/* UITG 翻译 · 企业采购指南（杂志排版，冷色；不是英语加油站米色） */
:root {
  --ink: #0f172a;
  --muted: #475569;
  --paper: #f4f6f8;
  --card: #ffffff;
  --wine: #0b5fff;
  --wine-dark: #0847c9;
  --line: #e2e8f0;
  --shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font: 17px/1.55 "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: var(--ink);
  background: var(--paper);
}
a { color: var(--wine); }
.st-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 24px 8px;
}
.st-brand {
  font-family: Georgia, "Songti SC", serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}
.st-brand span { display: block; font-size: 0.72rem; font-weight: 400; color: var(--muted); letter-spacing: 0.04em; }
.st-bar nav a {
  margin-left: 16px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
}
.st-bar nav a:hover { color: var(--wine); }
.st-bar nav a.st-learn {
  color: var(--wine);
  font-weight: 700;
}

.st-hero {
  max-width: 1120px;
  margin: 8px auto 0;
  padding: 8px 24px 36px;
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(320px, 1.15fr);
  gap: 36px;
  align-items: center;
}
.st-hero h1 {
  margin: 0 0 12px;
  font: 700 2.35rem/1.2 Georgia, "Songti SC", serif;
}
.st-hero .lead {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 1.05rem;
}
.st-en-mark {
  margin: 0 0 10px;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-weight: 400;
}
.st-hero-fig {
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #0b3b5a;
}
.st-hero-fig img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
}

.st-wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px 56px;
}
.st-k {
  margin: 0 0 8px;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--wine);
  font-weight: 700;
}
.st-h2 {
  margin: 0 0 8px;
  font: 700 1.45rem/1.3 Georgia, "Songti SC", serif;
}
.st-sub { margin: 0 0 22px; color: var(--muted); }

.st-doors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 0 0 48px;
}
.st-door {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 22px 20px;
  text-decoration: none;
  color: inherit;
  min-height: 168px;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.st-door:hover {
  transform: translateY(-3px);
  border-color: var(--wine);
}
.st-door .n {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--wine);
  margin-bottom: 8px;
}
.st-door strong {
  display: block;
  font-size: 1.28rem;
  margin-bottom: 8px;
}
.st-door p { margin: 0 0 14px; color: var(--muted); font-size: 0.95rem; }
.st-door .go { font-size: 0.88rem; font-weight: 700; color: var(--wine); }

.st-tips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 0 0 18px;
}
.st-tip {
  background: var(--card);
  border-top: 3px solid var(--wine);
  padding: 16px 16px 18px;
}
.st-tip h3 { margin: 0 0 8px; font-size: 1rem; }
.st-tip p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.st-tip em { font-style: normal; color: var(--ink); font-weight: 700; }

.st-methods {
  display: grid;
  gap: 14px;
  margin: 0 0 18px;
}
.st-method {
  background: var(--card);
  border-left: 3px solid var(--wine);
  padding: 16px 18px 18px;
}
.st-method h3 { margin: 0 0 8px; font-size: 1.05rem; }
.st-method p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.st-method em { font-style: normal; color: var(--ink); font-weight: 700; }
.st-method a { font-weight: 600; }

.st-materials {
  margin: 0 0 40px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  font-size: 0.92rem;
}
.st-materials a { font-weight: 600; }

.st-more {
  margin: 0 0 40px;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.92rem;
}
.st-more li { margin: 0 0 6px; }

.st-foot {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  font-size: 0.88rem;
  color: var(--muted);
}
.st-foot a { color: var(--muted); }
.st-foot nav { margin: 10px 0; }
.st-foot nav a { margin-right: 14px; }
.st-foot .legal-note {
  font-size: 11px;
  line-height: 1.5;
  color: var(--paper);
  margin: 12px 0 0;
  max-width: 42em;
}

