/* ==========================================================================
   solution-page.css — 解决方案页专用样式（叙事式大图版式）
   由 solution-*.html 与 surgical-broadcast-service.html 共用，不影响其他页面。
   所有类名以 dor- 前缀隔离（沿用数字化手术室页首版的前缀，勿改动，改动需全量替换）；
   颜色一律走 style.css 的主题变量，不要写死色值，否则 html[data-theme] 主题会破。
   ========================================================================== */

.dor {
  --dor-ink: var(--color-ink);
  --dor-muted: var(--color-muted);
  --dor-line: var(--color-line);
  --dor-accent: var(--color-blue);
  --dor-dark: #101A16;
  --dor-dark-2: #16231E;
  --dor-dark-line: rgba(255, 255, 255, .14);
  --dor-dark-muted: rgba(255, 255, 255, .66);
  --dor-gutter: clamp(24px, 4vw, 48px);

  /* 间距模数：全站纵向间距只允许取这八档，不再各处写一次性的 clamp。
     s5 = 56px 是主节奏（标题到内容、块与块之间），其余按 1.4 倍左右递进。 */
  --s1: clamp(12px, 1.2vw, 16px);
  --s2: clamp(18px, 1.8vw, 24px);
  --s3: clamp(24px, 2.4vw, 32px);
  --s4: clamp(32px, 3.2vw, 44px);
  --s5: clamp(40px, 4.2vw, 56px);
  --s6: clamp(52px, 6vw, 84px);
  --s7: clamp(64px, 7.4vw, 104px);
  --s8: clamp(84px, 11vw, 152px);

  --dor-block: var(--s7);
}

.dor-wrap {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
}

/* 窄栏：外框与 .dor-wrap 同宽同左边，只把内部文字宽度收窄，
   这样整页只有一条左边线，不会出现居中块与左对齐块混排的错位。 */
.dor-wrap-narrow {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
}
/* 概述段左对齐到内容框左边线，与 hero 文案、章节序号、H2 共用同一条左边线。
   居中会让它比上下所有模块都往里缩一段，整页出现第三条左边界。 */
.dor-wrap-narrow.dor-lead > p {
  max-width: var(--dor-read);
  margin-inline: 0;
}
.dor-wrap-narrow > .dor-faq {
  max-width: var(--dor-read);
  margin-inline: 0;
}
.dor-wrap-narrow > .dor-head { max-width: var(--dor-head-w); }

/* --------------------------------------------------------------- Hero --- */

.dor-hero {
  position: relative;
  isolation: isolate;
  background: var(--dor-dark);
  color: #fff;
  overflow: hidden;
}

.dor-hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.dor-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% 46%;
}

.dor-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(96deg, rgba(11, 20, 16, .95) 0%, rgba(11, 20, 16, .86) 34%, rgba(11, 20, 16, .42) 66%, rgba(11, 20, 16, .30) 100%),
    linear-gradient(180deg, rgba(11, 20, 16, .48) 0%, rgba(11, 20, 16, 0) 32%);
}

.dor-hero-inner {
  padding: var(--s8) 0 var(--s5);
  max-width: 720px;
}

.dor-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 var(--s2);
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .72);
}

.dor-kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: rgba(255, 255, 255, .5);
}

.dor-hero h1 {
  margin: 0 0 24px;
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -.005em;
  color: #fff;
}

.dor-hero-sub {
  margin: 0 0 var(--s4);
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.9;
  color: rgba(255, 255, 255, .82);
  max-width: 34em;
}

.dor-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* Buttons (page-local so light/dark placement is predictable) */

.dor-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.dor-btn-solid {
  background: var(--dor-accent);
  border-color: var(--dor-accent);
  color: #fff;
}

.dor-btn-solid:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #fff;
}

.dor-btn-ghost-light {
  border-color: rgba(255, 255, 255, .42);
  color: #fff;
}

.dor-btn-ghost-light:hover {
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .7);
}

.dor-btn-ghost {
  border-color: var(--dor-line);
  color: var(--dor-ink);
}

.dor-btn-ghost:hover {
  border-color: var(--dor-accent);
  color: var(--dor-accent);
}

