/* 科技主题-暗：以逆向实验室为视觉线索，正文与交互保持渐进增强。 */
:root {
  --bg: #080e14;
  --panel: #0e1821;
  --panel-light: #14222d;
  --text: #e5edf2;
  --muted: #9aabb9;
  --line: #23333e;
  --accent: #66e5c3;
  --blue: #86b8ff;
  --radius: 6px;
  --font: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace
}

* {
  box-sizing: border-box
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.8 var(--font);
  -webkit-font-smoothing: antialiased
}

a {
  color: inherit;
  text-decoration: none;
  text-underline-offset: 4px
}

button,
input,
textarea {
  font: inherit
}

button,
a,
input,
textarea,
summary {
  -webkit-tap-highlight-color: transparent
}

button {
  cursor: pointer
}

button:disabled {
  cursor: not-allowed
}

button:focus-visible,
a:focus-visible,
summary:focus-visible,
input:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px
}

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

h1,
h2,
h3,
h4,
p,
figure {
  margin: 0
}

h1,
h2,
h3,
h4 {
  line-height: 1.4;
  letter-spacing: -.03em
}

p {
  overflow-wrap: anywhere
}

ul,
ol {
  padding-left: 1.4em
}

strong {
  font-weight: 650
}

::selection {
  color: var(--bg);
  background: var(--accent)
}

[hidden] {
  display: none !important
}

.shell {
  width: min(1240px, calc(100% - 80px));
  margin-inline: auto
}

.eyebrow {
  display: block;
  color: var(--accent);
  font: 11px/1.6 var(--mono);
  letter-spacing: .13em
}

.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 14px #68e8d54d
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 20px;
  z-index: 100;
  background: var(--accent);
  color: var(--bg);
  padding: 10px 16px
}

.skip-link:focus {
  top: 12px
}

.preview-bar {
  border-bottom: 1px solid var(--line);
  background: #111e30;
  color: #a8b8ca;
  font-size: 11px;
  line-height: 32px
}

.preview-bar .shell {
  display: flex;
  justify-content: space-between;
  gap: 16px
}

.preview-bar i {
  display: inline-block;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: 7px
}

.preview-bar a:hover {
  color: var(--accent)
}

.draft-notice {
  padding: 12px 24px;
  text-align: center;
  background: #40341e;
  color: #ffe6ae;
  font-size: 13px
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #080e14f5;
  border-bottom: 1px solid var(--line)
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 86px
}

.brand {
  display: flex;
  flex-direction: column;
  flex-shrink: 0
}

.brand-mark {
  font: 750 29px/1.1 var(--mono);
  letter-spacing: -.06em
}

.brand-mark span {
  font-weight: 450
}

.brand-mark b {
  color: var(--accent);
  font-weight: 450
}

.brand-caption {
  margin-top: 6px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .14em
}

.site-menu {
  display: flex;
  align-items: center;
  gap: 28px
}

.nav-list {
  display: flex;
  gap: 26px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px
}

.nav-list>li>a,
.nav-group>summary {
  padding: 30px 0;
  cursor: pointer;
  white-space: nowrap
}

.nav-list a:hover,
.nav-group summary:hover,
.nav-group[open]>summary {
  color: var(--accent)
}

.nav-group>summary {
  list-style: none
}

.nav-group>summary::-webkit-details-marker {
  display: none
}

.nav-group summary span {
  color: var(--muted);
  margin-left: 3px
}

.nav-group {
  position: relative
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: -24px;
  width: 270px;
  max-height: 65vh;
  overflow: auto;
  padding: 10px 22px 16px;
  background: #101d30;
  border: 1px solid var(--line);
  border-top: 2px solid var(--accent);
  border-radius: 0 0 10px 10px;
  box-shadow: 0 20px 60px #0005
}

.nav-list>li:last-child .nav-dropdown {
  left: auto;
  right: 0
}

.nav-dropdown ul {
  list-style: none;
  padding: 0;
  margin: 0
}

.nav-dropdown a {
  display: block;
  padding: 9px 0;
  font-size: 13px
}

.nav-dropdown ul ul {
  padding-left: 12px;
  border-left: 1px solid var(--line)
}

.menu-toggle {
  display: none
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 13px 22px;
  border: 1px solid var(--accent);
  border-radius: 5px;
  background: var(--accent);
  color: #08212a;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.6;
  transition: background .2s, transform .2s
}

.button:hover {
  background: #9df5e8;
  transform: translateY(-2px)
}

.button-ghost {
  background: transparent;
  border-color: #384a62;
  color: var(--text)
}

.button-ghost:hover {
  background: #15263a;
  border-color: var(--muted)
}

.button-small {
  padding: 10px 15px;
  gap: 18px;
  font-size: 12px
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  color: var(--accent);
  font-size: 13px
}

.text-link:hover {
  text-decoration: underline
}

/* 首屏采用低对比坐标网格与可单步执行的教学工作台。 */
.hero-region {
  position: relative;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
  background: radial-gradient(ellipse at 80% 45%, #14382f38, transparent 62%)
}

.hero-region:before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image: linear-gradient(#6de7c309 1px, transparent 1px), linear-gradient(90deg, #6de7c309 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, transparent, #000 65%, transparent);
  pointer-events: none
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: 58px;
  align-items: center;
  padding-block: 76px 64px
}

.hero-copy,
.hero-workbench {
  min-width: 0
}

.hero-specialty {
  margin-top: 18px;
  color: #b4c7ce;
  font-size: 13px;
  letter-spacing: .18em
}

.hero h1 {
  max-width: 10em;
  margin: 21px 0 25px;
  font-size: clamp(38px, 4vw, 58px);
  line-height: 1.3;
  letter-spacing: -.045em;
  font-weight: 650;
  text-wrap: balance
}

.hero-description {
  max-width: 32em;
  color: var(--muted);
  font-size: 15px;
  line-height: 2
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px
}

