@charset "UTF-8";
/* ==========================================================================
   startmyshoptoday.com — 自研设计系统
   单文件、零外部依赖、零框架。所有尺寸/颜色走 token，便于整体调校。
   色值对比度已按 WCAG 2.1 AA 校验（见注释标注）。
   ========================================================================== */

/* ---------- 1. 字体 ---------- */
@font-face {
  font-family: "InterLocal";
  src: url("../fonts/inter-var.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ---------- 2. 设计 token ---------- */
:root {
  /* 中性 */
  --ink:        #0E1F1A;  /* 标题      17.0:1 on #FFF */
  --ink-2:      #37473F;  /* 正文       9.7:1 */
  --ink-3:      #6D7E77;  /* 次要       4.6:1 */
  --ink-4:      #97A49E;  /* 极次要     2.9:1（仅用于装饰/大字号） */
  --line:       #E4EAE7;
  --line-2:     #D2DCD7;
  --bg:         #FFFFFF;
  --bg-soft:    #F4F8F6;
  --bg-warm:    #FFF7EC;

  /* 品牌 */
  --brand:      #008060;  /* 白字于其上 4.9:1 */
  --brand-600:  #00704F;
  --brand-700:  #005B41;  /* 文字用绿   7.4:1 */
  --brand-deep: #04372C;  /* 白字于其上 13.2:1 */
  --brand-soft: #E7F3EF;
  --brand-line: #C3DED5;

  /* 强调 */
  --accent:      #F2A93B; /* 深墨字于其上 8.6:1 */
  --accent-600:  #E09A28;
  --accent-soft: #FFF2DA;

  /* 深色区块前景（必须显式指定，避免对比度事故） */
  --on-dark:      #FFFFFF;
  --on-dark-2:    rgba(255, 255, 255, .86);
  --on-dark-3:    rgba(255, 255, 255, .66);
  --on-dark-line: rgba(255, 255, 255, .16);
  --on-dark-tint: rgba(255, 255, 255, .07);

  /* 状态 */
  --warn-bg:   #FFF7E8;
  --warn-line: #F2D8A6;
  --warn-ink:  #7A5410;
  --info-bg:   #EDF5F2;
  --info-line: #C3DED5;
  --info-ink:  #0A5B45;
  --stop-bg:   #FDF1EF;
  --stop-line: #F0C9C3;
  --stop-ink:  #8C2F22;

  /* 圆角 */
  --r-xs: 6px;
  --r-sm: 9px;
  --r:    13px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-pill: 999px;

  /* 阴影 */
  --sh-xs: 0 1px 2px rgba(14, 31, 26, .05);
  --sh-sm: 0 1px 3px rgba(14, 31, 26, .06), 0 4px 12px -6px rgba(14, 31, 26, .08);
  --sh:    0 2px 6px rgba(14, 31, 26, .05), 0 14px 32px -18px rgba(14, 31, 26, .18);
  --sh-lg: 0 4px 10px rgba(14, 31, 26, .05), 0 32px 60px -32px rgba(14, 31, 26, .28);

  /* 排版 */
  --font: "InterLocal", -apple-system, BlinkMacSystemFont, "Segoe UI",
          "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
          "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas,
               "Liberation Mono", monospace;

  /* 版心 */
  --maxw:   1120px;
  --prosew: 736px;
  --gutter: 24px;
  --headh:  68px;
}

/* ---------- 3. 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--headh) + 20px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink-2);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.8;
  letter-spacing: .012em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, svg, video { max-width: 100%; }
img { height: auto; border: 0; }
svg { display: block; }

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  color: var(--ink);
  font-weight: 750;
  line-height: 1.3;
  letter-spacing: -.004em;
  text-wrap: balance;
}

p { margin: 0; }

a { color: var(--brand-700); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

ul, ol { margin: 0; padding: 0; }

button { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: var(--brand-soft); color: var(--ink); }

/* ---------- 4. 布局工具 ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.wrap--wide { max-width: 1280px; }

.section { padding-block: 84px; }
.section--tight { padding-block: 60px; }
.section--soft { background: var(--bg-soft); }
.section--warm { background: var(--bg-warm); }
.section--dark { background: var(--brand-deep); color: var(--on-dark-2); }
.section--line { border-top: 1px solid var(--line); }

.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head--center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 12px;
  color: var(--brand-700);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .09em;
}
.eyebrow::before {
  content: "";
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}

.section-head h2 { font-size: clamp(24px, 3.1vw, 32px); font-weight: 800; }
.section-head p {
  margin-top: 14px;
  color: var(--ink-3);
  font-size: 16.5px;
  line-height: 1.8;
}

.hr { height: 1px; background: var(--line); border: 0; margin: 0; }

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 12px; top: 12px; z-index: 200;
  padding: 10px 16px;
  background: var(--brand-deep);
  color: #fff;
  border-radius: var(--r-sm);
}

