/* ════════════════════════════════════════════════════════════
   szr-components.css
   SYZ Rod Ends — Landing Page 全局组件样式库 v1
   适用：Classic Editor + Custom HTML 嵌入的 Landing Page
   字体已由 style.css @font-face 全局加载，此处无需 @import
   ════════════════════════════════════════════════════════════ */

/* ────────────────────────────────────────────
   0. Design Tokens（与 style.css :root 同步，szr- 前缀防冲突）
──────────────────────────────────────────── */
:root {
  --szr-slate:      #1c2b3a;
  --szr-slate-mid:  #2d4257;
  --szr-slate-soft: #3d5166;
  --szr-steel:      #1a6fa8;
  --szr-steel-lt:   #e8f2f9;
  --szr-red:        #c0392b;
  --szr-red-dark:   #9b2d23;
  --szr-ink:        #2d3e50;
  --szr-mid:        #607080;
  --szr-line:       #d0dce8;
  --szr-bg-alt:     #f4f7fa;
  --szr-white:      #ffffff;
  --szr-footer-bg:  #111a24;
  --szr-f-head:     'Barlow Condensed', system-ui, sans-serif;
  --szr-f-body:     'Inter', system-ui, sans-serif;
  --szr-max-w:      1380px;
  --szr-pad-x:      40px;
  --szr-r:          6px;
  --szr-ease:       cubic-bezier(.25, .46, .45, .94);
}

/* ────────────────────────────────────────────
   1. 布局基础
──────────────────────────────────────────── */
.szr-wrap {
  max-width: var(--szr-max-w);
  margin: 0 auto;
  padding: 0 var(--szr-pad-x);
}

.szr-section {
  padding: 80px 0;
}

.szr-section--alt {
  background: var(--szr-bg-alt);
}

.szr-section--dark {
  background: var(--szr-slate);
  position: relative;
  overflow: hidden;
}

.szr-section--grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.szr-section--slate-mid {
  background: var(--szr-slate-mid);
}

.szr-section--slim {
  padding: 48px 0;
}

.szr-section--flush {
  padding: 0;
}

.szr-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.szr-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.szr-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.szr-grid-content-aside {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 52px;
  align-items: start;
}

.szr-center {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

/* ────────────────────────────────────────────
   2. 排版工具类
──────────────────────────────────────────── */
.szr-eyebrow {
  font-family: var(--szr-f-head);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--szr-steel);
  margin-bottom: 10px;
  display: block;
}

.szr-eyebrow--light {
  color: var(--szr-steel);
  opacity: .9;
}

.szr-section-title {
  font-family: var(--szr-f-head);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--szr-slate);
  line-height: 1.1;
  letter-spacing: .01em;
  margin-bottom: 16px;
}

.szr-section-title--light {
  color: #fff;
}

.szr-display-title {
  font-family: var(--szr-f-head);
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.08;
  letter-spacing: .01em;
  margin-bottom: 16px;
}

.szr-subtitle {
  font-size: 1rem;
  color: var(--szr-mid);
  line-height: 1.7;
  margin-bottom: 20px;
}

.szr-subtitle--light {
  color: rgba(255,255,255,.65);
}

/* ────────────────────────────────────────────
   3. 按钮
──────────────────────────────────────────── */
.szr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--szr-f-body);
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: 13px 28px;
  border-radius: var(--szr-r);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all .2s var(--szr-ease);
  white-space: nowrap;
  line-height: 1;
}

.szr-btn--primary {
  background: var(--szr-red);
  color: #fff;
  border-color: var(--szr-red);
}
.szr-btn--primary:hover {
  background: var(--szr-red-dark);
  border-color: var(--szr-red-dark);
  color: #fff;
  text-decoration: none;
}

.szr-btn--ghost {
  background: transparent;
  color: var(--szr-ink);
  border-color: var(--szr-line);
}
.szr-btn--ghost:hover {
  border-color: var(--szr-steel);
  color: var(--szr-steel);
  text-decoration: none;
}

.szr-btn--ghost-light {
  background: rgba(255,255,255,.1);
  color: #fff;
  border-color: rgba(255,255,255,.25);
}
.szr-btn--ghost-light:hover {
  background: rgba(255,255,255,.18);
  color: #fff;
  text-decoration: none;
}