.hero-topics {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 28px;
  font: 10px/1.7 var(--mono);
  color: #a4b9c1
}

.hero-topics>span,
.hero-ai-topics>span {
  border: 1px solid #2b3e47;
  padding: 4px 8px;
  background: #0c181dcc
}

.hero-ai-topics {
  display: flex;
  gap: inherit
}

.hero-ai-topics>span {
  color: var(--accent);
  border-color: #30645d;
  background: #102622;
  white-space: nowrap
}

.hero-proof {
  display: flex;
  gap: 24px;
  margin-top: 20px;
  font-size: 11px;
  color: var(--muted)
}

.hero-proof a:hover {
  color: var(--accent)
}

.workbench-label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  color: #839e9f;
  font: 10px/1.7 var(--mono);
  letter-spacing: .08em
}

.reverse-lab {
  border: 1px solid #3a5a56;
  border-radius: 6px;
  overflow: hidden;
  background: #0c151c;
  box-shadow: 0 24px 60px #0005, 0 0 0 6px #67e5c305;
  font: 11px/1.7 var(--mono)
}

.reverse-lab [hidden] {
  display: none !important
}

.reverse-lab-title {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 17px;
  border-bottom: 1px solid var(--line);
  background: #122128
}

.lab-symbol {
  color: var(--accent);
  font-size: 21px;
  line-height: 1
}

.reverse-lab-title strong {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em
}

.reverse-lab-title strong span {
  color: #a7bcbf;
  font-size: 10px;
  font-weight: 400
}

.lab-architecture {
  margin-left: auto;
  color: #97aeb5;
  font-size: 10px
}

.reverse-lab-context {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 17px;
  border-bottom: 1px solid var(--line);
  font-size: 10px
}

.reverse-lab-context>span:last-child {
  color: #839da6;
  font-size: 8px;
  align-self: center
}

.reverse-lab-context b {
  padding-inline: 8px;
  color: var(--accent)
}

.lab-view-tabs {
  display: flex;
  align-items: stretch;
  gap: 4px;
  padding: 0 12px;
  border-bottom: 1px solid var(--line);
  background: #101c24
}

.lab-view-tabs button {
  padding: 11px 10px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: #90a7b2;
  font: 11px/1.7 var(--font)
}

.lab-view-tabs button>span {
  margin-right: 6px;
  font-family: var(--mono);
  color: #768f9b
}

.lab-view-tabs button[aria-selected=true] {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: linear-gradient(transparent, #67e5c30b)
}

.lab-view-tabs button[aria-selected=true]>span {
  color: var(--accent)
}

.lab-view-tabs button:hover {
  color: #e1efeb
}

.lab-view-hint {
  align-self: center;
  margin-left: auto;
  color: #79949c;
  font-size: 9px
}

.reverse-lab :is(button, [role=tabpanel]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -3px
}

.reverse-lab-panels {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 166px
}

.lab-code-views {
  min-width: 0
}

.lab-code-view {
  min-height: 260px;
  animation: lab-view-enter .2s ease-out
}

@keyframes lab-view-enter {
  from {
    opacity: .4;
    transform: translateY(3px)
  }

  to {
    opacity: 1;
    transform: translateY(0)
  }
}

.lab-panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 15px;
  color: #a6bac2;
  font-size: 10px
}

.lab-panel-heading>span:last-child {
  font-size: 9px;
  color: #718b98
}

.disassembly {
  min-width: 0;
  padding-bottom: 8px
}

.asm-line {
  display: grid;
  grid-template-columns: 12px 72px 1fr;
  align-items: baseline;
  column-gap: 8px;
  padding: 5px 13px;
  border-left: 2px solid transparent;
  white-space: nowrap
}

.source-line {
  display: grid;
  grid-template-columns: 12px 20px minmax(0, 1fr);
  align-items: baseline;
  column-gap: 6px;
  padding: 1px 13px;
  border-left: 2px solid transparent
}

.source-number {
  color: #718b98;
  font-size: 10px
}

.source-line code {
  color: #d1dfe6;
  font: 12px/1.8 var(--mono);
  white-space: pre
}

.source-line b {
  color: #b4a6e5;
  font-weight: 400
}

.source-line em {
  color: #e2bd80;
  font-style: normal
}

.source-function {
  color: var(--accent)
}

.asm-line.is-current,
.source-line.is-current {
  background: #67e5c313;
  border-left-color: var(--accent)
}

.asm-pointer {
  color: transparent;
  font-weight: 700
}

.is-current>.asm-pointer {
  color: var(--accent)
}

.asm-address {
  color: #79939f;
  font-size: 10px
}

.asm-line code {
  color: #d1dfe6;
  font: 12px/1.8 var(--mono)
}

.asm-line b {
  display: inline-block;
  min-width: 29px;
  font-weight: 400;
  color: var(--accent)
}

.asm-line em {
  color: #b4a6e5;
  font-style: normal
}

.registers {
  border-left: 1px solid var(--line);
  background: #101c2480
}

.registers dl {
  margin: 3px 15px 0
}

.registers dl>div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid #23333e80
}

.registers dt {
  color: #839eab;
  font-size: 10px
}

.registers dd {
  margin: 0;
  color: #c5d7e1;
  font-size: 11px
}

.registers [data-register=eip] {
  color: var(--accent)
}

.registers [data-register=zf] {
  color: #e2bd80
}

.registers .is-changed {
  animation: register-change .7s ease-out
}

@keyframes register-change {
  from {
    background: #66e5c344;
    color: #fff
  }

  to {
    background: transparent
  }
}

.register-note {
  margin: 16px 15px;
  color: #8da9ae;
  font-size: 9px
}

.register-note .status-dot {
  width: 4px;
  height: 4px;
  margin-right: 3px
}

.lab-correspondence {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 12px;
  padding: 10px 15px;
  border-top: 1px solid var(--line);
  background: #101f25;
  color: #8fa9b2;
  font-size: 10px
}

