/* ===========================================================
   瑞创泽思官网 · 站点补充样式
   仅用于：二级导航下拉、面包屑、业务归属标识、业务层级卡片
   不修改 style.css 的任何既有规则
   =========================================================== */

/* ---------- 二级导航 ---------- */
.nav__item { position: relative; }
.nav__item > a { display: inline-flex; align-items: center; gap: 5px; }
.nav__item > a .caret {
  font-size: 10px; line-height: 1; color: var(--muted);
  transition: transform .2s ease; display: inline-block;
}
.nav__item:hover > a .caret { transform: rotate(180deg); }

.dropdown {
  position: absolute; top: 100%; right: 0; left: auto;
  min-width: 260px; background: #fff; border: 1px solid var(--line);
  border-radius: 14px; box-shadow: var(--shadow-md); padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease; z-index: 60;
}
.nav__item:hover .dropdown,
.nav__item:focus-within .dropdown {
  opacity: 1; visibility: visible; transform: translateY(2px);
}
.dropdown a {
  display: block; padding: 10px 12px; border-radius: 9px;
  font-size: 14.5px; color: var(--ink-2); white-space: nowrap;
}
.dropdown a::after { display: none; }
.dropdown a:hover { background: var(--blue-50); color: var(--blue-700); }
.dropdown a.active { background: var(--blue-50); color: var(--blue-700); font-weight: 700; }
.dropdown__label {
  display: block; padding: 8px 12px 4px; font-size: 12px;
  color: var(--muted); font-weight: 700; letter-spacing: .6px;
}
.dropdown__group + .dropdown__group { border-top: 1px solid var(--line); margin-top: 4px; padding-top: 4px; }
.dropdown .sub { display: block; font-size: 12.5px; color: var(--muted); font-weight: 400; margin-top: 2px; }

@media (max-width: 940px) {
  .nav__item { width: 100%; }
  .nav__item > a { width: 100%; padding: 12px 0; justify-content: space-between; }
  .nav__item > a .caret { display: none; }
  .dropdown {
    position: static; transform: none; opacity: 1; visibility: visible;
    box-shadow: none; border: none; border-radius: 0; min-width: 0;
    padding: 0 0 8px 14px; background: transparent;
  }
  .nav__item:hover .dropdown { transform: none; }
  .dropdown a { padding: 9px 10px; font-size: 14px; }
  .dropdown__label { padding: 6px 10px 2px; }
}

/* ---------- 面包屑 ---------- */
.crumb {
  padding: 18px 0 0; font-size: 13.5px; color: var(--muted);
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
}
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--blue-700); }
.crumb .sep { color: #cbd5e1; }
.crumb .now { color: var(--ink-2); font-weight: 600; }

/* ---------- 业务归属标识 ---------- */
.parent-tag {
  display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin: 10px 0 0; padding: 9px 14px; border-radius: 999px;
  background: var(--blue-50); border: 1px solid var(--blue-100);
  font-size: 13.5px; color: var(--blue-700); font-weight: 600;
}
.parent-tag a { color: var(--blue-700); text-decoration: underline; text-underline-offset: 3px; }
.parent-tag .lbl { color: var(--muted); font-weight: 500; }

/* 案例卡片（业务页里的落地案例区块） */
.case-link {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 22px 24px; box-shadow: var(--shadow-sm);
}
.case-link__body { flex: 1 1 320px; min-width: 0; }
.case-link__body h3 { margin: 0 0 6px; font-size: 19px; color: var(--ink); }
.case-link__body p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }
.case-link__body .meta { font-size: 13px; color: var(--blue-700); font-weight: 700; margin-bottom: 6px; }
.case-link > .btn { flex: 0 0 auto; }

/* 能力清单（定制开发页） */
.cap-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 680px) { .cap-grid { grid-template-columns: 1fr; } }

/* 场景类型标签组 */
.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 940px) { .scene-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .scene-grid { grid-template-columns: 1fr; } }
.scene-card {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 18px; box-shadow: var(--shadow-sm);
}
.scene-card h4 { margin: 0 0 6px; font-size: 16px; color: var(--ink); }
.scene-card p { margin: 0; font-size: 14px; color: var(--muted); line-height: 1.65; }
.scene-card .no {
  display: inline-block; font-size: 12px; font-weight: 800; color: var(--blue-600);
  letter-spacing: 1px; margin-bottom: 6px;
}