.szr-btn--steel {
  background: var(--szr-steel);
  color: #fff;
  border-color: var(--szr-steel);
}
.szr-btn--steel:hover {
  background: #155d90;
  border-color: #155d90;
  color: #fff;
  text-decoration: none;
}

.szr-btn--sm {
  font-size: .8rem;
  padding: 9px 18px;
}

.szr-btn-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ────────────────────────────────────────────
   4. 面包屑
──────────────────────────────────────────── */
.szr-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  color: rgba(255,255,255,.5);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.szr-breadcrumb a {
  color: rgba(255,255,255,.5);
  text-decoration: none;
  transition: color .2s;
}
.szr-breadcrumb a:hover { color: rgba(255,255,255,.85); }
.szr-breadcrumb__sep { opacity: .4; }
.szr-breadcrumb__current { color: rgba(255,255,255,.8); }

/* ────────────────────────────────────────────
   5. Hero 区块
──────────────────────────────────────────── */
.szr-hero {
  background: var(--szr-slate);
  padding: 80px 0 72px;
  position: relative;
  overflow: hidden;
}

.szr-hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.szr-hero__grid--60-40 {
  grid-template-columns: 3fr 2fr;
}

.szr-hero__spec-strip {
  display: flex;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 40px;
}

.szr-hero__spec-item {
  flex: 1;
  padding: 20px 24px;
  border-right: 1px solid rgba(255,255,255,.1);
}
.szr-hero__spec-item:last-child { border-right: none; }

.szr-hero__spec-val {
  font-family: var(--szr-f-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: 4px;
}

.szr-hero__spec-lbl {
  font-size: .75rem;
  color: rgba(255,255,255,.45);
  letter-spacing: .04em;
}

.szr-hero__img {
  background: var(--szr-slate-mid);
  border-radius: var(--szr-r);
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.2);
  font-size: .85rem;
  position: relative;
  overflow: hidden;
}

/* ────────────────────────────────────────────
   6. 统计数字横条
──────────────────────────────────────────── */
.szr-stats {
  background: var(--szr-slate-mid);
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
  padding: 0;
}

.szr-stats__inner {
  display: flex;
}

.szr-stats__item {
  flex: 1;
  padding: 28px 32px;
  border-right: 1px solid rgba(255,255,255,.08);
  text-align: center;
}
.szr-stats__item:last-child { border-right: none; }

.szr-stats__val {
  font-family: var(--szr-f-head);
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}

.szr-stats__val em {
  color: var(--szr-steel);
  font-style: normal;
}

.szr-stats__lbl {
  font-size: .82rem;
  color: rgba(255,255,255,.5);
  line-height: 1.4;
}

/* ────────────────────────────────────────────
   7. Trust / 认证横条
──────────────────────────────────────────── */
.szr-trust {
  background: var(--szr-slate-mid);
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
}

.szr-trust__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.szr-trust__item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--szr-f-head);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: rgba(255,255,255,.7);
}

.szr-trust__item svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--szr-steel);
  stroke-width: 2;
  flex-shrink: 0;
}

/* ────────────────────────────────────────────
   8. 特性/功能卡
──────────────────────────────────────────── */
.szr-card {
  border: 1px solid var(--szr-line);
  border-radius: var(--szr-r);
  background: var(--szr-white);
  padding: 28px;
  transition: border-color .2s, box-shadow .25s, transform .25s var(--szr-ease);
}

.szr-card:hover {
  border-color: var(--szr-steel);
  box-shadow: 0 8px 32px rgba(26,111,168,.12);
  transform: translateY(-3px);
}

.szr-card--numbered {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  align-items: start;
}

.szr-card__num {
  font-family: var(--szr-f-head);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--szr-steel);
  line-height: 1;
  opacity: .35;
}

.szr-card__title {
  font-family: var(--szr-f-head);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--szr-slate);
  margin-bottom: 8px;
}

.szr-card__text {
  font-size: .875rem;
  color: var(--szr-mid);
  line-height: 1.7;
}