/* ---------- 5. 图标 ---------- */
.ic {
  width: 1em;
  height: 1em;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: -.14em;
}

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  background: none;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: .01em;
  text-align: center;
  cursor: pointer;
  transition: background-color .18s, color .18s, border-color .18s,
              box-shadow .18s, transform .18s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn__ic { width: 17px; height: 17px; }

/* 去注册（联盟入口）—— 全站最醒目的动作 */
.btn--cta {
  background: var(--accent);
  color: #241703;
  box-shadow: 0 2px 0 rgba(0, 0, 0, .06), 0 10px 22px -12px rgba(224, 154, 40, .85);
}
.btn--cta:hover { background: var(--accent-600); }

/* 站内下一步 */
.btn--primary { background: var(--brand); color: #fff; box-shadow: var(--sh-xs); }
.btn--primary:hover { background: var(--brand-600); }

/* 次要 */
.btn--ghost {
  background: var(--bg);
  color: var(--brand-700);
  border-color: var(--brand-line);
}
.btn--ghost:hover { background: var(--brand-soft); border-color: var(--brand); }

/* 深色区块上的次要按钮 */
.btn--light {
  background: rgba(255, 255, 255, .1);
  color: #fff;
  border-color: rgba(255, 255, 255, .34);
}
.btn--light:hover { background: rgba(255, 255, 255, .18); }

.btn--sm { min-height: 40px; padding: 9px 16px; font-size: 14.5px; }
.btn--lg { min-height: 54px; padding: 15px 28px; font-size: 16.5px; }
.btn--block { width: 100%; }

/* 文字链 */
.more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand-700);
  font-size: 15px;
  font-weight: 700;
}
.more .ic { width: 16px; height: 16px; transition: transform .18s; }
.more:hover { text-decoration: none; }
.more:hover .ic { transform: translateX(3px); }

/* ---------- 7. 标签 / 徽章 ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: var(--r-pill);
  background: var(--brand-soft);
  color: var(--brand-700);
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: .02em;
  white-space: nowrap;
}
.chip--warm { background: var(--accent-soft); color: #7A5410; }
.chip--grey { background: var(--bg-soft); color: var(--ink-3); }
.chip--line {
  background: transparent;
  border: 1px solid var(--line-2);
  color: var(--ink-3);
}
.chip__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex: 0 0 auto;
}
/* 在纵向 flex 容器里 .chip 会被 align-items:stretch 拉成整行宽的色块，
   这里强制它收缩回内容宽度。 */
.card > .chip,
.acard > .chip,
.aside > .chip { align-self: flex-start; }

.pill-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 10px;
  border: 1px solid var(--brand-line);
  border-radius: var(--r-pill);
  background: var(--bg);
  color: var(--brand-700);
  font-size: 13.5px;
  font-weight: 650;
}
.pill-note .ic { width: 15px; height: 15px; }

/* ---------- 8. 页头 ---------- */
.hdr {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.hdr__in {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: var(--headh);
}

.brand { display: flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.brand:hover { text-decoration: none; }
.brand__mark {
  width: 38px; height: 38px;
  flex: 0 0 auto;
  border-radius: 11px;
  background: linear-gradient(150deg, var(--brand), var(--brand-deep));
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0;
  box-shadow: var(--sh-xs);
}
.brand__txt { display: flex; flex-direction: column; line-height: 1.25; }
.brand__name {
  color: var(--ink);
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: .01em;
}
.brand__sub {
  color: var(--ink-4);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .04em;
}

.nav { margin-left: auto; }
.nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}
.nav__a {
  display: block;
  padding: 8px 13px;
  border-radius: var(--r-sm);
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: background-color .16s, color .16s;
}
.nav__a:hover { background: var(--bg-soft); color: var(--ink); text-decoration: none; }
.nav__a.is-on { background: var(--brand-soft); color: var(--brand-700); }

.hdr__cta { margin-left: 10px; flex: 0 0 auto; }

.burger {
  display: none;
  width: 44px; height: 44px;
  margin-left: auto;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
}
.burger .ic { width: 21px; height: 21px; margin: 0 auto; }

/* 移动端抽屉 */
.drawer {
  display: none;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.drawer.is-open { display: block; }
.drawer__list { list-style: none; padding: 8px var(--gutter) 20px; }
.drawer__a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 2px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 16.5px;
  font-weight: 650;
}
.drawer__a:hover { text-decoration: none; color: var(--brand-700); }
.drawer__a.is-on { color: var(--brand-700); }
.drawer__cta { margin-top: 16px; }