/* 层级说明（关于页） */
.ladder { display: grid; gap: 14px; }
.ladder__row {
  display: flex; align-items: flex-start; gap: 14px; flex-wrap: wrap;
  background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px;
}
.ladder__row .k {
  flex: 0 0 auto; min-width: 132px; font-weight: 800; color: var(--blue-700); font-size: 15.5px;
}
.ladder__row .v { flex: 1 1 260px; min-width: 0; color: var(--ink-2); font-size: 15px; line-height: 1.7; }
.ladder__row .v a { color: var(--blue-700); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 桌面端窄幅防挤压（导航项较多） ---------- */
@media (min-width: 941px) and (max-width: 1240px) {
  .nav__links { gap: 18px; }
  .nav__links a { font-size: 14.5px; }
  .nav__cta { padding: 10px 16px; font-size: 14px; }
}

/* ===========================================================
   首页重点业务强化（企澜出海 / AI 获客）
   =========================================================== */

/* 重点徽标：暖金强调，用于把两块重点业务从其他区块里拉出来 */
.flag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  background: #fff7ed; border: 1px solid #fed7aa; color: #b45309;
  font-size: 12.5px; font-weight: 800; letter-spacing: .06em;
  margin-bottom: 16px;
}
.flag .dot-live {
  width: 7px; height: 7px; border-radius: 50%; background: #f59e0b;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, .22);
}

/* Hero 内两块重点业务的强调卡（替换默认 panel-row 观感） */
.hero-picks { position: relative; display: grid; gap: 14px; }
.hero-pick {
  border: 1px solid var(--line); border-radius: 16px; padding: 18px 18px 16px;
  background: #fff; box-shadow: var(--shadow-sm); transition: all .18s ease;
  display: block;
}
.hero-pick:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--blue-200); }
.hero-pick .top { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.hero-pick .ico {
  width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
  font-weight: 800; font-size: 15px; color: #fff; flex: none;
}
.hero-pick.p1 .ico { background: linear-gradient(135deg, #1e3a8a, #2563eb); }
.hero-pick.p2 .ico { background: linear-gradient(135deg, #0e7490, #06b6d4); }
.hero-pick h4 { margin: 0; font-size: 16.5px; color: var(--ink); }
.hero-pick .kind { font-size: 11.5px; color: var(--muted); display: block; margin-top: 1px; }
.hero-pick p { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.65; }
.hero-pick .go { display: inline-block; margin-top: 8px; font-size: 13px; font-weight: 700; color: var(--blue-700); }

/* 重点业务区块：视觉面板内的指标行 */
.visual-h { font-size: 12px; letter-spacing: .12em; color: rgba(255,255,255,.72); font-weight: 700; margin-bottom: 4px; }
.visual-metrics { display: grid; gap: 9px; margin-top: 18px; }
.visual-metric {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  border-top: 1px solid rgba(255,255,255,.24); padding-top: 9px;
  font-size: 14px; color: rgba(255,255,255,.92);
}
.visual-metric b { font-size: 16px; font-weight: 800; color: #fff; white-space: nowrap; }

/* 重点业务区块容器 */
.flagship { padding: 64px 0; }
.flagship + .flagship { border-top: 1px solid var(--line); }
.flagship .svc-detail { padding: 0; border-bottom: none; }
.flagship .svc-detail h2 { font-size: 27px; line-height: 1.35; }
.flagship .btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }

/* 三条业务线：紧凑展示，作为能力底座 */
.biz-mini { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.biz-mini .item {
  background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 18px 18px 16px;
  box-shadow: var(--shadow-sm);
}
.biz-mini .item .k { font-size: 15.5px; font-weight: 800; color: var(--ink); margin-bottom: 4px; }
.biz-mini .item .d { font-size: 14px; color: var(--muted); line-height: 1.65; margin: 0 0 10px; }
.biz-mini .item a { font-size: 13px; font-weight: 700; color: var(--blue-700); }

@media (max-width: 940px) {
  .biz-mini { grid-template-columns: 1fr; }
  .flagship { padding: 48px 0; }
}
@media (max-width: 680px) {
  .hero-pick { padding: 15px 15px 14px; }
  .flagship .svc-detail h2 { font-size: 22px; }
  .visual-metric { font-size: 13.5px; }
  .visual-metric b { font-size: 15px; }
}

/* ===========================================================
   首页重点业务：优势条目（六大优势 / 四大优势）
   =========================================================== */
.adv-strip {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px;
  margin-top: 30px; padding-top: 26px; border-top: 1px solid var(--line);
}
.adv-strip .row {
  display: flex; gap: 13px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-radius: 13px;
  padding: 15px 16px; box-shadow: var(--shadow-sm);
}
.adv-strip .no {
  flex: 0 0 auto; width: 26px; height: 26px; border-radius: 8px;
  background: var(--blue-50); color: var(--blue-700);
  display: grid; place-items: center; font-size: 12.5px; font-weight: 800;
}
.adv-strip .txt { min-width: 0; }
.adv-strip .t { font-size: 15px; font-weight: 800; color: var(--ink); margin: 0 0 4px; line-height: 1.45; }
.adv-strip .d { font-size: 13.8px; color: var(--muted); line-height: 1.68; margin: 0; }