.szr-card__icon {
  width: 48px;
  height: 48px;
  background: var(--szr-steel-lt);
  border-radius: var(--szr-r);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  flex-shrink: 0;
}

.szr-card__icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: var(--szr-steel);
  stroke-width: 2;
  stroke-linecap: round;
}

.szr-card--dark {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.12);
}
.szr-card--dark:hover {
  border-color: rgba(255,255,255,.25);
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
}
.szr-card--dark .szr-card__title { color: #fff; }
.szr-card--dark .szr-card__text  { color: rgba(255,255,255,.6); }

/* ────────────────────────────────────────────
   9. 产品卡
──────────────────────────────────────────── */
.szr-product-card {
  border: 1px solid var(--szr-line);
  border-radius: var(--szr-r);
  background: var(--szr-white);
  overflow: hidden;
  transition: border-color .2s, box-shadow .25s, transform .25s var(--szr-ease);
}

.szr-product-card:hover {
  border-color: var(--szr-steel);
  box-shadow: 0 8px 32px rgba(26,111,168,.12);
  transform: translateY(-3px);
}

.szr-product-card__img {
  background: var(--szr-bg-alt);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.szr-product-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 3px;
}

.szr-product-card__badge--red   { background: var(--szr-red); color: #fff; }
.szr-product-card__badge--steel { background: var(--szr-steel); color: #fff; }
.szr-product-card__badge--dark  { background: var(--szr-slate-mid); color: #fff; }

.szr-product-card__body { padding: 20px; }

.szr-product-card__series {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--szr-steel);
  margin-bottom: 4px;
}

.szr-product-card__name {
  font-family: var(--szr-f-head);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--szr-slate);
  line-height: 1.2;
  margin-bottom: 12px;
}

.szr-spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .8rem;
  padding: 5px 0;
  border-bottom: 1px solid var(--szr-bg-alt);
}
.szr-spec-row:last-child { border-bottom: none; }
.szr-spec-row__key { color: var(--szr-mid); }
.szr-spec-row__val { font-weight: 600; color: var(--szr-ink); }
.szr-spec-row__val--highlight { color: var(--szr-steel); }

.szr-product-card__footer {
  padding: 14px 20px 18px;
  display: flex;
  gap: 8px;
  border-top: 1px solid var(--szr-bg-alt);
}
.szr-product-card__footer .szr-btn {
  flex: 1;
  padding: 9px 12px;
  font-size: .8rem;
}

/* ────────────────────────────────────────────
   10. 标签 / Chip
──────────────────────────────────────────── */
.szr-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.szr-tag {
  font-size: .72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 3px;
  background: var(--szr-bg-alt);
  color: var(--szr-mid);
  border: 1px solid var(--szr-line);
  text-decoration: none;
  transition: all .2s;
}

.szr-tag:hover,
.szr-tag--active {
  border-color: var(--szr-steel);
  color: var(--szr-steel);
  background: var(--szr-steel-lt);
}

.szr-tag--light {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.2);
  color: rgba(255,255,255,.75);
}

/* ────────────────────────────────────────────
   11. FAQ 手风琴
──────────────────────────────────────────── */
.szr-faq {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.szr-faq__item {
  border-bottom: 1px solid var(--szr-line);
}

.szr-faq__item:first-child {
  border-top: 1px solid var(--szr-line);
}

.szr-faq__trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  gap: 16px;
}

.szr-faq__question {
  font-family: var(--szr-f-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--szr-slate);
  line-height: 1.3;
}

.szr-faq__icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border: 1.5px solid var(--szr-line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, border-color .2s;
}

.szr-faq__icon svg {
  width: 12px;
  height: 12px;
  fill: none;
  stroke: var(--szr-mid);
  stroke-width: 2.5;
  transition: transform .3s var(--szr-ease);
}

.szr-faq__item.open .szr-faq__icon {
  background: var(--szr-steel);
  border-color: var(--szr-steel);
}
.szr-faq__item.open .szr-faq__icon svg {
  stroke: #fff;
  transform: rotate(45deg);
}

.szr-faq__answer {
  display: none;
  padding: 0 0 20px;
  font-size: .9rem;
  color: var(--szr-mid);
  line-height: 1.75;
}