/* ---------- 9. Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: 68px 76px;
  background:
    radial-gradient(1200px 520px at 88% -10%, var(--brand-soft) 0%, transparent 62%),
    radial-gradient(760px 420px at -8% 108%, var(--accent-soft) 0%, transparent 60%),
    var(--bg);
}
.hero__in {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  align-items: center;
  gap: 56px;
}
.hero__title {
  margin-top: 18px;
  font-size: clamp(28px, 4vw, 43px);
  font-weight: 820;
  line-height: 1.2;
  letter-spacing: -.012em;
}
/* 强调行独占一行，避免高亮底色被断行切成两半 */
.hero__title em {
  display: block;
  width: fit-content;
  font-style: normal;
  color: var(--brand-700);
  background: linear-gradient(transparent 68%, rgba(242, 169, 59, .38) 68%);
  padding-inline: 2px;
}
.hero__lede {
  margin-top: 20px;
  max-width: 33em;
  color: var(--ink-2);
  font-size: 17px;
  line-height: 1.85;
}
.hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.hero__note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 20px;
  color: var(--ink-3);
  font-size: 14px;
  line-height: 1.7;
}
.hero__note .ic { width: 16px; height: 16px; margin-top: 3px; color: var(--brand); }

.hero__art { position: relative; }
.hero__art svg { width: 100%; height: auto; }

/* ---------- 10. 信任条 ---------- */
.trust {
  border-block: 1px solid var(--line);
  background: var(--bg-soft);
}
.trust__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding-block: 18px;
}
.trust__it {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.55;
}
.trust__it .ic { width: 19px; height: 19px; color: var(--brand); }

/* ---------- 11. 卡片 ---------- */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg);
  box-shadow: var(--sh-xs);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.card:hover {
  border-color: var(--brand-line);
  box-shadow: var(--sh);
  transform: translateY(-3px);
}

.card__ic {
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 15px;
  background: var(--brand-soft);
  color: var(--brand-700);
}
.card__ic .ic { width: 26px; height: 26px; }
.card__ic--warm { background: var(--accent-soft); color: #8A5A0D; }

.card__no {
  position: absolute;
  top: 18px; right: 22px;
  color: var(--brand-soft);
  font-size: 40px;
  font-weight: 850;
  line-height: 1;
  letter-spacing: -.04em;
  user-select: none;
}

.card h3 { font-size: 19.5px; font-weight: 750; }
.card__desc {
  margin-top: 10px;
  color: var(--ink-3);
  font-size: 15.5px;
  line-height: 1.78;
}

.card__list {
  margin-top: 18px;
  list-style: none;
  border-top: 1px solid var(--line);
}
.card__list li { border-bottom: 1px solid var(--line); }
.card__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 600;
}
.card__list a:hover { color: var(--brand-700); text-decoration: none; }
.card__list a:hover .ic { transform: translateX(3px); }
.card__list .ic {
  width: 15px; height: 15px;
  color: var(--brand);
  transition: transform .18s;
  flex: 0 0 auto;
}
.card__foot { margin-top: auto; padding-top: 20px; }

/* 文章卡 */
.acard {
  display: flex;
  flex-direction: column;
  padding: 24px 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg);
  box-shadow: var(--sh-xs);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.acard:hover {
  border-color: var(--brand-line);
  box-shadow: var(--sh);
  transform: translateY(-3px);
}
/* 顶部色条：优先取所在分栏的色调变量，未指定时回退为品牌绿→琥珀渐变。
   ::before 让「只写 .acard.tint-x、不写子元素」的标记也能出版色条。 */
.acard::before,
.acard__band {
  content: "";
  display: block;
  flex: 0 0 auto;
  width: 44px;
  height: 4px;
  margin-bottom: 18px;
  border-radius: 4px;
  background: var(--tint, linear-gradient(90deg, var(--brand), var(--accent)));
}
.acard h3 { font-size: 18.5px; font-weight: 750; line-height: 1.45; }
.acard h3 a { color: var(--ink); }
.acard h3 a:hover { color: var(--brand-700); text-decoration: none; }
.acard__ex {
  margin-top: 11px;
  color: var(--ink-3);
  font-size: 15px;
  line-height: 1.78;
}
.acard__meta {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--ink-4);
  font-size: 13px;
  font-weight: 600;
}
.acard__meta .ic { width: 15px; height: 15px; color: var(--ink-4); }

/* ---------- 12. 步骤流 ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
  counter-reset: flow;
}
.flow__it {
  position: relative;
  padding: 0 0 0 0;
  counter-increment: flow;
}
.flow__no {
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  box-shadow: 0 0 0 6px var(--brand-soft);
}
.flow__no::before { content: counter(flow, decimal-leading-zero); }
.flow__it:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 23px; left: 60px; right: -13px;
  height: 1.5px;
  background: repeating-linear-gradient(90deg, var(--line-2) 0 7px, transparent 7px 14px);
}
.flow__it h3 { font-size: 18px; font-weight: 750; }
.flow__it p {
  margin-top: 8px;
  color: var(--ink-3);
  font-size: 15.5px;
  line-height: 1.78;
}
.flow__it .more { margin-top: 12px; }