/* 企澜出海/获客区块标题行 */
.flagship-head { margin-bottom: 26px; }
.flagship-head .lead-in {
  font-size: 13px; font-weight: 800; letter-spacing: .1em; color: var(--blue-700);
  margin: 0 0 8px; text-transform: uppercase;
}
.flagship-head h3 { margin: 0; font-size: 19px; color: var(--ink); }

@media (max-width: 700px) {
  .adv-strip { grid-template-columns: 1fr; gap: 12px; }
}
@media (max-width: 680px) {
  .adv-strip { margin-top: 24px; padding-top: 20px; }
  .adv-strip .row { padding: 14px 14px; }
  .adv-strip .t { font-size: 14.5px; }
  .adv-strip .d { font-size: 13.8px; }
  .flagship-head h3 { font-size: 17.5px; }
}

/* ===========================================================
   首页起始区 + PC 端专项优化
   =========================================================== */

/* 首页首个区块：紧接导航，不放大段留白 */
.section--lead { padding-top: 46px; }

/* 区块级主标题（原 hero 标题降级为区块 h1） */
.page-h1 {
  font-size: 33px; line-height: 1.32; font-weight: 850; letter-spacing: -.4px;
  margin: 0 0 10px; color: var(--ink);
}
.page-h1 + .svc-sub { margin-top: 0; }

@media (max-width: 940px) {
  .page-h1 { font-size: 27px; }
  .section--lead { padding-top: 34px; }
}
@media (max-width: 680px) {
  .page-h1 { font-size: 22.5px; letter-spacing: -.2px; }
  .section--lead { padding-top: 26px; }
}

/* ---------- PC 端：版心与留白 ---------- */
@media (min-width: 1200px) {
  :root { --maxw: 1240px; }
  .section { padding: 88px 0; }
  .section--lead { padding-top: 56px; }
  .flagship { padding: 70px 0; }
  .flagship .svc-detail { gap: 40px; }
  .adv-strip { gap: 16px; margin-top: 34px; padding-top: 30px; }
  .adv-strip .row { padding: 18px 20px; }
  .adv-strip .t { font-size: 15.5px; }
  .adv-strip .d { font-size: 14.2px; }
}

/* 大屏（≥1600）：版心到此为止，不再随屏幕继续加宽，避免长文本被拉得过长 */
@media (min-width: 1600px) {
  :root { --maxw: 1280px; }
  .flagship .svc-detail { gap: 52px; }
  .page-h1 { font-size: 34px; }
}

/* 超宽屏（≥1920）：版心收回 1240，把余量变成两侧留白，而不是拉长行宽 */
@media (min-width: 1920px) {
  :root { --maxw: 1240px; }
}

/* ---------- 长文本限宽：避免一行 70-80 字 ---------- */
.timeline { max-width: 900px; }
.timeline li .ev { max-width: 52em; }
.values-list { max-width: 900px; }
.section__head { max-width: 860px; }
.section__head + .grid,
.section__head + .grid-2,
.section__head + .grid-3,
.section__head + .grid-4,
.section__head + .cap-grid,
.section__head + .scene-grid { max-width: none; }
.scene-card p { max-width: none; }

/* 全宽卡片里的长段落统一压到舒适行宽（em 按中文字宽计） */
.flagship .svc-detail > div:first-child > p,
.card > p,
.case-link__body p { max-width: 52em; }

/* ===========================================================
   首页重点业务：仅保留优势清单的极简结构
   =========================================================== */

.flagship-top { margin-bottom: 34px; }
.flagship-top .svc-sub {
  color: var(--blue-700); font-weight: 600; font-size: 16.5px;
  margin: 0 0 20px; line-height: 1.6;
}
.flagship-top .btn-row { margin-top: 0; }

/* 二级区块标题（重点业务 02） */
.page-h2 {
  font-size: 30px; line-height: 1.34; font-weight: 850; letter-spacing: -.35px;
  margin: 0 0 8px; color: var(--ink);
}

/* 六条优势：桌面三列，避免卡片被拉得过宽 */
.adv-strip--3 { grid-template-columns: repeat(3, 1fr); }

/* 优势区不再需要顶部大间距（上层已由 .flagship-top 提供） */
.flagship .adv-strip { margin-top: 0; padding-top: 30px; }