.lab-correspondence code {
  color: #c4e4dc;
  font: 11px/1.8 var(--mono)
}

.lab-correspondence small {
  margin-left: auto;
  font-size: 9px;
  color: #90a4b3
}

.lab-flow {
  border-top: 1px solid var(--line);
  background: linear-gradient(#15232b20 1px, transparent 1px), linear-gradient(90deg, #15232b40 1px, transparent 1px);
  background-size: 16px 16px
}

.flow-nodes {
  display: grid;
  grid-template-columns: 1fr 20px 1fr 20px 1fr;
  align-items: center;
  padding: 1px 15px 0
}

.flow-node {
  padding: 10px 12px;
  border: 1px solid #30404b;
  background: #101c23;
  border-radius: 3px;
  min-width: 0
}

.flow-node.is-active {
  border-color: #66e5c380;
  background: #102a29
}

.flow-node>span {
  display: block;
  color: #8ea7ad;
  font-size: 8px
}

.flow-node>strong {
  display: block;
  font: 500 12px/1.8 var(--font);
  margin: 3px 0
}

.flow-node>code {
  font: 10px/1.5 var(--mono);
  color: #8fa8b1
}

.flow-arrow {
  text-align: center;
  color: #5d8a86
}

.flow-branch {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 8px 0 11px;
  color: #738f9b;
  font-size: 9px
}

.flow-branch code {
  color: #c2abdf;
  font: inherit
}

.reverse-lab-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 58px;
  padding: 11px 15px;
  border-top: 1px solid var(--line);
  background: #102026
}

.lab-step-status {
  color: #a7bec4;
  font-size: 10px
}

.lab-step {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 7px 11px;
  color: var(--accent);
  background: #163932;
  border: 1px solid #467c6b;
  border-radius: 3px;
  font: 11px/1.6 var(--font)
}

.lab-step:hover {
  background: #214b40;
  border-color: var(--accent)
}

.lab-capabilities {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line)
}

.lab-capabilities>span {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 9px;
  padding: 18px 10px;
  color: #afc0c7;
  font-size: 11px
}

.lab-capabilities>span+span {
  border-left: 1px solid var(--line)
}

.lab-capabilities b {
  color: var(--accent);
  font: 10px var(--mono)
}

.lab-capabilities small {
  color: #79939d;
  font: 8px var(--mono)
}

/* 轮播完整呈现原图，不裁掉招生横幅中的文字。 */
.carousel-section {
  padding-top: 40px;
  padding-bottom: 20px
}

.carousel-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 15px
}

.carousel-heading>span:last-child {
  color: var(--muted);
  font-size: 11px
}

.carousel-frame {
  overflow: hidden;
  border: 1px solid #2b4059;
  border-radius: 5px;
  background: var(--panel);
  box-shadow: 0 16px 45px #0002
}

.carousel-track {
  display: flex;
  /* 所有展示项按最高内容等高，切换时保持边框和下方内容位置稳定。 */
  align-items: stretch;
  overflow-x: auto;
  /* 隐藏其他展示项的高度差，避免滚轮在当前海报内上下移动。 */
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  overscroll-behavior-x: contain
}

.carousel-track::-webkit-scrollbar {
  display: none
}

.carousel-slide {
  display: flex;
  flex-direction: column;
  flex: 0 0 100%;
  min-width: 0;
  scroll-snap-align: start;
  scroll-snap-stop: always
}

/* 无图片的展示项使用可编辑文字海报，标题、说明和按钮来自展示位。 */
.carousel-announcement {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr);
  gap: 32px;
  padding: 40px 48px;
  min-height: 365px;
  background: radial-gradient(ellipse at 90% 40%, #27795d24, transparent 65%), #0e1b22
}

/* 按轮播顺序轻微变换强调色，内容调整和重新排序仍使用同一份文字布局。 */
.carousel-slide:nth-child(3n+2) .carousel-announcement {
  --accent: #e0bd7c;
  background: radial-gradient(ellipse at 90% 40%, #ae873124, transparent 65%), #191d22
}

.carousel-slide:nth-child(3n) .carousel-announcement {
  --accent: #89bcf0;
  background: radial-gradient(ellipse at 90% 40%, #3973b52c, transparent 65%), #0f1b2a
}

.announcement-copy h2 {
  font-size: clamp(25px, 2.4vw, 36px);
  font-weight: 600;
  margin: 15px 0 18px;
  text-wrap: balance
}

.announcement-copy p {
  font-size: 14px;
  line-height: 1.9;
  color: #b1c2cb
}

.announcement-copy .button {
  margin-top: 21px;
  padding: 10px 17px;
  font-size: 12px
}

.announcement-art {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 18px;
  border-left: 1px solid #2f4a48;
  background-image: linear-gradient(#69d2b40a 1px, transparent 1px), linear-gradient(90deg, #69d2b40a 1px, transparent 1px);
  background-size: 24px 24px
}

.announcement-art>strong {
  font: 650 clamp(38px, 5.4vw, 76px)/1.2 var(--mono);
  letter-spacing: -.08em;
  color: #b8d4d2
}

.announcement-art strong>span {
  font-weight: 400
}

.announcement-art b {
  font-weight: 400;
  color: var(--accent)
}

.announcement-art>span {
  font: 10px/1.6 var(--mono);
  letter-spacing: .05em;
  color: #82a7a0
}

.carousel-image {
  aspect-ratio: 3.2;
  display: grid;
  place-items: center;
  background: #10243b
}

.carousel-image>a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  min-height: 0
}

.carousel-image img {
  width: 100%;
  height: 100%;
  max-height: 100%;
  object-fit: contain
}

.carousel-slide figcaption {
  padding: 22px 28px;
  border-top: 1px solid var(--line)
}

.carousel-slide figcaption h2 {
  font-size: 22px
}

.carousel-slide figcaption p {
  font-size: 14px;
  color: var(--muted);
  margin-top: 8px
}

.carousel-slide figcaption .text-link {
  margin-top: 12px
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 4px 0
}