/* ---------- 13. 表格 ---------- */
.tw { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.7;
}
.table caption {
  margin-bottom: 12px;
  color: var(--ink-3);
  font-size: 14px;
  text-align: left;
}
.table th {
  padding: 13px 16px;
  border-bottom: 1.5px solid var(--brand-line);
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-size: 14.5px;
  font-weight: 750;
  text-align: left;
  white-space: nowrap;
}
.table th:first-child { border-radius: var(--r-sm) 0 0 0; }
.table th:last-child { border-radius: 0 var(--r-sm) 0 0; }
.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.table tbody tr:hover td { background: var(--bg-soft); }
.table td:first-child { color: var(--ink); font-weight: 650; }
.table code {
  padding: 2px 6px;
  border-radius: 5px;
  background: var(--bg-soft);
  color: var(--brand-700);
  font-family: var(--font-mono);
  font-size: .88em;
}
.table--fixed { table-layout: fixed; }

/* ---------- 14. 提示块 ---------- */
/* 提示块：图标绝对定位、正文按普通流排版。
   旧写法用 flex 行排列，一旦块内是「图标 + 多段内容」或「多个元素」，
   浏览器会把这些兄弟节点排成一行，读起来像分了栏。 */
.note {
  position: relative;
  padding: 17px 20px;
  border: 1px solid var(--info-line);
  border-left-width: 4px;
  border-radius: var(--r-sm);
  background: var(--info-bg);
  color: var(--info-ink);
  font-size: 15.5px;
  line-height: 1.78;
}
.note:has(> .ic:first-child) { padding-left: 54px; }
.note > .ic:first-child {
  position: absolute;
  left: 20px;
  top: 18px;
  width: 20px;
  height: 20px;
  margin: 0;
}
.note > * + * { margin-top: 10px; }
.note strong { color: inherit; font-weight: 750; }
.note--warn { background: var(--warn-bg); border-color: var(--warn-line); color: var(--warn-ink); }
.note--stop { background: var(--stop-bg); border-color: var(--stop-line); color: var(--stop-ink); }
.note--plain { background: var(--bg-soft); border-color: var(--line-2); color: var(--ink-2); }

/* ---------- 15. FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq__grp { margin-top: 34px; }
.faq__grp:first-child { margin-top: 0; }
.faq__grp > h2 {
  font-size: 19px;
  font-weight: 780;
  padding-bottom: 12px;
  border-bottom: 1.5px solid var(--brand-line);
  margin-bottom: 4px;
}
.qa {
  border-bottom: 1px solid var(--line);
}
.qa summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  color: var(--ink);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { color: var(--brand-700); }
.qa summary .ic {
  width: 20px; height: 20px;
  margin-top: 5px;
  color: var(--brand);
  flex: 0 0 auto;
  transition: transform .22s ease;
}
.qa[open] summary .ic { transform: rotate(180deg); }
.qa__body {
  padding: 0 40px 22px 0;
  color: var(--ink-2);
  font-size: 15.5px;
  line-height: 1.85;
}
.qa__body > * + * { margin-top: 12px; }
.qa__body ul, .qa__body ol { padding-left: 1.25em; }
.qa__body li { margin-top: 6px; }

/* ---------- 16. 文章版式 ---------- */
.phero {
  padding-block: 44px 40px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}
.crumb { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-bottom: 18px; color: var(--ink-4); font-size: 13.5px; font-weight: 600; list-style: none; }
.crumb li { display: flex; align-items: center; gap: 8px; }
.crumb a { color: var(--ink-3); }
.crumb a:hover { color: var(--brand-700); text-decoration: none; }
.crumb .ic { width: 13px; height: 13px; opacity: .7; }
.crumb [aria-current] { color: var(--ink-2); }

.phero__kind { margin-bottom: 14px; }
/* 文章页把 phero__kind 与 chip 写在同一个 <span> 上；inline-flex 会吃掉 margin-bottom，
   这里改成块级收缩盒。 */
.phero__kind.chip { display: flex; width: fit-content; margin-bottom: 14px; }
.phero h1 {
  max-width: 20em;
  font-size: clamp(26px, 3.4vw, 37px);
  font-weight: 820;
  line-height: 1.3;
}
.phero__lede {
  max-width: 44em;
  margin-top: 16px;
  color: var(--ink-2);
  font-size: 16.5px;
  line-height: 1.85;
}
.phero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  margin-top: 22px;
  color: var(--ink-3);
  font-size: 13.5px;
  font-weight: 600;
}
.phero__meta span { display: inline-flex; align-items: center; gap: 7px; }
.phero__meta .ic { width: 15px; height: 15px; color: var(--brand); }