/* Hero fact strip */

.dor-hero-facts {
  border-top: 1px solid rgba(255, 255, 255, .18);
  background: rgba(11, 20, 16, .55);
  backdrop-filter: blur(6px);
}

.dor-hero-facts dl {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
}

.dor-hero-facts > .dor-wrap > dl > div {
  padding: 26px 28px 28px 0;
  border-left: 1px solid rgba(255, 255, 255, .16);
  padding-left: 28px;
}

.dor-hero-facts > .dor-wrap > dl > div:first-child {
  border-left: 0;
  padding-left: 0;
}

.dor-hero-facts dt {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .6);
}

.dor-hero-facts dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: #fff;
  font-weight: 500;
}

/* ------------------------------------------------------- In-page nav --- */

.dor-nav {
  position: sticky;
  top: 72px;
  z-index: 12;
  background: rgba(255, 255, 255, .93);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--dor-line);
}

.dor-nav-inner {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.dor-nav-inner::-webkit-scrollbar { display: none; }

.dor-nav a {
  flex: 0 0 auto;
  padding: 16px 18px;
  font-size: 14px;
  color: var(--dor-muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color .2s ease, border-color .2s ease;
}

/* 首项去掉左内边距：否则锚点导航的第一个标签比页面其余模块右移 18px，
   而它正好压在章节序号上方，错位最显眼。 */
.dor-nav-inner > a:first-child { padding-left: 0; }

.dor-nav a:hover,
.dor-nav a.is-active {
  color: var(--dor-ink);
  border-bottom-color: var(--dor-accent);
}

.dor-nav a > span {
  color: var(--dor-accent);
  font-variant-numeric: tabular-nums;
  margin-right: 8px;
  font-weight: 600;
}

/* ---------------------------------------------------------- Sections --- */

.dor-block {
  padding: var(--dor-block) 0;
}

.dor-block-tight {
  padding: var(--s6) 0;
}

.dor-block-soft {
  background: var(--color-surface-soft);
}

.dor-block-dark {
  background: var(--dor-dark);
  color: #fff;
}

.dor-crumb {
  margin: 0;
  padding: var(--s2) 0 0;
  font-size: 13px;
  color: var(--dor-muted);
}

.dor-crumb a {
  color: var(--dor-muted);
  text-decoration: none;
}

.dor-crumb a:hover { color: var(--dor-accent); }

/* 概述段：首段放大，中间段常规，末段收束为浅色小字 */

/* 概述段只有一个字号。页面概述是一个主题的连续陈述，不再分提要、正文与备注三层。 */
.dor-lead p {
  margin: 0 0 var(--s2);
  font-size: clamp(16px, 1.34vw, 18px);
  line-height: 2.0;
  letter-spacing: .005em;
  color: var(--dor-ink);
}

.dor-lead p:last-child { margin-bottom: 0; }

/* Chapter heading */

.dor-head {
  max-width: var(--dor-head-w);
  margin: 0 0 var(--s5);
}

.dor-num {
  display: block;
  margin: 0 0 var(--s1);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--dor-accent);
  font-variant-numeric: tabular-nums;
}

.dor-block-dark .dor-num { color: #7FD3A2; }

.dor-head h2 {
  margin: 0 0 var(--s2);
  font-size: clamp(25px, 2.9vw, 38px);
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -.003em;
  color: var(--dor-ink);
}

.dor-block-dark .dor-head h2 { color: #fff; }

.dor-head p {
  margin: 0;
  font-size: clamp(15px, 1.28vw, 17px);
  line-height: 2;
  color: var(--dor-muted);
}

.dor-lead p,
.dor-head p,
.dor-col-read p,
.dor-col-read li,
.dor-col-wide p,
.dor-col-wide li,
.dor-faq p,
.dor-cta p,
.dor-card p,
.dor-step p,
.dor-shot-legend li,
.dor-hero-sub {
  text-wrap: pretty;
}

.dor-block-dark .dor-head p { color: var(--dor-dark-muted); }

/* ------------------------------------------- Annotated product shots --- */

.dor-shots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s4);
}

.dor-shot {
  margin: 0;
}

.dor-shot-frame {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  background: #0b1410;
  box-shadow: 0 24px 60px rgba(16, 40, 28, .14);
}