@media (max-width: 1180px) {
  .adv-strip--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .adv-strip--3 { grid-template-columns: 1fr; }
}
@media (max-width: 940px) {
  .page-h2 { font-size: 24px; }
  .flagship-top { margin-bottom: 28px; }
  .flagship-top .svc-sub { font-size: 15.5px; margin-bottom: 16px; }
}
@media (max-width: 680px) {
  .page-h2 { font-size: 21px; letter-spacing: -.15px; }
  .flagship-top { margin-bottom: 24px; }
  .flagship-top .svc-sub { font-size: 15px; }
  .flagship .adv-strip { padding-top: 24px; }
}

/* ===========================================================
   企澜出海品牌锁定区（企澜出海 · 全链通达）
   =========================================================== */
.ql-lockup {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin: 0 0 12px;
}
.ql-lockup .ql-name {
  font-size: 27px; font-weight: 900; letter-spacing: .5px; color: var(--navy, #0b2f52);
  line-height: 1.2;
}
.ql-lockup .ql-dot { font-size: 20px; color: #94a3b8; font-weight: 700; }
.ql-lockup .ql-slogan {
  display: inline-flex; align-items: center;
  font-size: 19px; font-weight: 800; letter-spacing: 3.5px;
  color: #fff; padding: 8px 17px 8px 21px; border-radius: 10px;
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 55%, #06b6d4 100%);
  box-shadow: 0 8px 20px rgba(37, 99, 235, .28);
  white-space: nowrap;
}
.ql-meta {
  display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: 13px; color: var(--muted);
  margin: 0 0 18px;
}
.ql-meta .tagline {
  background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe;
  border-radius: 999px; padding: 3px 11px; font-weight: 700; font-size: 12.5px;
}
@media (max-width: 680px) {
  .ql-lockup { gap: 9px; margin-bottom: 10px; }
  .ql-lockup .ql-name { font-size: 22px; }
  .ql-lockup .ql-dot { font-size: 17px; }
  .ql-lockup .ql-slogan { font-size: 15px; letter-spacing: 2px; padding: 6px 13px 6px 15px; }
  .ql-meta { margin-bottom: 14px; }
}

/* ===========================================================
   落地案例总览页
   =========================================================== */
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.case-card-lg {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.case-card-lg:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--blue-200); }
.case-card-lg .hd {
  padding: 24px 26px 20px; color: #fff; position: relative; overflow: hidden;
}
.case-card-lg .hd::after {
  content: ""; position: absolute; right: -40px; top: -40px;
  width: 150px; height: 150px; border-radius: 50%;
  background: rgba(255, 255, 255, .1);
}
.case-card-lg.v1 .hd { background: linear-gradient(135deg, #1e3a8a, #2563eb); }
.case-card-lg.v2 .hd { background: linear-gradient(135deg, #0e7490, #06b6d4); }
.case-card-lg .hd .kind {
  font-size: 12px; letter-spacing: .1em; font-weight: 700;
  color: rgba(255, 255, 255, .82); margin-bottom: 8px; display: block;
}
.case-card-lg .hd h2 { margin: 0; font-size: 23px; line-height: 1.3; color: #fff; }
.case-card-lg .hd .sub { margin: 8px 0 0; font-size: 14.5px; color: rgba(255, 255, 255, .9); }
.case-card-lg .bd { padding: 22px 26px 24px; flex: 1; display: flex; flex-direction: column; }
.case-card-lg .bd p { margin: 0 0 16px; color: var(--ink-2); font-size: 15.2px; line-height: 1.78; }
.case-card-lg .bd ul { margin: 0 0 20px; padding-left: 0; list-style: none; display: grid; gap: 9px; }
.case-card-lg .bd li {
  position: relative; padding-left: 22px; font-size: 14.6px; color: var(--muted); line-height: 1.65;
}
.case-card-lg .bd li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: #16a34a; font-weight: 800; font-size: 13px;
}
.case-card-lg .bd .go { margin-top: auto; }
@media (max-width: 940px) {
  .case-grid { grid-template-columns: 1fr; gap: 18px; }
  .case-card-lg .hd { padding: 20px 20px 17px; }
  .case-card-lg .hd h2 { font-size: 20px; }
  .case-card-lg .bd { padding: 18px 20px 20px; }
}

/* 页面底部口径说明 */
.page-note {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
  font-size: 13.5px;
  line-height: 1.8;
  color: #7b8a99;
}
@media (max-width: 680px) {
  .page-note { font-size: 13px; text-align: left; }
}

/* 小屏标题降级：34px 在 390 宽下会把「支撑上述业务的底层能力」的「力」挤成孤字 */
@media (max-width: 940px) {
  .section__title { font-size: 29px; }
}
@media (max-width: 680px) {
  .section__title { font-size: 25px; line-height: 1.34; text-wrap: balance; }
}