/* 英语角 / 打卡营落地页 */
.st-lp {
  max-width: 760px;
}
.st-lp-hero {
  margin: 8px auto 0;
  padding: 8px 24px 28px;
}
.st-lp-hero h1 {
  margin: 0 0 12px;
  font: 700 2.1rem/1.2 Georgia, "Songti SC", serif;
}
.st-lp-hero .lead {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 1.05rem;
}
.st-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  align-items: center;
}
.st-cta {
  display: inline-block;
  background: var(--wine);
  color: #fff !important;
  text-decoration: none;
  font-weight: 700;
  padding: 12px 22px;
  border-radius: 999px;
  border: 2px solid var(--wine);
}
.st-cta:hover { background: var(--wine-dark); border-color: var(--wine-dark); }
.st-cta-ghost {
  background: transparent;
  color: var(--wine) !important;
}
.st-cta-ghost:hover {
  background: #eef4ff;
}
.st-cta-text {
  font-size: 0.92rem;
  font-weight: 700;
}
.st-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 0 0 28px;
}
.st-fact {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 16px 18px;
  box-shadow: var(--shadow);
}
.st-fact h3 { margin: 0 0 8px; font-size: 1.02rem; }
.st-fact p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.st-steps {
  margin: 0 0 36px;
  padding: 0;
  list-style: none;
  counter-reset: st-step;
}
.st-steps li {
  counter-increment: st-step;
  position: relative;
  padding: 12px 0 12px 48px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.st-steps li:last-child { border-bottom: 0; }
.st-steps li::before {
  content: counter(st-step);
  position: absolute;
  left: 0;
  top: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--wine);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.st-steps strong { color: var(--ink); }

/* 加油站故事 */
.st-story-hero {
  max-width: 760px;
  margin: 8px auto 0;
  padding: 8px 24px 12px;
}
.st-story-hero h1 {
  margin: 0 0 10px;
  font: 700 2.1rem/1.22 Georgia, "Songti SC", serif;
}
.st-story-hero .st-sub { margin: 0; }
.st-story-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}
.st-story-list a {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 22px 20px;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.st-story-list a:hover {
  transform: translateY(-3px);
  border-color: var(--wine);
}
.st-story-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--wine);
  font-weight: 700;
  margin-bottom: 8px;
}
.st-story-list strong {
  display: block;
  font: 700 1.28rem/1.3 Georgia, "Songti SC", serif;
  margin-bottom: 8px;
}
.st-story-dek {
  display: block;
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 10px;
}
.st-story-date {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
}