.szr-faq__item.open .szr-faq__answer {
  display: block;
}

/* ────────────────────────────────────────────
   12. 询盘表单区块
──────────────────────────────────────────── */
.szr-inquiry {
  background: var(--szr-slate);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.szr-inquiry__inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 var(--szr-pad-x);
  text-align: center;
}

.szr-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 32px;
  text-align: left;
}

.szr-form__full {
  grid-column: 1 / -1;
}

.szr-form__input,
.szr-form__select,
.szr-form__textarea {
  width: 100%;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 4px;
  padding: 12px 16px;
  font-family: var(--szr-f-body);
  font-size: .875rem;
  color: #fff;
  outline: none;
  transition: border-color .2s;
  appearance: none;
}

.szr-form__input::placeholder,
.szr-form__textarea::placeholder {
  color: rgba(255,255,255,.3);
}

.szr-form__input:focus,
.szr-form__select:focus,
.szr-form__textarea:focus {
  border-color: var(--szr-steel);
}

.szr-form__textarea {
  resize: vertical;
  min-height: 100px;
}

.szr-form__select option {
  background: var(--szr-slate-mid);
  color: #fff;
}

.szr-form__submit {
  grid-column: 1 / -1;
  text-align: center;
  margin-top: 6px;
}

.szr-form__note {
  font-size: .75rem;
  color: rgba(255,255,255,.3);
  margin-top: 12px;
  text-align: center;
}

/* ────────────────────────────────────────────
   13. CTA Banner
──────────────────────────────────────────── */
.szr-cta {
  background: var(--szr-slate);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.szr-cta--steel { background: var(--szr-steel); }
.szr-cta--red   { background: var(--szr-red); }

.szr-cta__content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

/* ────────────────────────────────────────────
   14. 评价卡 / Testimonial + 跑马灯
──────────────────────────────────────────── */
.szr-testimonial {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--szr-r);
  padding: 28px;
  min-width: 320px;
}

.szr-testimonial__stars {
  color: #f5a623;
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.szr-testimonial__text {
  font-size: .9rem;
  color: rgba(255,255,255,.75);
  line-height: 1.7;
  margin-bottom: 18px;
}

.szr-testimonial__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.szr-testimonial__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--szr-slate-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--szr-f-head);
  font-size: .85rem;
  font-weight: 700;
  color: rgba(255,255,255,.7);
  flex-shrink: 0;
}

.szr-testimonial__name {
  font-size: .85rem;
  font-weight: 600;
  color: rgba(255,255,255,.9);
}

.szr-testimonial__co {
  font-size: .75rem;
  color: rgba(255,255,255,.45);
}

.szr-marquee {
  overflow: hidden;
  display: flex;
  gap: 20px;
}

.szr-marquee__track {
  display: flex;
  gap: 20px;
  animation: szrMarquee 40s linear infinite;
  flex-shrink: 0;
}

.szr-marquee__track:hover { animation-play-state: paused; }

@keyframes szrMarquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ────────────────────────────────────────────
   15. 滚动入场动效
──────────────────────────────────────────── */
.szr-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .55s var(--szr-ease), transform .55s var(--szr-ease);
}
.szr-reveal.in { opacity: 1; transform: none; }
.szr-reveal--d1 { transition-delay: .08s; }
.szr-reveal--d2 { transition-delay: .16s; }
.szr-reveal--d3 { transition-delay: .24s; }

/* ────────────────────────────────────────────
   16. 通用工具类
──────────────────────────────────────────── */
.szr-rule {
  width: 48px;
  height: 3px;
  background: var(--szr-steel);
  border: none;
  margin: 0;
}

.szr-rule--center {
  margin: 0 auto;
}

.szr-rule--light {
  background: rgba(255,255,255,.3);
}

.szr-divider {
  border: none;
  border-top: 1px solid var(--szr-line);
  margin: 0;
}

.szr-timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.szr-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--szr-line);
  transform: translateX(-50%);
}

.szr-timeline--light::before {
  background: rgba(255,255,255,.14);
}

.szr-timeline__item {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  align-items: start;
  gap: 0 24px;
  margin-bottom: 52px;
}

