom: 8px; }
.pain-card p { font-size: 14px; color: var(--sub); }
.pain-card p.fix {
  margin-top: 14px; color: var(--ok); font-size: 13.5px;
  background: #f0f7f1; border: 1px solid #d9e9dc; border-radius: 8px; padding: 9px 12px;
}
.pain-card p.fix::before { content: "✓ "; font-weight: 700; }

/* 功能网格 */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feat {
  position: relative; overflow: hidden;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 22px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.feat::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--orange));
  opacity: 0; transition: opacity .18s ease;
}
.feat:hover {
  transform: translateY(-4px); border-color: #d6cfee;
  box-shadow: 0 12px 28px rgba(28,22,86,.12);
}
.feat:hover::before { opacity: 1; }
.feat .ico {
  width: 46px; height: 46px; border-radius: 12px; display: flex;
  align-items: center; justify-content: center; margin-bottom: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff;
  box-shadow: 0 6px 14px rgba(90,63,192,.26);
}
.feat h3 { font-size: 16px; margin-bottom: 6px; }
.feat p { font-size: 14px; color: var(--sub); }

/* ---------- 四大核心卖点 ---------- */
.pillar {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 36px; align-items: center;
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 34px 36px; margin-top: 22px; box-shadow: 0 1px 3px rgba(28,22,86,.06);
}
.pillar.dark {
  background: linear-gradient(135deg, var(--hero1) 0%, #3a2a86 55%, var(--hero2) 100%);
  color: #fff; border: none; box-shadow: 0 10px 30px rgba(29,22,86,.25);
}
.pillar.flip { grid-template-columns: .95fr 1.05fr; }
.pillar.flip .pillar-text { order: 2; }
.pillar.flip .pillar-visual { order: 1; }
.pillar-num { font-size: 13px; font-weight: 800; letter-spacing: .14em; color: var(--orange); margin-bottom: 6px; }
.pillar h3 { font-size: 22px; margin-bottom: 10px; }
.pillar p { font-size: 14.5px; color: var(--sub); }
.pillar.dark p { color: rgba(255,255,255,.86); }
.pillar-quote {
  font-size: 17px !important; font-weight: 700; color: var(--ink) !important;
  border-left: 3px solid var(--orange); padding-left: 12px; margin: 12px 0;
}
.pillar.dark .pillar-quote { color: #fff !important; }
.zero-badges { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0 4px; }
.zero-badges span {
  font-size: 13px; font-weight: 600; padding: 4px 13px; border-radius: 15px;
  background: #efeafc; color: var(--accent);
}
.pillar.dark .zero-badges span {
  background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.38);
}

/* 01 全离线：本地硬盘示意 */
.disk-panel {
  background: #120e2e; border: 1px solid rgba(255,255,255,.2); border-radius: 14px;
  padding: 16px 18px 14px; color: #e9e7ff;
}
.disk-head {
  display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px;
  padding-bottom: 10px; margin-bottom: 4px; border-bottom: 1px dashed rgba(255,255,255,.22);
}
.disk-head .shield {
  margin-left: auto; display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600; padding: 3px 11px; border-radius: 12px;
  background: rgba(47,125,66,.4); color: #a8ecbd;
}
.disk-row {
  display: flex; align-items: center; gap: 11px; margin-top: 9px; padding: 8px 10px;
  border-radius: 10px; background: rgba(255,255,255,.07); font-size: 13.5px;
  font-family: Consolas, "Courier New", monospace;
}
.disk-row .fico {
  width: 34px; height: 34px; border-radius: 8px; flex: none;
  display: flex; align-items: center; justify-content: center;
}
.fico.photo { background: #43328f; color: #c3b2ff; }
.fico.video { background: #8a3d10; color: #ffc09a; }
.fico.raw   { background: #14556e; color: #9adcf2; }
.disk-row small { margin-left: auto; font-family: "Microsoft YaHei UI", "Segoe UI", sans-serif; font-size: 12px; color: rgba(255,255,255,.55); }
.cloud-off {
  display: inline-flex; align-items: center; gap: 9px; margin-top: 14px;
  padding: 8px 16px; border: 1px dashed rgba(255,255,255,.45); border-radius: 12px;
  color: rgba(255,255,255,.88); font-size: 13px;
}