.st-article {
  max-width: 640px;
  font-size: 1.06rem;
  line-height: 1.8;
}
.st-article h1 {
  margin: 0 0 12px;
  font: 700 2.15rem/1.22 Georgia, "Songti SC", serif;
}
.st-article .st-meta {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 0.88rem;
  letter-spacing: 0.02em;
}
.st-article p {
  margin: 0 0 1.2em;
}
.st-article h2 {
  margin: 0 0 0.85em;
  font: 700 1.42rem/1.3 Georgia, "Songti SC", serif;
}
.st-article h3 {
  margin: 1.25em 0 0.45em;
  font-size: 1.08rem;
}
.st-article ul, .st-article ol {
  margin: 0 0 1.25em;
  padding-left: 1.25em;
}
.st-article li { margin: 0 0 0.55em; }
.st-dek {
  margin: 0 0 1.35em;
  font: 500 1.18rem/1.55 Georgia, "Songti SC", serif;
  color: var(--ink);
}
.st-lede {
  margin: 0 0 1.25em;
  font: italic 1.12rem/1.55 Georgia, "Songti SC", serif;
  color: var(--ink);
}
.st-drop::after {
  content: "";
  display: table;
  clear: both;
}
.st-drop-l {
  float: left;
  font-family: Georgia, "Songti SC", "Noto Serif SC", serif;
  font-weight: 700;
  font-size: 5.15rem;
  line-height: 1;
  height: 1em;
  color: var(--wine);
  margin: 0.1rem 0.42rem 0.12rem 0;
}
.st-toc {
  margin: 2.2em 0 0.4em;
  padding: 1.15em 0 1.05em;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}
.st-toc-k {
  margin: 0 0 10px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--wine);
  font-weight: 700;
}
.st-toc ol {
  margin: 0;
  padding-left: 1.15em;
  columns: 2;
  column-gap: 28px;
  font-size: 0.92rem;
}
.st-toc a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.st-toc a:hover { border-bottom-color: var(--wine); color: var(--wine); }
.st-chap {
  margin: 2.6em 0 0;
  padding: 2.1em 0 0.2em;
  border-top: 1px solid var(--line);
  scroll-margin-top: 20px;
}
.st-chap-n {
  margin: 0 0 8px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--wine);
}
.st-pull {
  margin: 2em 8% 2.1em;
  padding: 1.35em 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  font: 500 1.38rem/1.45 Georgia, "Songti SC", serif;
  text-align: center;
  text-wrap: pretty;
}
.st-pull span {
  display: block;
  margin-top: 0.55em;
  font-size: 0.92rem;
  font-weight: 400;
  color: var(--muted);
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
}
.st-fact {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px 16px;
  margin: 0 0 1.6em;
}
.st-fact p:last-child { margin-bottom: 0; }
.st-fact ul { margin: 0.4em 0 0.2em; }
.st-plan {
  display: grid;
  gap: 12px;
  margin: 0 0 1.5em;
}
.st-plan article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px 14px;
}
.st-plan .t {
  margin: 0 0 6px;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--wine);
}
.st-plan h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}
.st-plan p { margin: 0 0 8px; }
.st-plan .dont {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}
.st-plan .dont::before {
  content: "别：";
  font-weight: 700;
  color: var(--wine);
  margin-right: 4px;
}
.st-fn {
  font-size: 0.75em;
  line-height: 1;
  vertical-align: super;
  text-decoration: none;
  color: var(--wine);
  margin-left: 1px;
}
.st-refs {
  margin: 2.4em 0 0.4em;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}
.st-refs h2 { margin-top: 0.6em; font-size: 1.05rem; }
.st-refs ol {
  margin: 0;
  padding-left: 1.2em;
  color: var(--muted);
  font-size: 0.9rem;
}
.st-refs li { margin: 0 0 0.7em; }
.st-offer {
  display: grid;
  gap: 10px;
  margin: 0 0 1.4em;
}
.st-offer a {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  text-decoration: none;
  color: inherit;
}
.st-offer a:hover { border-color: var(--wine); }
.st-offer strong { display: block; margin-bottom: 4px; }
.st-offer span { color: var(--muted); font-size: 0.92rem; }
.st-faq details {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
.st-faq summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 1.02rem;
}
.st-faq details p { margin: 10px 0 4px; }
.st-crumb {
  margin: 0 0 10px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--wine);
  font-weight: 700;
}
.st-crumb a { text-decoration: none; }
.st-box {
  background: var(--card);
  border-left: 3px solid var(--wine);
  padding: 16px 18px 18px;
  margin: 28px 0 8px;
}
.st-box .st-box-kicker {
  margin: 0 0 8px;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--wine);
  font-weight: 700;
}
.st-box p { margin: 0 0 10px; color: var(--muted); }
.st-box .st-cta-row { margin: 16px 0 0; }
.st-teaser {
  margin: 0 0 40px;
}
.st-listen {
  margin-left: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 999px;
  padding: 1px 10px;
  font-size: 0.78rem;
  cursor: pointer;
  vertical-align: middle;
}
.st-listen:hover { border-color: var(--wine); color: var(--wine); }

.st-qlist { list-style: none; padding: 0; margin: 0 0 32px; }
.st-qlist li { border-bottom: 1px solid var(--line); }
.st-qlist a, .st-qlist .soon {
  display: block;
  padding: 16px 0;
  text-decoration: none;
  color: var(--ink);
}
.st-qlist a { font-weight: 700; }
.st-qlist a:hover { color: var(--wine); }
.st-qlist .soon { color: var(--muted); font-weight: 500; }
.st-qlist small {
  display: block;
  margin-top: 4px;
  font-weight: 400;
  font-size: 0.9rem;
  color: var(--muted);
}

@media (max-width: 860px) {
  .st-hero, .st-doors, .st-tips, .st-facts { grid-template-columns: 1fr; }
  .st-hero h1 { font-size: 1.85rem; }
  .st-lp-hero h1 { font-size: 1.7rem; }
  .st-article h1, .st-story-hero h1 { font-size: 1.7rem; }
  .st-door { min-height: 0; }
  .st-toc ol { columns: 1; }
  .st-pull { margin-left: 0; margin-right: 0; font-size: 1.22rem; }
  .st-drop-l { font-size: 4.15rem; }
}