.dor-shot-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.dor-pin {
  position: absolute;
  left: var(--x);
  top: var(--y);
  transform: translate(-50%, -50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: var(--dor-accent);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, .55), 0 6px 16px rgba(0, 0, 0, .3);
  font-variant-numeric: tabular-nums;
}

.dor-shot-legend {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  counter-reset: dorleg;
}

.dor-shot-legend li {
  position: relative;
  counter-increment: dorleg;
  padding: 0 0 0 34px;
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--dor-muted);
}

.dor-shot-legend li:last-child { margin-bottom: 0; }

.dor-shot-legend li::before {
  content: counter(dorleg);
  position: absolute;
  left: 0;
  top: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: var(--dor-accent);
  font-variant-numeric: tabular-nums;
}

.dor-shot-legend b {
  color: var(--dor-ink);
  font-weight: 600;
}

/* ----------------------------------------------------- Split feature --- */

.dor-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s6);
  align-items: center;
}

.dor-split-text h3 {
  margin: 0 0 16px;
  font-size: clamp(19px, 1.7vw, 23px);
  line-height: 1.5;
  font-weight: 700;
  color: var(--dor-ink);
}

.dor-block-dark .dor-split-text h3 { color: #fff; }

.dor-split-text p {
  margin: 0 0 var(--s1);
  font-size: clamp(15px, 1.28vw, 17px);
  line-height: 2;
  color: var(--dor-muted);
}

.dor-block-dark .dor-split-text p { color: var(--dor-dark-muted); }

.dor-notes {
  list-style: none;
  margin: 0;
  padding: 0;
}

.dor-notes li {
  position: relative;
  padding: 14px 0 14px 20px;
  border-top: 1px solid var(--dor-line);
  font-size: 15px;
  line-height: 1.85;
  color: var(--dor-muted);
}

.dor-block-dark .dor-notes li {
  border-top-color: var(--dor-dark-line);
  color: var(--dor-dark-muted);
}

.dor-notes li:last-child { border-bottom: 1px solid var(--dor-line); }

.dor-block-dark .dor-notes li:last-child { border-bottom-color: var(--dor-dark-line); }

.dor-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dor-accent);
}

.dor-notes b {
  color: var(--dor-ink);
  font-weight: 600;
}

.dor-block-dark .dor-notes b { color: #fff; }

.dor-ui-figure {
  margin: 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--dor-dark-line);
  box-shadow: 0 28px 70px rgba(0, 0, 0, .38);
  background: #0C120F;
  aspect-ratio: 2 / 1;
  display: grid;
  place-items: center;
}

.dor-ui-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.dor-ui-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s3);
  margin-top: var(--s5);
}

.dor-ui-strip figcaption {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dor-dark-muted);
}

.dor-ui-strip figure { margin: 0; }

/* --------------------------------------------------- Diagram figure --- */

.dor-diagram {
  margin: 0;
  background: #fff;
  border: 1px solid var(--dor-line);
  border-radius: 10px;
  padding: var(--s3);
}

.dor-diagram img {
  display: block;
  width: 100%;
  height: auto;
}

.dor-diagram figcaption {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--dor-line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--dor-muted);
}

/* --------------------------------------------------------- Table ------- */

.dor-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--dor-line);
  border-radius: 10px;
  background: #fff;
}

.dor-table {
  width: 100%;
  min-width: 760px;
  table-layout: fixed;
  border-collapse: collapse;
  font-size: 15px;
}

.dor-table caption {
  caption-side: top;
  text-align: left;
  padding: 20px 24px 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dor-muted);
}

.dor-table th,
.dor-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--dor-line);
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.dor-table thead th {
  background: var(--color-surface-strong);
  color: var(--dor-ink);
  font-weight: 700;
  font-size: 15px;
  border-bottom: 1px solid var(--dor-line);
}

.dor-table col.dor-col-item { width: 34%; }
.dor-table col.dor-col-dev { width: 22%; }

/* 表格单元格默认左对齐（见上面 .dor-table th/td）。只有两类列需要居中：
   ✓ / — 的能力对照表（.dor-table-mark），以及下载按钮列（.dor-table-docs）。
   整句说明文字居中会让每行起点都不一样，很难扫读。 */
.dor-table-mark thead th:not(:first-child),
.dor-table-mark tbody td,
.dor-table-docs thead th:not(:first-child),
.dor-table-docs tbody td:not(:first-child) {
  text-align: center;
}