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

/* 栏目页头：在浅色页头上加一团主题色调光晕，用来区分三大主题 */
.phero--hub { position: relative; overflow: hidden; }
.phero--hub::after {
  content: "";
  position: absolute;
  z-index: 0;
  right: -90px;
  top: -130px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--tint-soft, var(--brand-soft)) 0%, transparent 66%);
  pointer-events: none;
}
.phero--hub > .wrap { position: relative; z-index: 1; }
.phero--hub .phero__lede { max-width: 46em; }

.alayout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 292px;
  gap: 56px;
  align-items: start;
}

.prose { max-width: var(--prosew); }
.prose > * + * { margin-top: 20px; }
.prose h2 {
  margin-top: 52px;
  padding-top: 4px;
  font-size: 25px;
  font-weight: 800;
  line-height: 1.42;
  scroll-margin-top: calc(var(--headh) + 24px);
}
.prose h2:first-child { margin-top: 0; }
.prose h2::before {
  content: "";
  display: block;
  width: 34px;
  height: 3px;
  margin-bottom: 14px;
  border-radius: 3px;
  background: var(--accent);
}
.prose h3 {
  margin-top: 34px;
  font-size: 19.5px;
  font-weight: 760;
  scroll-margin-top: calc(var(--headh) + 24px);
}
.prose h4 { margin-top: 26px; font-size: 17px; font-weight: 750; }
.prose p { font-size: 16.5px; line-height: 1.9; }
.prose strong { color: var(--ink); font-weight: 750; }
.prose ul, .prose ol { padding-left: 1.3em; }
/* 注意：.checklist / .steps 会有自己的版式，这里用 :not() 排开，
   否则下面的 > li 规则（优先级更高）会把对勾和序号圆点冲掉。 */
.prose ul:not(.checklist):not(.steps) { list-style: none; padding-left: 0; }
.prose ul:not(.checklist):not(.steps) > li {
  position: relative;
  padding-left: 26px;
  margin-top: 10px;
  font-size: 16.5px;
  line-height: 1.85;
}
.prose ul:not(.checklist):not(.steps) > li::before {
  content: "";
  position: absolute;
  left: 4px; top: .68em;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--brand-line);
}
.prose ol:not(.steps) > li {
  margin-top: 10px;
  padding-left: 4px;
  font-size: 16.5px;
  line-height: 1.85;
}
.prose ol:not(.steps) > li::marker { color: var(--brand-700); font-weight: 750; }
.prose a { font-weight: 600; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--brand-line); }
.prose a:hover { text-decoration-color: var(--brand); }
.prose code {
  padding: 2.5px 7px;
  border-radius: 6px;
  background: var(--brand-soft);
  color: var(--brand-700);
  font-family: var(--font-mono);
  font-size: .87em;
}
.prose blockquote {
  margin: 26px 0;
  padding: 18px 22px;
  border-left: 4px solid var(--brand);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: var(--bg-soft);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.85;
}
.prose blockquote p { font-size: inherit; }
.prose figure { margin: 30px 0; }
.prose figcaption {
  margin-top: 10px;
  color: var(--ink-4);
  font-size: 13.5px;
  text-align: center;
}
.prose hr { margin: 40px 0; border: 0; border-top: 1px solid var(--line); }

/* 文章内步骤（有序） */
.steps {
  counter-reset: st;
  list-style: none;
  padding-left: 0 !important;
  margin-top: 22px;
}
.steps > li {
  position: relative;
  counter-increment: st;
  padding: 0 0 22px 52px;
  font-size: 16.5px;
  line-height: 1.85;
}
.steps > li::before {
  content: counter(st);
  position: absolute;
  left: 0; top: 2px;
  width: 34px; height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand-700);
  font-size: 15px;
  font-weight: 800;
}
.steps > li::after {
  content: "";
  position: absolute;
  left: 16.5px; top: 40px; bottom: 2px;
  width: 1.5px;
  background: var(--line-2);
}
.steps > li:last-child { padding-bottom: 0; }
.steps > li:last-child::after { display: none; }
.steps > li > strong:first-child { display: block; color: var(--ink); font-weight: 750; }

/* ---------- 17. 目录 / 侧栏 ---------- */
.aside { display: flex; flex-direction: column; gap: 20px; position: sticky; top: calc(var(--headh) + 24px); }
.toc {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--bg-soft);
}
.toc__t {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 780;
  letter-spacing: .03em;
}
.toc__t .ic { width: 16px; height: 16px; color: var(--brand); }
.toc ol { list-style: none; counter-reset: toc; }
.toc li { counter-increment: toc; }
.toc a {
  display: block;
  padding: 7px 0 7px 26px;
  position: relative;
  color: var(--ink-2);
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.62;
  border-top: 1px solid var(--line);
}
.toc ol li:first-child a { border-top: 0; }
.toc a::before {
  content: counter(toc, decimal-leading-zero);
  position: absolute;
  left: 0; top: 7px;
  color: var(--ink-4);
  font-size: 11.5px;
  font-weight: 700;
}
.toc a:hover { color: var(--brand-700); text-decoration: none; }