.carousel-label {
  font-size: 13px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 14px
}

.carousel-label>span {
  font: 9px/1.6 var(--mono);
  letter-spacing: .14em;
  color: var(--muted)
}

.carousel-pagination {
  display: flex;
  gap: 8px;
  align-items: center
}

.carousel-pagination button {
  width: 34px;
  height: 28px;
  padding: 10px 0;
  background: transparent;
  border: 0
}

.carousel-pagination button>span {
  display: block;
  height: 3px;
  border-radius: 2px;
  background: #34465e;
  transition: background .2s
}

.carousel-pagination button[aria-pressed=true]>span {
  background: var(--accent)
}

.carousel-buttons {
  display: flex;
  gap: 8px;
  align-items: center
}

.carousel-buttons>button {
  width: 38px;
  height: 38px;
  border: 1px solid #35465e;
  border-radius: 50%;
  color: var(--text);
  background: var(--panel);
  font-size: 18px;
  line-height: 1
}

.carousel-buttons>button:hover {
  border-color: var(--accent);
  color: var(--accent)
}

.carousel-status {
  font: 11px/1.6 var(--mono);
  color: var(--muted);
  margin-right: 14px;
  min-width: 35px
}

.section {
  padding-block: 85px
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 34px
}

.section-heading h2 {
  font-size: 32px;
  font-weight: 550;
  margin-top: 14px
}

.section-heading p {
  color: var(--muted);
  font-size: 14px;
  margin-top: 14px
}

.section-heading>.text-link {
  flex-shrink: 0;
  margin-bottom: 4px
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 15px
}

.course-card {
  display: flex;
  flex-direction: column;
  padding: 25px 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, #14242b, #0b141b);
  transition: border-color .2s, transform .2s
}

.course-card:hover {
  border-color: #4f8f9e;
  transform: translateY(-4px)
}

.course-top {
  display: flex;
  justify-content: space-between;
  font: 9px/1.5 var(--mono);
  color: var(--muted)
}

.course-top b {
  font-size: 19px;
  font-weight: 400;
  color: var(--accent)
}

.course-visual {
  margin: 18px -24px 22px;
  padding-block: 8px;
  background-image: radial-gradient(#4e7d734d .7px, transparent .7px);
  background-size: 12px 12px
}

.course-visual svg {
  display: block;
  width: 100%;
  height: 100px;
  stroke: #608d8b;
  stroke-width: 1.2;
  transition: stroke .2s
}

.course-visual text {
  fill: #a2c5c0;
  stroke: none;
  font: 12px var(--mono)
}

.course-visual .diagram-trace {
  stroke: #3b615c
}

.course-visual .diagram-fill {
  fill: #5e9588;
  stroke: none
}

.course-card:hover .course-visual svg {
  stroke: var(--accent)
}

.course-card h3 {
  font-size: 20px;
  font-weight: 550
}

.course-card p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px
}

.course-more {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--muted);
  padding-top: 26px;
  margin-top: auto
}

.course-more span {
  color: var(--accent)
}

.learning-path {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 36px;
  padding: 25px 28px;
  border: 1px solid var(--line);
  border-left: 2px solid #4f9b86;
  border-radius: 3px
}

.learning-path>div {
  flex: 1;
  min-width: 0
}

.learning-path>div>span {
  float: left;
  margin-right: 14px;
  font: 24px/1.6 var(--mono);
  color: #426477
}

.learning-path h3 {
  font-size: 14px;
  margin-top: 4px;
  font-weight: 500
}

.learning-path p {
  font-size: 11px;
  color: var(--muted);
  margin-top: 10px;
  clear: both
}

.learning-path>b {
  color: #3f6175;
  font-weight: 400
}

/* 首页介绍视频：由主题控制外观，播放器保留原生播放、进度与全屏操作。 */
.home-film-section {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.5fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  padding-bottom: clamp(45px, 6vw, 88px)
}

.home-film-copy h2 {
  margin: 16px 0;
  font-size: clamp(26px, 2.5vw, 36px);
  font-weight: 500;
  line-height: 1.55
}

.home-film-copy p {
  color: var(--muted);
  font-size: 14px;
  line-height: 2;
  margin: 0 0 24px;
  max-width: 30em
}

.home-film {
  min-width: 0;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden
}

.home-film video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #000
}

.home-film figcaption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 13px 18px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7
}

@media (max-width: 760px) {
  .home-film-section {
    grid-template-columns: 1fr;
    gap: 24px
  }

  .home-film-copy p {
    max-width: none
  }
}

.school-section {
  padding-block: 78px;
  border-block: 1px solid var(--line);
  background: #0c1625
}

.school-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px
}

.school-grid h2 {
  font-size: 34px;
  line-height: 1.6;
  font-weight: 500;
  margin-top: 18px
}

.school-wordmark {
  font: 11px/1.6 var(--mono);
  color: #748ca4;
  margin-top: 35px
}

.school-wordmark strong {
  display: block;
  font: 55px/1.2 var(--mono);
  color: #2a3e54;
  font-weight: 500
}

.school-wordmark strong span {
  color: #3f8d8c
}

.school-copy.prose {
  padding-top: 16px;
  font-size: 15px;
  line-height: 2.1
}

.school-copy .text-link {
  margin-top: 20px
}

.honor-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 15px
}

.honor-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 9px;
  min-width: 0;
  background: var(--panel)
}

.honor-card h3 {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.7;
  margin: 25px 0 30px;
  overflow-wrap: anywhere
}

.honor-card h3 a:hover {
  color: var(--accent)
}

.honor-info {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 12px;
  justify-content: space-between;
  color: var(--muted);
  font-size: 11px;
  margin-top: auto
}

.feedback-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 48px 0 23px
}

.feedback-heading>h3 {
  font-size: 20px;
  font-weight: 500
}

.feedback-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 25px
}

.feedback-card {
  position: relative;
  padding: 22px 24px;
  border-left: 1px solid #39526b;
  background: linear-gradient(90deg, #1422366b, transparent);
  min-width: 0
}