/* 02 全格式：格式徽章 */
.fmt-groups { display: flex; flex-direction: column; gap: 16px; }
.fmt-label {
  display: flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 700; color: var(--sub); margin-bottom: 8px;
}
.fmt-label svg { color: var(--accent); }
.fmt-group.hot .fmt-label svg { color: var(--orange); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span {
  font-size: 13px; font-weight: 600; padding: 4px 12px; border-radius: 8px;
  background: #f0eef8; border: 1px solid var(--line); color: var(--ink);
  font-family: Consolas, "Courier New", monospace;
}
.fmt-group.hot .chips span { background: var(--orange); border-color: var(--orange-d); color: #fff; }

/* 03 无忧撤销：操作历史示意 */
.undo-card {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 16px 18px 14px; color: var(--ink);
  box-shadow: 0 10px 26px rgba(0,0,0,.28);
}
.undo-title {
  display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px;
  padding-bottom: 10px; margin-bottom: 4px; border-bottom: 1px dashed var(--line); color: var(--accent);
}
.undo-title .demo-tag {
  margin-left: auto; font-size: 11px; font-weight: 600; color: #8a8a99;
  background: #f2f1f7; border-radius: 10px; padding: 2px 9px;
}
.undo-row {
  display: flex; align-items: center; gap: 10px; margin-top: 9px; padding: 9px 11px;
  border-radius: 10px; background: #faf9fd; border: 1px solid var(--line); font-size: 13px;
}
.undo-row b { font-weight: 700; }
.undo-row small { color: var(--sub); font-size: 12px; }
.undo-row .restore {
  margin-left: auto; flex: none; display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; font-weight: 700; color: var(--orange-d);
  background: #fdeee3; border: 1px solid #f5c9a8; border-radius: 13px; padding: 3px 11px;
}
.undo-note {
  margin-top: 11px; font-size: 12.5px; color: var(--ok); display: flex; align-items: center; gap: 6px;
}

/* 04 全智能：流转示意 */
.flows { display: flex; flex-direction: column; gap: 12px; }
.flow { display: grid; grid-template-columns: 1fr auto 1fr; gap: 9px; align-items: stretch; }
.flow-chip {
  display: flex; align-items: center; gap: 8px; padding: 8px 11px;
  background: #faf9fd; border: 1px solid var(--line); border-radius: 10px; font-size: 12.5px;
}
.flow-chip .fico { width: 28px; height: 28px; border-radius: 7px; }
.flow-chip b { display: block; font-size: 12.5px; line-height: 1.4; }
.flow-chip small { display: block; color: var(--sub); font-size: 11.5px; line-height: 1.4;
  font-family: Consolas, "Courier New", monospace; }
.flow-arrow {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  font-size: 11.5px; font-weight: 700; color: var(--orange); white-space: nowrap;
}
.flow-arrow svg { color: var(--orange); }

/* 截图占位 */
.shot {
  border-radius: 12px; border: 1px dashed #c3bfd6; background:
  repeating-linear-gradient(45deg,#f0eef8,#f0eef8 14px,#f7f6fa 14px,#f7f6fa 28px);
  display: flex; align-items: center; justify-content: center;
  color: var(--sub); font-size: 14px; height: 320px; margin: 26px 0;
}