.aside-cta {
  padding: 22px;
  border-radius: var(--r);
  background: var(--brand-deep);
  color: var(--on-dark-2);
}
.aside-cta h3 { color: var(--on-dark); font-size: 16.5px; font-weight: 750; }
.aside-cta p { margin-top: 9px; font-size: 14px; line-height: 1.75; color: var(--on-dark-3); }
.aside-cta .btn { margin-top: 16px; }
.aside-cta__fine { margin-top: 11px; font-size: 12px; color: var(--on-dark-3); }
/* 深底上的链接：全站 a 默认是深绿（--brand-700），直接继承在深底上几乎不可见 */
.ctaband a:not(.btn),
.aside-cta a:not(.btn) {
  color: var(--on-dark-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.ctaband a:not(.btn):hover,
.aside-cta a:not(.btn):hover { color: #fff; }
.aside-cta ul { list-style: none; margin-top: 12px; }
.aside-cta li + li { margin-top: 10px; }
.aside-cta li a { font-size: 14.5px; font-weight: 600; }

.aside-links {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r);
}
.aside-links h3 {
  font-size: 14px;
  font-weight: 780;
  letter-spacing: .03em;
  margin-bottom: 10px;
  color: var(--ink);
}
.aside-links ul { list-style: none; }
.aside-links li { border-top: 1px solid var(--line); }
.aside-links li:first-child { border-top: 0; }
.aside-links a {
  display: block;
  padding: 9px 0;
  color: var(--ink-2);
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.6;
}
.aside-links a:hover { color: var(--brand-700); text-decoration: none; }

/* ---------- 18. CTA 区块 ---------- */
.ctaband {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-xl);
  background:
    radial-gradient(560px 280px at 90% -30%, rgba(255, 255, 255, .11), transparent 70%),
    radial-gradient(460px 260px at 4% 130%, rgba(242, 169, 59, .18), transparent 70%),
    var(--brand-deep);
  color: var(--on-dark-2);
}
.ctaband__deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.ctaband__in {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 40px;
  padding: 44px 48px;
}
.ctaband h2 { color: var(--on-dark); font-size: clamp(22px, 2.8vw, 29px); font-weight: 800; }
.ctaband p { margin-top: 12px; max-width: 42em; font-size: 16px; line-height: 1.8; color: var(--on-dark-2); }
.ctaband__acts { display: flex; flex-direction: column; gap: 12px; }
.ctaband__fine { color: var(--on-dark-3); font-size: 12.5px; line-height: 1.7; text-align: center; }

/* 单列 CTA（文章末尾那种「标题 + 说明 + 按钮」纵排） */
.ctaband--solo .ctaband__in {
  grid-template-columns: 1fr;
  gap: 0;
  padding: 42px 46px;
  justify-items: start;
}
.ctaband--solo .ctaband__in > .btn { margin-top: 26px; }
.ctaband--solo .ctaband__in > .fine { margin-top: 16px; }
.ctaband--solo .ctaband__in > h2 + p { margin-top: 12px; }
.ctaband--solo.u-center .ctaband__in,
.ctaband--solo .u-center { justify-items: center; text-align: center; }

/* ---------- 18b. 正文内的组件重置（防止 .prose 规则污染深色区块与按钮） ---------- */
.prose .ctaband { margin-top: 44px; }
.prose .ctaband h2 {
  margin-top: 0;
  padding-top: 0;
  font-size: clamp(21px, 2.6vw, 27px);
}
.prose .ctaband h2::before { display: none; }
.prose .ctaband a,
.prose .ctaband a:hover { text-decoration: none; }
.prose .btn,
.prose .btn:hover { text-decoration: none; }
.prose .chip,
.prose .chip:hover { text-decoration: none; }
.prose .note a,
.prose .note a:hover { color: inherit; font-weight: 700; text-decoration: underline; text-underline-offset: 2px; }
.prose .faq { margin-top: 26px; }
.prose .tw { margin-top: 24px; }
.prose .aside-cta h3 { margin-top: 0; }
.prose .aside-links { margin: 0; }

/* 内联 CTA（文中） */
.ctainline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 30px;
  padding: 20px 24px;
  border: 1px dashed var(--brand-line);
  border-radius: var(--r);
  background: var(--brand-soft);
}
.ctainline p { color: var(--brand-deep); font-size: 15.5px; font-weight: 650; line-height: 1.7; }
.ctainline p b { font-weight: 800; }