.quote-mark {
  display: block;
  font: 44px/1 Georgia, serif;
  color: #428c91
}

.feedback-card h3 {
  font-size: 15px;
  line-height: 1.8;
  font-weight: 500
}

.feedback-card h3 a:hover {
  color: var(--accent)
}

.feedback-card p {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  margin-top: 15px
}

.feedback-card .text-link {
  font-size: 11px;
  margin-top: 20px
}

.faq-section {
  padding-block: 78px;
  border-block: 1px solid var(--line);
  background: #0b1423
}

.faq-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px
}

.faq-copy.prose h3 {
  font-size: 17px;
  font-weight: 500;
  padding-top: 18px;
  margin: 16px 0 12px;
  border-top: 1px solid var(--line)
}

.faq-copy.prose h3:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0
}

.faq-copy.prose p {
  font-size: 13px;
  line-height: 2;
  color: var(--muted);
  margin: 0 0 28px
}

.enrollment-panel {
  background: #122235;
  border: 1px solid #2c4156;
  border-radius: var(--radius);
  padding: 32px
}

.enrollment-panel>h3 {
  font-size: 24px;
  margin-top: 10px;
  font-weight: 500
}

.enrollment-panel .prose {
  font-size: 13px;
  line-height: 1.9
}

.enrollment-panel ol {
  list-style: none;
  padding: 0;
  counter-reset: steps
}

.enrollment-panel li {
  counter-increment: steps;
  position: relative;
  padding-left: 40px;
  margin: 24px 0
}

.enrollment-panel li:before {
  content: "0" counter(steps);
  position: absolute;
  left: 0;
  color: var(--accent);
  font: 11px/2 var(--mono)
}

.enrollment-panel .prose p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 7px
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px
}

.content-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden
}

.card-image {
  display: block;
  position: relative;
  background: #111e2e
}

.card-image img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: contain;
  transition: opacity .2s
}

.card-image:hover img {
  opacity: .85
}

.card-copy {
  padding: 23px;
  display: flex;
  flex-direction: column;
  flex: 1
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 10px;
  color: var(--muted)
}

.card-meta>span:first-child {
  color: var(--accent)
}

.content-card h3 {
  font-size: 16px;
  line-height: 1.7;
  margin: 14px 0 12px;
  font-weight: 500;
  overflow-wrap: anywhere
}

.content-card h3 a:hover {
  color: var(--accent)
}

.card-copy>p {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.9;
  margin-bottom: 17px
}

.card-more {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--muted);
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--line)
}

.card-more span {
  color: var(--accent)
}

.card-more:hover {
  color: var(--accent)
}

.recommend-tag {
  display: inline-block;
  border: 1px solid #30665f;
  border-radius: 3px;
  color: var(--accent);
  font-size: 10px;
  line-height: 1.6;
  padding: 1px 6px;
  white-space: nowrap
}

.recommended-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 25px;
  border-top: 1px solid var(--line);
  padding-top: 25px;
  margin-top: 35px;
  font-size: 12px;
  color: var(--muted)
}

.recommended-strip a:hover {
  color: var(--accent)
}

.bottom-consult {
  margin-bottom: 80px
}

.consult-panel {
  position: relative;
  background: linear-gradient(115deg, #153343, #111e31);
  border: 1px solid #2c4c5c;
  border-radius: var(--radius);
  padding: 46px
}

.consult-panel h2 {
  font-size: 28px;
  font-weight: 500;
  margin-top: 12px
}

.consult-panel p {
  font-size: 13px;
  color: #a2bacb;
  margin-top: 15px
}

.consult-panel .button {
  margin-top: 25px
}

.consult-panel>.text-link {
  margin-left: 20px;
  font-size: 12px
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #060c16;
  padding: 60px 0 26px
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px
}

.footer-top>div>p {
  color: var(--muted);
  font-size: 12px;
  line-height: 2;
  margin-top: 18px;
  max-width: 390px
}

.footer-contact h2 {
  font-size: 22px;
  font-weight: 500;
  margin: 10px 0 14px
}

.phone {
  font: 25px/1.6 var(--mono);
  letter-spacing: -.04em;
  color: var(--text);
  overflow-wrap: anywhere
}

.phone:hover {
  color: var(--accent)
}

.footer-contact .text-link {
  margin-top: 18px;
  font-size: 12px
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin-top: 45px;
  padding-block: 22px;
  border-block: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted)
}

.footer-links a:hover,
.friend-links a:hover {
  color: var(--accent)
}

.friend-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  padding: 22px 0;
  color: #8496ab;
  font-size: 11px
}

.friend-links>span {
  color: #5d738b
}

.friend-links a {
  display: inline-flex;
  align-items: center;
  gap: 7px
}

.friend-links img {
  max-width: 75px;
  max-height: 24px;
  object-fit: contain
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px 22px;
  flex-wrap: wrap;
  padding-top: 22px;
  color: #71839a;
  font-size: 10px
}

.footer-bottom>div {
  display: flex;
  flex-wrap: wrap;
  gap: 15px
}

.footer-bottom a:hover {
  color: var(--accent)
}

/* 栏目、长正文与业务入口。 */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 11px;
  flex-wrap: wrap;
  padding-top: 28px;
  color: var(--muted);
  font-size: 11px
}

.breadcrumbs>span {
  color: #3a5169
}

.breadcrumbs a:hover {
  color: var(--accent)
}

.page-heading {
  padding-top: 40px;
  padding-bottom: 36px;
  position: relative
}

.page-heading:after {
  content: "";
  display: block;
  width: 48px;
  height: 2px;
  margin-top: 24px;
  background: var(--accent)
}

.page-heading h1 {
  font-size: 38px;
  font-weight: 550;
  margin-top: 12px;
  overflow-wrap: anywhere
}

.page-heading>p {
  font-size: 14px;
  color: var(--muted);
  margin-top: 14px;
  max-width: 750px
}