.dor-table thead th > span {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  font-weight: 500;
  color: var(--dor-muted);
  white-space: nowrap;
}

.dor-table tbody th {
  font-weight: 600;
  color: var(--dor-ink);
}

.dor-table tbody th small {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  font-weight: 400;
  color: var(--dor-muted);
}

.dor-table td {
  color: var(--dor-ink);
}

.dor-table tbody tr:last-child th,
.dor-table tbody tr:last-child td {
  border-bottom: 0;
}

.dor-table .dor-yes {
  color: var(--dor-accent);
  font-weight: 700;
}

.dor-table .dor-no {
  color: #B9C7C0;
}

.dor-table tr.dor-row-foot th,
.dor-table tr.dor-row-foot td {
  background: var(--color-surface-soft);
  font-size: 14px;
  color: var(--dor-muted);
}

.dor-table-note {
  margin: var(--s1) 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--dor-muted);
}

/* ---------------------------------------------------------- Steps ------ */

.dor-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 2px solid var(--dor-line);
}

.dor-step {
  position: relative;
  padding: 34px 32px 8px 0;
}

.dor-step + .dor-step {
  padding-left: 32px;
  border-left: 1px solid var(--dor-line);
}

.dor-step::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--dor-accent);
  box-shadow: 0 0 0 4px var(--color-surface-soft);
}

.dor-step + .dor-step::before { left: 32px; }

.dor-step h3 {
  margin: 0 0 14px;
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.5;
  font-weight: 700;
  color: var(--dor-ink);
}

.dor-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.95;
  color: var(--dor-muted);
}

/* ----------------------------------------------------------- FAQ ------- */

.dor-faq {
  border-top: 1px solid var(--dor-line);
}

.dor-faq details {
  border-bottom: 1px solid var(--dor-line);
}

.dor-faq summary {
  list-style: none;
  cursor: pointer;
  padding: 26px 44px 26px 0;
  position: relative;
  font-size: clamp(16px, 1.4vw, 18px);
  font-weight: 600;
  line-height: 1.7;
  color: var(--dor-ink);
}

.dor-faq summary::-webkit-details-marker { display: none; }

.dor-faq summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 11px;
  height: 11px;
  margin-top: -8px;
  border-right: 2px solid var(--dor-accent);
  border-bottom: 2px solid var(--dor-accent);
  transform: rotate(45deg);
  transition: transform .25s ease;
}

.dor-faq details[open] summary::after {
  transform: rotate(-135deg);
  margin-top: -3px;
}

.dor-faq p {
  margin: 0;
  padding: 0 44px 28px 0;
  font-size: 15px;
  line-height: 2;
  color: var(--dor-muted);
}

/* ------------------------------------------------- 其他解决方案 -------- */

.dor-more {
  border-top: 1px solid var(--dor-line);
  padding-top: 26px;
}

.dor-more-label {
  margin: 0 0 var(--s1);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--dor-accent);
}

.dor-more-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.dor-more-links a {
  display: inline-flex;
  align-items: center;
  padding: 11px 20px;
  border: 1px solid var(--dor-line);
  border-radius: 999px;
  font-size: 15px;
  color: var(--dor-ink);
  text-decoration: none;
  background: #fff;
  transition: border-color .2s ease, color .2s ease;
}

.dor-more-links a:hover {
  border-color: var(--dor-accent);
  color: var(--dor-accent);
}

/* ----------------------------------------------------------- CTA ------- */

.dor-cta {
  background: var(--dor-dark);
  color: #fff;
  padding: var(--s7) 0;
}

.dor-cta h2 {
  margin: 0 0 var(--s2);
  font-size: clamp(24px, 2.7vw, 36px);
  line-height: 1.4;
  font-weight: 700;
  color: #fff;
}

.dor-cta p {
  margin: 0 0 var(--s4);
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 2;
  color: var(--dor-dark-muted);
}