/* ---------- 19. 页脚 ---------- */
.ftr {
  background: var(--brand-deep);
  color: var(--on-dark-2);
  padding-block: 60px 0;
}
.ftr a { color: var(--on-dark-2); }
.ftr a:hover { color: #fff; text-decoration: none; }
.ftr__top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 46px;
  border-bottom: 1px solid var(--on-dark-line);
}
.ftr__brand { display: flex; align-items: center; gap: 11px; margin-bottom: 16px; }
.ftr__mark {
  width: 38px; height: 38px;
  border-radius: 11px;
  background: rgba(255, 255, 255, .12);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 19px;
  font-weight: 800;
}
.ftr__name { color: #fff; font-size: 16.5px; font-weight: 800; }
.ftr__sub { color: var(--on-dark-3); font-size: 11px; font-weight: 600; letter-spacing: .04em; }
.ftr__about { max-width: 30em; font-size: 14.5px; line-height: 1.85; color: var(--on-dark-3); }
.ftr__disc {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  background: var(--on-dark-tint);
  font-size: 13px;
  line-height: 1.75;
  color: var(--on-dark-3);
}
.ftr h3 {
  color: #fff;
  font-size: 14px;
  font-weight: 780;
  letter-spacing: .05em;
  margin-bottom: 16px;
}
.ftr ul { list-style: none; }
.ftr li { margin-top: 11px; }
.ftr li a { font-size: 14.5px; }
.ftr__bot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-block: 24px;
  color: var(--on-dark-3);
  font-size: 13px;
}
.ftr__bot nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.ftr__wf { display: inline-flex; align-items: center; gap: 7px; }
.ftr__wf .ic { width: 15px; height: 15px; }

/* ---------- 20. 其它 ---------- */
.stat {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}
.stat__it { padding: 22px 20px; background: var(--bg); }
.stat__n { color: var(--ink); font-size: 26px; font-weight: 830; line-height: 1.2; letter-spacing: -.02em; }
.stat__l { margin-top: 6px; color: var(--ink-3); font-size: 14px; font-weight: 600; line-height: 1.6; }

.deflist { border-top: 1px solid var(--line); }
.deflist > div { padding: 18px 0; border-bottom: 1px solid var(--line); }
.deflist dt { color: var(--ink); font-size: 16.5px; font-weight: 750; }
.deflist dd { margin: 8px 0 0; color: var(--ink-2); font-size: 15.5px; line-height: 1.82; }

.errbox { max-width: 620px; margin-inline: auto; padding-block: 96px 110px; text-align: center; }
.errbox h1 { margin-top: 8px; font-size: clamp(22px, 3.2vw, 30px); font-weight: 800; }
.errbox p { margin-top: 14px; color: var(--ink-3); font-size: 16.5px; line-height: 1.85; }
/* 放在 .errbox p 之后：同级（甚至更高）优先级，避免 404 大字被正文规则压回 16px */
.errbox__code,
.errbox p.errbox__code {
  margin-top: 0;
  color: var(--brand-soft);
  font-size: clamp(72px, 14vw, 124px);
  font-weight: 850;
  line-height: .98;
  letter-spacing: -.05em;
}
.errbox__acts { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 30px; }

.linklist { list-style: none; }
.linklist li { border-bottom: 1px solid var(--line); }
.linklist a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 2px;
  color: var(--ink);
  font-size: 16.5px;
  font-weight: 650;
}
.linklist a:hover { color: var(--brand-700); text-decoration: none; }
.linklist a:hover .ic { transform: translateX(3px); }
.linklist .ic { width: 17px; height: 17px; color: var(--brand); transition: transform .18s; flex: 0 0 auto; }
.linklist small { display: block; margin-top: 3px; color: var(--ink-3); font-size: 14px; font-weight: 500; }

/* ---------- 20b. 分栏色调（只用于小面积强调，不铺大面积底色） ---------- */
.tint-reg   { --tint: var(--brand);  --tint-soft: var(--brand-soft);  --tint-ink: var(--brand-700); }
.tint-build { --tint: #C07A12;       --tint-soft: #FDF0DA;            --tint-ink: #7E4E08; }
.tint-store { --tint: #146C86;       --tint-soft: #E3F0F5;            --tint-ink: #0B4E62; }

.eyebrow.tint-reg   { color: var(--brand-700); }
.eyebrow.tint-build { color: #7E4E08; }
.eyebrow.tint-store { color: #0B4E62; }

.card__ic.tint-build { background: #FDF0DA; color: #7E4E08; }
.card__ic.tint-store { background: #E3F0F5; color: #0B4E62; }

.acard__band.tint-build { background: linear-gradient(90deg, #C07A12, var(--accent)); }
.acard__band.tint-store { background: linear-gradient(90deg, #146C86, #3E9AB4); }

.chip.tint-build { background: #FDF0DA; color: #7E4E08; }
.chip.tint-store { background: #E3F0F5; color: #0B4E62; }