.page-layout,
.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 32px;
  margin-bottom: 80px
}

.detail-layout {
  margin-top: 35px
}

.page-main,
.page-aside {
  min-width: 0
}

.page-aside>.consult-panel {
  padding: 25px
}

.page-aside .consult-panel h2 {
  font-size: 20px;
  line-height: 1.6
}

.page-aside .consult-panel .button {
  font-size: 12px;
  padding: 11px 15px;
  gap: 10px
}

.page-aside .consult-panel>.text-link {
  margin: 18px 0 0;
  display: block
}

.section-nav {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 12px 22px;
  margin-bottom: 24px
}

.section-nav ul {
  list-style: none;
  margin: 0;
  padding: 0
}

.section-nav a {
  display: block;
  font-size: 12px;
  line-height: 1.7;
  padding: 12px 0;
  border-bottom: 1px solid #1c2b40
}

.section-nav li:last-child>a {
  border-bottom: 0
}

.section-nav ul ul {
  border-left: 1px solid var(--line);
  padding-left: 14px
}

.section-nav a:hover {
  color: var(--accent)
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 26px
}

.entry-link {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 19px 22px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  font-size: 14px
}

.entry-link>span:last-of-type {
  color: var(--accent)
}

.entry-link p {
  grid-column: 1/-1;
  color: var(--muted);
  font-size: 12px
}

.entry-link:hover {
  border-color: #4f8f9e;
  color: var(--accent)
}

.reading-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
  background: var(--panel);
  min-width: 0
}

.page-main>.reading-panel {
  margin-bottom: 30px
}

.reading-panel>h2 {
  font-size: 26px;
  font-weight: 500;
  line-height: 1.6;
  margin: 15px 0 24px
}

.reading-panel>.preserve-lines {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 24px
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px
}

.list-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 11px
}

.list-summary>span:first-child {
  font-size: 15px;
  color: var(--text)
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  padding-block: 24px;
  margin-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted)
}

.pagination a {
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 4px
}

.pagination a:hover {
  border-color: var(--accent);
  color: var(--accent)
}

.pagination>[aria-disabled] {
  color: #62768e
}

.empty-state {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 40px
}

.empty-state h2 {
  font-size: 23px;
  font-weight: 500;
  margin-top: 16px
}

.empty-state p {
  font-size: 13px;
  color: var(--muted);
  margin: 15px 0 23px
}

.article-heading {
  border-bottom: 1px solid var(--line);
  margin-bottom: 30px;
  padding-bottom: 27px
}

.article-heading h1 {
  font-size: 30px;
  font-weight: 550;
  line-height: 1.65;
  overflow-wrap: anywhere;
  margin: 14px 0 18px
}

.article-meta {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 11px;
  color: var(--muted)
}

.article-summary {
  margin-top: 24px;
  padding: 17px 20px;
  border-left: 2px solid #3b8d91;
  background: #1730455c;
  color: #a9bbce;
  font-size: 14px;
  line-height: 2
}

.article-return {
  padding-top: 28px;
  margin-top: 35px;
  border-top: 1px solid var(--line)
}

.original-post {
  margin-top: 28px
}

.honor-facts {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin: 25px 0;
  padding: 20px;
  background: #122136;
  border-radius: 6px;
  font-size: 12px
}

.honor-facts dt {
  color: var(--muted);
  font-size: 10px
}

.honor-facts dd {
  margin: 5px 0 0
}

.table-scroll {
  overflow-x: auto;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px
}

.honor-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  min-width: 650px
}

.honor-table th,
.honor-table td {
  padding: 18px 20px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top
}

.honor-table th {
  background: #152338;
  color: var(--muted);
  font-size: 11px;
  font-weight: 400;
  white-space: nowrap
}

.honor-table td {
  color: #bac9da
}

.honor-table td:first-child {
  min-width: 280px;
  color: var(--text)
}

.honor-table td:not(:first-child) {
  min-width: 100px
}

.honor-table tr:last-child td {
  border-bottom: 0
}

.honor-table a:hover {
  color: var(--accent)
}

.prose {
  font-size: 16px;
  line-height: 2;
  color: var(--text);
  overflow-wrap: anywhere;
  min-width: 0
}

.prose>*:first-child {
  margin-top: 0
}

.prose>*:last-child {
  margin-bottom: 0
}

.prose p {
  margin: 0 0 1.2em
}

.prose div,
.prose section {
  max-width: 100%;
  min-width: 0
}

.prose h1,
.prose h2,
.prose h3,
.prose h4,
.prose h5,
.prose h6 {
  color: var(--text);
  font-weight: 550;
  line-height: 1.6;
  margin: 1.7em 0 .75em;
  letter-spacing: -.01em
}

.prose h1 {
  font-size: 27px
}

.prose h2 {
  font-size: 24px
}

.prose h3 {
  font-size: 20px
}

.prose h4,
.prose h5,
.prose h6 {
  font-size: 17px
}

.prose a {
  color: var(--accent);
  text-decoration: underline
}

.prose a:hover {
  color: var(--accent)
}

.prose ul,
.prose ol {
  margin: 1em 0 1.5em
}

.prose li {
  margin: .5em 0
}

.prose img {
  max-width: 100%;
  height: auto;
  margin: 1.5em auto;
  border-radius: 4px
}

.prose video,
.content-video {
  width: 100%;
  max-height: 600px;
  margin: 25px 0;
  background: #000;
  border-radius: 6px
}

.prose iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16/9;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 5px;
  margin: 25px 0
}

.prose table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  margin: 1.6em 0;
  font-size: 13px;
  line-height: 1.9;
  scrollbar-color: var(--muted) var(--panel)
}

.prose table:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px
}

.prose th,
.prose td {
  border: 1px solid var(--line);
  padding: 12px 15px;
  min-width: 95px;
  color: inherit
}

.prose th {
  background: var(--panel-light);
  font-weight: 500;
  color: var(--text)
}