.dor-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 14px;
}

/* ------------------------------------------------------ Responsive ----- */

@media (max-width: 1024px) {
  .dor-hero-facts dl { grid-template-columns: repeat(2, 1fr); }
  .dor-hero-facts > .dor-wrap > dl > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .dor-hero-facts > .dor-wrap > dl > div:nth-child(3),
  .dor-hero-facts > .dor-wrap > dl > div:nth-child(4) { border-top: 1px solid rgba(255,255,255,.16); }
  .dor-split { grid-template-columns: 1fr; }
  .dor-steps { grid-template-columns: 1fr; border-top: 0; }
  .dor-step { padding: 30px 0 0 26px; border-left: 1px solid var(--dor-line); }
  .dor-step + .dor-step { padding-left: 26px; }
  .dor-step::before,
  .dor-step + .dor-step::before { left: -7px; top: 34px; }
}

@media (max-width: 860px) {
  .dor-wrap,
  .dor-wrap-narrow { width: calc(100% - 40px); }
  .dor-shots { grid-template-columns: 1fr; }
  .dor-ui-strip { grid-template-columns: 1fr; }
  .dor-nav { top: 60px; }
  .dor-hero-inner { padding-top: clamp(64px, 14vw, 96px); }
  .dor-hero-media img { object-position: 48% 42%; }
  .dor-hero::before {
    background: linear-gradient(180deg, rgba(11,20,16,.84) 0%, rgba(11,20,16,.66) 52%, rgba(11,20,16,.88) 100%);
  }
}

@media (max-width: 560px) {
  .dor-hero-facts dl { grid-template-columns: 1fr; }
  .dor-hero-facts > .dor-wrap > dl > div {
    border-left: 0;
    padding-left: 0;
    padding-top: 18px;
    padding-bottom: 18px;
    border-top: 1px solid rgba(255,255,255,.16);
  }
  .dor-hero-facts > .dor-wrap > dl > div:first-child { border-top: 0; }
  .dor-pin { width: 22px; height: 22px; font-size: 11px; }
  .dor-hero-actions .dor-btn,
  .dor-cta-actions .dor-btn { flex: 1 1 100%; }
}

/* ================================================ 追加组件（多页共用） ==== */

/* 无实景照片时的纯色首屏 */
.dor-hero-plain {
  background: linear-gradient(160deg, #16241E 0%, #101A16 46%, #0C1512 100%);
}

.dor-hero-plain::before { display: none; }

.dor-hero-plain .dor-hero-inner { max-width: 780px; }

/* 低分辨率旧图作为首屏底纹时柔化，避免糊得刺眼 */
.dor-hero-soft .dor-hero-media img {
  filter: blur(3px) saturate(.86);
  transform: scale(1.08);
}

/* 两栏要点列表 */
.dor-notes-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: var(--s5);
}

/* 首页核心优势：五项能力保持两栏节奏，末项通栏收束 */
.home-advantages li:last-child {
  grid-column: 1 / -1;
}

.home-advantages h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.5;
  font-weight: 700;
  color: #fff;
}

.home-advantages p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--dor-dark-muted);
}

.home-advantages strong {
  display: block;
  margin-bottom: 3px;
  font-weight: 600;
  color: rgba(255, 255, 255, .94);
}

.home-advantages li:last-child p {
  max-width: 860px;
}

/* 三栏清单块 */
.dor-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s4);
}

.dor-col h3 {
  margin: 0 0 16px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--dor-accent);
  font-size: 16px;
  font-weight: 700;
  color: var(--dor-ink);
}

.dor-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.dor-col li {
  position: relative;
  padding: 0 0 0 18px;
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--dor-muted);
}

.dor-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--dor-line);
}

/* 多张示意图纵向排列（架构图字号小，并排会看不清） */
.dor-diagrams {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s3);
}

.dor-diagrams .dor-diagram { margin: 0; }

/* 表格左列宽度变体 */
.dor-table col.dor-col-wide { width: 24%; }
.dor-table col.dor-col-half { width: 38%; }

@media (max-width: 1024px) {
  .dor-notes-2 { grid-template-columns: 1fr; }
  .home-advantages li:last-child { grid-column: auto; }
  .dor-cols { grid-template-columns: 1fr; }
}



/* ================================================== 首页专用组件 ======== */

/* 业绩数字 */
.dor-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 2px solid var(--dor-accent);
}