/* 对比表 */
.compare { width: 100%; border-collapse: collapse; background: var(--card);
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden; font-size: 15px; }
.compare th, .compare td { padding: 13px 18px; border-bottom: 1px solid var(--line); text-align: left; }
.compare thead th { background: #f0eef8; font-size: 15px; }
.compare .col-pro { border-left: 3px solid var(--orange); }
.compare td.yes { color: var(--ok); font-weight: 600; }
.compare td.no { color: var(--sub); }
.badge-free, .badge-pro {
  display: inline-block; font-size: 12px; padding: 2px 10px; border-radius: 12px; margin-left: 8px;
}
.badge-free { background: #eef6ef; color: var(--ok); }
.badge-pro { background: #efeafc; color: var(--accent); }
.table-note { font-size: 13px; color: var(--sub); margin-top: 10px; }

/* 赞助 */
.sponsor {
  margin: 56px 0 8px; background: linear-gradient(135deg, #fffdf5, #fdf6e3);
  border: 1px solid #eadfb8; border-radius: 12px; padding: 30px 28px;
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
}
.sponsor h3 { font-size: 18px; margin-bottom: 4px; }
.sponsor p { font-size: 14px; color: var(--sub); }
.sponsor .btns { margin-left: auto; display: flex; gap: 12px; }
.btn-sponsor {
  background: #f0b429; color: #4a3300; border-radius: 8px; padding: 10px 22px;
  font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 6px;
}
.btn-sponsor:hover { background: #eaa818; text-decoration: none; }
.btn-sponsor.gh { background: #24292e; color: #fff; }
/* 标题行尾的咖啡杯表情按钮：transform 缩放不改变行高与文字尺寸 */
.coffee-btn {
  background: none; border: none; cursor: pointer;
  display: inline-block; font: inherit; line-height: 1;
  padding: 0 0 0 6px; vertical-align: -6px;
  transform: scale(1.4); transform-origin: center;
  animation: coffee-bounce 2s ease-in-out infinite;
}
/* 每 2 秒轻微跳动 2 下 */
@keyframes coffee-bounce {
  0%, 14%, 28%, 100% { transform: scale(1.4) translateY(0); }
  7%                  { transform: scale(1.4) translateY(-3px); }
  21%                 { transform: scale(1.4) translateY(-3px); }
}

/* 收款码弹层 */
.qr-modal {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(20, 20, 24, .55); backdrop-filter: blur(2px);
  align-items: center; justify-content: center; cursor: zoom-out;
}
.qr-card {
  position: relative; background: #fff; border-radius: 16px; padding: 22px 22px 16px;
  text-align: center; box-shadow: 0 18px 50px rgba(0,0,0,.35); cursor: default;
}
.qr-card img { width: 240px; height: auto; border-radius: 10px; display: block; }
.qr-card span { font-size: 13px; color: #6b6b70; margin-top: 10px; display: block; }
.qr-card button {
  position: absolute; top: 8px; right: 8px; border: none; background: #f2f2f4;
  width: 28px; height: 28px; border-radius: 50%; cursor: pointer; font-size: 13px; color: #666;
}
.qr-card button:hover { background: #e4e4e8; }

/* 页脚 */
footer { border-top: 1px solid var(--line); margin-top: 64px; padding: 30px 0 44px;
  color: var(--sub); font-size: 13.5px; background: #fff; }
footer .cols { display: flex; gap: 40px; flex-wrap: wrap; }
footer h4 { color: var(--accent); font-size: 14px; margin-bottom: 8px; }
footer ul { list-style: none; padding: 0; }
footer li { margin: 4px 0; }
footer .legal { margin-top: 24px; color: #8a8a99; }

@media (max-width: 820px) {
  .pain-grid, .feat-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
  .nav-links a.hide-sm { display: none; }
  .sponsor .btns { margin-left: 0; }
  .pillar, .pillar.flip { grid-template-columns: 1fr; gap: 22px; padding: 26px 22px; }
  .pillar.flip .pillar-text { order: 1; }
  .pillar.flip .pillar-visual { order: 2; }
  .flow { grid-template-columns: 1fr; gap: 4px; }
  .flow-arrow { flex-direction: row; padding: 2px 0 2px 14px; }
}