.prose caption {
  padding: 0 0 12px;
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  text-align: left
}

/* 旧图表的深色字是图片像素，保留原画布底色，不改变正文主题。 */
.prose figure.media-illustration {
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px
}

.prose figure.media-illustration img {
  display: block;
  margin: 0 auto
}

.prose td p {
  margin: .25em 0
}

.prose :is(td, th).cell-prose {
  min-width: 280px
}

.prose td img {
  max-width: 400px;
  width: 100%;
  margin: .5em auto
}

.prose pre {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  padding: 22px;
  font: 12px/1.9 var(--mono);
  color: var(--text);
  white-space: pre;
  overflow-wrap: normal;
  tab-size: 4;
  margin: 1.6em 0
}

.prose code {
  font-family: var(--mono);
  font-size: .87em;
  background: var(--panel-light);
  color: var(--text);
  border-radius: 3px;
  padding: 2px 5px
}

.prose pre code {
  font-size: inherit;
  background: none;
  color: inherit;
  padding: 0
}

.prose blockquote {
  margin: 1.6em 0;
  padding: 16px 22px;
  border-left: 2px solid var(--accent);
  background: var(--panel-light);
  color: var(--text)
}

.prose blockquote p:last-child {
  margin: 0
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 30px 0
}

.prose figure {
  margin: 20px 0
}

.prose figcaption {
  font-size: 12px;
  color: var(--muted);
  text-align: center
}

.media-missing {
  padding: 18px;
  border: 1px dashed #43576e;
  border-radius: 4px;
  color: var(--muted);
  font-size: 12px;
  background: #132033;
  overflow-wrap: anywhere
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 32px;
  margin-bottom: 80px
}

.contact-layout>aside {
  min-width: 0
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin: 30px 0
}

.contact-item {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  min-width: 0
}

.contact-item>span {
  display: block;
  color: var(--accent);
  font: 9px/1.6 var(--mono);
  letter-spacing: .06em;
  margin-bottom: 10px
}

.contact-item>strong {
  font: 23px/1.6 var(--mono);
  overflow-wrap: anywhere
}

.contact-item>p {
  font-size: 13px;
  color: #b5c5d7
}

.contact-address {
  grid-column: 1/-1
}

.contact-qr {
  display: inline-block;
  margin: 15px 0 24px;
  padding: 12px;
  background: #f7f9fc;
  color: #24384d;
  border-radius: 6px
}

.contact-qr img {
  max-width: 150px
}

.contact-qr figcaption {
  font-size: 12px;
  text-align: center;
  margin-top: 8px
}

.contact-map {
  width: 100%;
  margin-bottom: 22px
}

.preserve-lines {
  white-space: pre-line
}

.contact-side .contact-grid {
  grid-template-columns: 1fr
}

.contact-side .phone {
  font-size: 23px
}

.form-preview-note {
  padding: 18px 20px;
  border: 1px solid #30515c;
  border-left: 2px solid var(--accent);
  border-radius: 5px;
  background: #14303b6b;
  margin-bottom: 28px;
  font-size: 13px
}

.form-preview-note strong {
  font-size: 13px;
  color: var(--accent)
}

.form-preview-note p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.9;
  margin-top: 8px
}

.public-form fieldset {
  border: 0;
  padding: 0;
  margin: 0
}

.public-form label {
  display: block;
  margin-bottom: 23px;
  font-size: 13px;
  color: #c4d2e1
}

.public-form label>span {
  color: var(--accent)
}

.public-form input,
.public-form textarea {
  display: block;
  margin-top: 8px;
  padding: 12px 14px;
  width: 100%;
  min-width: 0;
  background: #0a1321;
  border: 1px solid #2b3d53;
  border-radius: 5px;
  color: var(--text);
  font-size: 13px
}

.public-form input:disabled,
.public-form textarea:disabled {
  opacity: 1;
  color: #91a3b8;
  -webkit-text-fill-color: #91a3b8
}

.public-form textarea {
  resize: vertical
}

.public-form input::placeholder,
.public-form textarea::placeholder {
  color: #758aa4
}

.public-form small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  margin-top: 9px
}

.public-form .button:disabled {
  background: #2e4e55;
  color: #a9c7c9;
  border-color: #365b62;
  transform: none
}

.homework-aside {
  padding: 30px 10px
}

.homework-symbol {
  font: 90px/1.4 var(--mono);
  color: #29536a;
  margin: 25px 0
}

.homework-aside h2 {
  font-size: 25px;
  font-weight: 500
}

.homework-aside p {
  font-size: 13px;
  color: var(--muted);
  margin: 20px 0 28px;
  line-height: 2
}

.error-page {
  padding-block: 65px 100px;
  text-align: center
}

.error-code {
  display: block;
  font: clamp(90px, 16vw, 190px)/1.2 var(--mono);
  color: #243e55;
  letter-spacing: -.09em;
  margin-bottom: 20px
}

.error-code span {
  color: var(--accent)
}

.error-page h1 {
  font-size: 32px;
  font-weight: 500;
  margin: 18px 0
}

.error-page p {
  font-size: 14px;
  color: var(--muted);
  line-height: 2
}

.error-page .hero-actions {
  justify-content: center
}

@media(max-width:1100px) {
  .shell {
    width: calc(100% - 56px)
  }

  .site-menu {
    gap: 20px
  }

  .nav-list {
    gap: 18px;
    font-size: 12px
  }

  .brand-mark {
    font-size: 26px
  }

  .brand-caption {
    font-size: 9px
  }

  .hero {
    gap: 30px;
    padding-block: 54px
  }

  .hero h1 {
    font-size: 43px
  }

  .hero .eyebrow {
    font-size: 9px
  }

  .hero-topics {
    font-size: 9px;
    gap: 10px
  }

  .hero-actions {
    gap: 10px
  }

  .hero-actions .button {
    padding: 12px 16px;
    gap: 16px
  }

  .course-card {
    padding: 21px 18px
  }

  .course-card h3 {
    font-size: 18px
  }

  .school-grid {
    gap: 55px
  }

  .honor-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr))
  }

  .honor-card h3 {
    margin-block: 20px
  }

  .page-layout,
  .detail-layout {
    grid-template-columns: minmax(0, 1fr) 230px;
    gap: 24px
  }