.dor-stat {
  padding: 30px 32px 8px 0;
}

.dor-stat + .dor-stat {
  padding-left: 32px;
  border-left: 1px solid var(--dor-line);
}

.dor-stat b {
  display: block;
  font-size: clamp(38px, 5.2vw, 64px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--dor-ink);
  font-variant-numeric: tabular-nums;
}

.dor-stat b > small {
  font-size: .42em;
  font-weight: 600;
  letter-spacing: 0;
  margin-left: 6px;
  color: var(--dor-muted);
}

.dor-stat span {
  display: block;
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--dor-muted);
}

/* 代表性服务机构 */
.dor-orgs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.dor-orgs li {
  padding: 9px 18px;
  border: 1px solid var(--dor-line);
  border-radius: 999px;
  background: #fff;
  font-size: 15px;
  color: var(--dor-ink);
}


/* 案例页重点项目卡片：无照片的排印卡，名称 + 机构定位 + 业务线 */
.case-featured {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.case-featured-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--dor-line);
  border-radius: 10px;
  background: #fff;
}

.case-featured-item b { font-size: 15.5px; line-height: 1.55; color: var(--dor-ink); font-weight: 600; }
.case-featured-item span { margin-top: auto; font-size: 13px; color: var(--dor-muted); }

@media (max-width: 1100px) { .case-featured { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .case-featured { grid-template-columns: 1fr; } }

/* 解决方案卡片 */
.dor-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s3);
}

.dor-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--dor-line);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  text-decoration: none;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.dor-card:hover {
  border-color: var(--dor-accent);
  transform: translateY(-2px);
  box-shadow: 0 18px 44px rgba(16, 40, 28, .1);
}

.dor-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.dor-card-body {
  padding: 22px 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.dor-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--dor-ink);
}

.dor-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--dor-muted);
}

.dor-card .dor-card-more {
  margin-top: auto;
  padding-top: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--dor-accent);
}

/* 建设参考文章行 */
.dor-refs {
  border-top: 1px solid var(--dor-line);
}

.dor-ref {
  display: grid;
  grid-template-columns: 1.1fr 1fr auto;
  gap: 24px;
  align-items: baseline;
  padding: 24px 0;
  border-bottom: 1px solid var(--dor-line);
  text-decoration: none;
}

.dor-ref:hover h3 { color: var(--dor-accent); }

.dor-ref h3 {
  margin: 0;
  font-size: clamp(16px, 1.4vw, 18px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--dor-ink);
  transition: color .2s ease;
}

.dor-ref p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--dor-muted);
}

.dor-ref > span {
  font-size: 14px;
  font-weight: 600;
  color: var(--dor-accent);
  white-space: nowrap;
}

@media (max-width: 1024px) {
  .dor-cards { grid-template-columns: repeat(2, 1fr); }
  .dor-ref { grid-template-columns: 1fr; gap: 8px; }
  .dor-ref > span { margin-top: 4px; }
}

@media (max-width: 720px) {
  .dor-stats { grid-template-columns: 1fr; border-top: 0; }
  .dor-stat { padding: 24px 0; border-top: 2px solid var(--dor-accent); }
  .dor-stat + .dor-stat { padding-left: 0; border-left: 0; }
  .dor-cards { grid-template-columns: 1fr; }
}

/* 通栏卡片（首页第七项：现场服务，与六类系统方案区分） */
.dor-card-wide {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: stretch;
}

.dor-card-wide img {
  width: 42%;
  flex: 0 0 42%;
  aspect-ratio: auto;
  min-height: 220px;
}

.dor-card-wide .dor-card-body {
  justify-content: center;
  padding: var(--s3) var(--s4);
}

.dor-card-wide h3 { font-size: clamp(19px, 1.6vw, 22px); }
.dor-card-wide p { font-size: 15px; max-width: 46em; }

@media (max-width: 720px) {
  .dor-card-wide { flex-direction: column; }
  .dor-card-wide img { width: 100%; flex: none; aspect-ratio: 16 / 10; min-height: 0; }
}

/* 首屏事实条·无标题版（一行陈述代替 dt/dd 表单式标签） */
.dor-hero-plainfacts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  list-style: none;
  margin: 0;
  padding: 0;
}

.dor-hero-plainfacts li {
  padding: 26px 28px 28px 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .88);
}