.szr-timeline__item:last-child { margin-bottom: 0; }

/* Odd items: content left, dot center, empty right */
.szr-timeline__item:nth-child(odd) .szr-timeline__content { grid-column: 1; text-align: right; }
.szr-timeline__item:nth-child(odd) .szr-timeline__dot       { grid-column: 2; }
.szr-timeline__item:nth-child(odd) .szr-timeline__empty     { grid-column: 3; }

/* Even items: empty left, dot center, content right */
.szr-timeline__item:nth-child(even) .szr-timeline__empty    { grid-column: 1; }
.szr-timeline__item:nth-child(even) .szr-timeline__dot      { grid-column: 2; }
.szr-timeline__item:nth-child(even) .szr-timeline__content  { grid-column: 3; text-align: left; }

.szr-timeline__dot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.szr-timeline__dot-marker {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--szr-steel);
  border: 3px solid var(--szr-white);
  box-shadow: 0 0 0 2px var(--szr-steel);
  flex-shrink: 0;
}

.szr-timeline--light .szr-timeline__dot-marker {
  background: var(--szr-steel);
  border-color: var(--szr-slate);
  box-shadow: 0 0 0 2px var(--szr-steel);
}

.szr-timeline__year {
  font-family: var(--szr-f-head);
  font-size: .75rem;
  font-weight: 700;
  color: var(--szr-steel);
  text-transform: uppercase;
  letter-spacing: .1em;
  white-space: nowrap;
}

.szr-timeline__content {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.szr-timeline__title {
  font-family: var(--szr-f-head);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--szr-slate);
}

.szr-timeline--light .szr-timeline__title {
  color: #fff;
}

.szr-timeline__text {
  font-size: .85rem;
  color: var(--szr-mid);
  line-height: 1.65;
}

.szr-timeline--light .szr-timeline__text {
  color: rgba(255,255,255,.55);
}

.szr-divider--dark {
  border-color: rgba(255,255,255,.1);
}

.szr-section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
  gap: 20px;
}

.szr-view-all {
  font-size: .875rem;
  font-weight: 600;
  color: var(--szr-steel);
  white-space: nowrap;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: gap .2s;
}
.szr-view-all:hover { text-decoration: underline; gap: 9px; }

.szr-ph {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  color: var(--szr-mid);
  background: var(--szr-bg-alt);
}
.szr-ph--dark {
  background: var(--szr-slate-mid);
  color: rgba(255,255,255,.2);
}

.szr-col-divider {
  width: 1px;
  background: var(--szr-line);
  align-self: stretch;
}
.szr-col-divider--dark {
  background: rgba(255,255,255,.12);
}

/* ────────────────────────────────────────────
   17. 响应式断点
──────────────────────────────────────────── */
@media (max-width: 1100px) {
  .szr-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .szr-grid-content-aside { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  :root { --szr-pad-x: 20px; }
  .szr-section { padding: 56px 0; }
  .szr-section--slim { padding: 32px 0; }
  .szr-grid-2,
  .szr-grid-3,
  .szr-grid-4 { grid-template-columns: 1fr; }
  .szr-hero__grid,
  .szr-hero__grid--60-40 { grid-template-columns: 1fr; gap: 32px; }
  .szr-hero__img { min-height: 240px; }
  .szr-stats__inner { flex-direction: column; }
  .szr-stats__item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.08); }
  .szr-stats__item:last-child { border-bottom: none; }
  .szr-form { grid-template-columns: 1fr; }
  .szr-form__full { grid-column: 1; }
  .szr-timeline::before { left: 24px; transform: none; }
  .szr-timeline__item {
    grid-template-columns: 60px 1fr;
    gap: 0 14px;
  }
  .szr-timeline__item:nth-child(odd) .szr-timeline__content,
  .szr-timeline__item:nth-child(even) .szr-timeline__content {
    grid-column: 2;
    text-align: left;
  }
  .szr-timeline__item:nth-child(odd) .szr-timeline__dot,
  .szr-timeline__item:nth-child(even) .szr-timeline__dot {
    grid-column: 1;
  }
  .szr-timeline__empty { display: none !important; }
}