.flow__no.tint-build { background: #C07A12; box-shadow: 0 0 0 6px #FDF0DA; }
.flow__no.tint-store { background: #146C86; box-shadow: 0 0 0 6px #E3F0F5; }

/* ---------- 20c. 清单（对勾列表） ---------- */
.checklist { list-style: none; padding-left: 0 !important; }
.checklist > li {
  position: relative;
  padding-left: 32px;
  margin-top: 12px;
  font-size: 16.5px;
  line-height: 1.85;
}
.checklist > li::before {
  content: "";
  position: absolute;
  left: 0; top: .38em;
  width: 19px; height: 19px;
  border-radius: 50%;
  background: var(--brand-soft) url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23008060' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 11px 11px no-repeat;
}
.checklist > li > strong:first-child { color: var(--ink); font-weight: 750; }

/* ---------- 20d. 非对称两栏 ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1fr);
  gap: 52px;
  align-items: center;
}
.split--rev { grid-template-columns: minmax(0, 1fr) minmax(0, .82fr); }
.split--top { align-items: start; }

/* ---------- 20e. 工具类（仅保留有语义的少数几个） ---------- */
.u-center { text-align: center; }
.u-brand  { color: var(--brand); }
.u-full   { width: 100%; }
.u-mx     { margin-inline: auto; }
.u-nowrap { white-space: nowrap; }
.u-mt     { margin-top: 26px; }
.u-mt-lg  { margin-top: 40px; }
.u-hang   { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.u-between { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }

/* 小字说明 */
.fine { font-size: 14px; line-height: 1.7; color: var(--ink-3); }
.prose .fine { font-size: 14px; }
.ctaband .fine { color: var(--on-dark-3); }
.fine + .fine { margin-top: 8px; }

.ic-mr { margin-right: .42em; }
.ic-ml { margin-left: .42em; }
.btn > .ic-mr, .btn > .ic-ml,
.more > .ic-mr, .more > .ic-ml,
.chip > .ic-mr, .chip > .ic-ml,
.note > .ic-mr, .note > .ic-ml,
.phero__meta > .ic-mr, .phero__meta > .ic-ml { margin: 0; }

/* ---------- 20f. 正文内嵌小标题组 ---------- */
.prose .lead-in {
  margin-top: 30px;
  padding-left: 16px;
  border-left: 3px solid var(--accent);
  color: var(--ink);
  font-size: 17px;
  font-weight: 700;
}

/* ---------- 21. 响应式 ---------- */
@media (max-width: 1040px) {
  :root { --gutter: 22px; }
  .nav, .hdr__cta { display: none; }
  .burger { display: block; }
  .hero__in { grid-template-columns: 1fr; gap: 40px; }
  .hero__art { max-width: 560px; margin-inline: auto; width: 100%; }
  .alayout { grid-template-columns: 1fr; gap: 40px; padding-block: 44px 64px; }
  .split { grid-template-columns: 1fr !important; gap: 34px; }
  .aside { position: static; }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ftr__top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .ctaband__in { grid-template-columns: 1fr; gap: 26px; padding: 36px 32px; }
  .ctaband__acts { flex-direction: row; flex-wrap: wrap; }
}

@media (max-width: 820px) {
  body { font-size: 16.5px; }
  .section { padding-block: 60px; }
  .grid--3 { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; gap: 30px; }
  .flow__it:not(:last-child)::after { display: none; }
  .trust__grid { grid-template-columns: repeat(2, 1fr); gap: 14px 20px; }
  .stat { grid-template-columns: 1fr; }
  .prose h2 { margin-top: 42px; font-size: 22px; }
  .prose p, .prose ul > li, .prose ol > li { font-size: 16.5px; }
  .phero { padding-block: 34px 30px; }
  .hero { padding-block: 46px 56px; }
}

@media (max-width: 560px) {
  :root { --gutter: 18px; --headh: 62px; }
  .grid--2, .grid--4 { grid-template-columns: 1fr; }
  .ftr__top { grid-template-columns: 1fr; }
  .card, .acard { padding: 22px; }
  .hero__acts .btn { flex: 1 1 100%; }
  .ctaband { border-radius: var(--r-lg); }
  .ctaband__in { padding: 28px 22px; }
  .ctaband__acts .btn { flex: 1 1 100%; }
  .errbox { padding-block: 64px 80px; }
  .brand__sub { display: none; }
  .table { font-size: 14.5px; }
  .table th, .table td { padding: 11px 12px; }
  .qa summary { font-size: 15.5px; }
  .qa__body { padding-right: 0; }
}

/* ---------- 22. 动效偏好 / 打印 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}

@media print {
  .hdr, .burger, .ftr, .aside, .ctaband, .ctainline, .hero__art { display: none !important; }
  body { font-size: 12pt; color: #000; }
  .prose a { text-decoration: none; color: #000; }
  .alayout { grid-template-columns: 1fr; }
}