.dor-hero-plainfacts li + li {
  padding-left: 28px;
  border-left: 1px solid rgba(255, 255, 255, .16);
}

.dor-hero-plainfacts b {
  color: #fff;
  font-weight: 600;
}

@media (max-width: 1024px) {
  .dor-hero-plainfacts { grid-template-columns: repeat(2, 1fr); }
  .dor-hero-plainfacts li:nth-child(odd) { border-left: 0; padding-left: 0; }
  .dor-hero-plainfacts li:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.16); }
}

@media (max-width: 560px) {
  .dor-hero-plainfacts { grid-template-columns: 1fr; }
  .dor-hero-plainfacts li { border-left: 0 !important; padding: 16px 0; }
  .dor-hero-plainfacts li + li { padding-left: 0; border-top: 1px solid rgba(255,255,255,.16); }
}

/* 图注列表两栏（用于组件较多的全景标注图） */
.dor-shot-legend.dor-notes-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: var(--s5);
}

@media (max-width: 860px) {
  .dor-shot-legend.dor-notes-2 { grid-template-columns: 1fr; }
}

/* 收窄的标注图：通栏会过高，收窄后仍左对齐到内容框左边线 */
.dor-shot-narrow {
  width: min(100%, var(--dor-shot-w));
  margin-inline: 0;
}


/* ================================================ 大屏（2K / 4K） ======== */
/* 站点原来只写了 max-width 断点，1240px 的容器在 2560 及以上会缩成屏幕
   中间的一条窄带。这里按视口分三档放宽容器与字号。 */

/* 左对齐的单列模块一律铺满内容框：概述段、正文栏、要点、FAQ、章节标题、
   收窄图与表格共用同一个左右边界。给正文单独设一个比容器窄的上限，会在
   右侧留下一条没有内容的空带，且宽度随视口变化，读起来就是「没对齐」。 */
:root {
  --dor-read: 100%;       /* 单列正文、FAQ、要点 */
  --dor-head-w: 100%;     /* 章节标题块 */
  --dor-wide: 100%;       /* 宽单列内容 */
  --dor-shot-w: 100%;     /* 标注图 */
}

@media (min-width: 1900px) {
  :root {
    --max: 1440px;
  }
  .dor-hero-inner { max-width: 860px; }
  .dor-hero h1    { font-size: 52px; }
  .dor-hero-sub   { font-size: 20px; }
  .dor-head h2    { font-size: 44px; }
  .dor-head p     { font-size: 18px; }
  .dor-lead p     { font-size: 19px; }
  .dor-notes li,
  .dor-shot-legend li { font-size: 17px; }
  .dor-faq p      { font-size: 17px; }
}

@media (min-width: 2500px) {
  :root {
    --max: 1680px;
  }
  .dor-hero-inner { max-width: 980px; }
  .dor-hero h1    { font-size: 58px; }
  .dor-hero-sub   { font-size: 22px; }
  .dor-head h2    { font-size: 50px; }
  .dor-head p     { font-size: 19px; }
  .dor-lead p     { font-size: 20px; }
  .dor-notes li,
  .dor-shot-legend li { font-size: 18px; }
  .dor-faq p      { font-size: 18px; }
  .dor-kicker, .dor-num { font-size: 15px; }
}

/* 下载表：两列只放一个按钮，给固定宽度，剩余宽度全部留给方案名与说明，
   否则容器一放宽，按钮列就会摊成两片空白。 */
.dor-table-docs col:not(.dor-col-item) { width: 190px; }
.dor-table-docs col.dor-col-item { width: auto; }


/* ============================================ 版面工具类 ================ */
/* 页面里原先写了八种一次性的 margin/max-width 行内样式，收敛为下面四个类。 */

.dor-col-read {
  max-width: var(--dor-read);
  margin-inline: 0;
}
.dor-col-wide {
  max-width: var(--dor-wide);
  margin-inline: 0;
}
.dor-stack    { margin-top: var(--s5); }
.dor-stack-b  { margin-bottom: var(--s5); }
.dor-btn-sm   { padding: 8px 16px; font-size: 14px; }

.dor-label-stack { margin: var(--s5) 0 var(--s1); }
.dor-link { color: var(--dor-accent); }