  .reading-panel {
    padding: 28px
  }

  .page-aside>.consult-panel {
    padding: 20px
  }

  .faq-grid {
    gap: 45px
  }
}

@media(max-width:900px) {
  .header-inner {
    min-height: 76px
  }

  .menu-toggle {
    display: flex;
    gap: 10px;
    align-items: center;
    border: 1px solid #324258;
    background: transparent;
    border-radius: 4px;
    padding: 7px 12px;
    color: var(--text);
    font-size: 12px
  }

  .menu-icon {
    width: 14px;
    height: 10px;
    border-block: 1px solid currentColor;
    position: relative
  }

  .menu-icon:after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 4px;
    border-top: 1px solid currentColor
  }

  .site-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: calc(100dvh - 100px);
    overflow: auto;
    align-items: stretch;
    padding: 12px 28px 24px;
    background: #0d1829;
    border-bottom: 1px solid #35465d
  }

  .site-menu.is-open {
    display: flex;
    flex-direction: column;
    gap: 20px
  }

  .nav-list {
    display: block
  }

  .nav-list>li {
    border-bottom: 1px solid var(--line)
  }

  .nav-list>li>a,
  .nav-group>summary {
    display: block;
    padding: 15px 0;
    font-size: 14px
  }

  .nav-group>summary {
    display: flex;
    justify-content: space-between
  }

  .nav-dropdown {
    position: static;
    max-height: none;
    width: auto;
    padding: 0 0 14px 16px;
    background: transparent;
    border: 0;
    border-left: 1px solid #345068;
    border-radius: 0;
    margin-bottom: 15px;
    box-shadow: none
  }

  .nav-dropdown a {
    padding: 9px 10px
  }

  .hero {
    grid-template-columns: 1fr 1fr;
    gap: 34px;
    padding-block: 64px
  }

  .hero h1 {
    font-size: 40px
  }

  .hero-description {
    font-size: 14px
  }

  .hero .eyebrow {
    letter-spacing: .06em;
    font-size: 8px
  }

  .hero-topics {
    gap: 8px
  }

  .hero-actions .button {
    font-size: 11px;
    padding: 11px 14px;
    gap: 12px
  }

  .course-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr))
  }

  .school-grid {
    gap: 40px
  }

  .school-grid h2 {
    font-size: 28px
  }

  .school-copy.prose {
    font-size: 14px
  }

  .section {
    padding-block: 64px
  }

  .section-heading h2 {
    font-size: 27px
  }

  .feedback-grid {
    gap: 14px
  }

  .feedback-card {
    padding: 18px
  }

  .faq-grid {
    gap: 30px
  }

  .enrollment-panel {
    padding: 26px
  }

  .news-grid {
    gap: 14px
  }

  .news-grid .card-copy {
    padding: 18px
  }

  .news-grid .content-card h3 {
    font-size: 14px
  }

  .news-grid .card-meta {
    font-size: 9px
  }

  .page-layout,
  .detail-layout {
    grid-template-columns: 1fr
  }

  .page-aside {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start
  }

  .section-nav {
    margin: 0
  }

  .page-aside>.consult-panel {
    padding: 25px
  }

  .contact-layout {
    gap: 22px;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr)
  }

  .contact-layout .reading-panel {
    padding: 26px
  }

  .contact-grid {
    grid-template-columns: 1fr
  }

  .footer-top {
    gap: 50px
  }
}

@media(max-width:600px) {
  html {
    scroll-padding-top: 78px
  }

  .shell {
    width: calc(100% - 36px)
  }

  .preview-bar {
    font-size: 9px;
    line-height: 29px
  }

  .preview-bar .shell {
    gap: 8px
  }

  .header-inner {
    min-height: 70px
  }

  .brand-mark {
    font-size: 25px
  }

  .brand-caption {
    font-size: 8px;
    margin-top: 5px
  }

  .menu-toggle {
    padding: 6px 10px;
    font-size: 11px
  }

  .site-menu {
    padding-inline: 18px
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-block: 38px
  }

  .hero .eyebrow {
    font-size: 8px
  }

  .hero h1 {
    font-size: 39px;
    line-height: 1.3;
    margin-block: 20px
  }

  .hero-description {
    font-size: 14px;
    line-height: 2
  }

  .hero-actions {
    margin-top: 25px;
    gap: 10px
  }

  .hero-actions .button {
    font-size: 12px;
    padding: 12px 17px;
    gap: 15px
  }

  .hero-topics {
    font-size: 8px;
    margin-top: 26px;
    gap: 9px
  }

  .section {
    padding-block: 48px
  }

  .section-heading {
    gap: 17px;
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 24px
  }

  .eyebrow {
    font-size: 9px
  }

  .section-heading h2 {
    font-size: 25px;
    margin-top: 12px
  }

  .section-heading p {
    font-size: 12px;
    line-height: 1.9;
    margin-top: 12px
  }

  .section-heading>.text-link {
    font-size: 11px;
    margin: 0
  }

  .course-grid {
    gap: 12px
  }

  .course-card {
    padding: 18px 16px
  }

  .course-top {
    font-size: 8px
  }

  .course-top b {
    font-size: 16px
  }

  .course-card h3 {
    font-size: 17px
  }

  .course-card p {
    font-size: 11px
  }

  .course-more {
    font-size: 10px;
    padding-top: 22px
  }

  .learning-path {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    padding: 22px;
    margin-top: 22px
  }

  .learning-path>div>span {
    font-size: 20px;
    margin-right: 17px
  }

  .learning-path h3 {
    font-size: 13px
  }

  .learning-path p {
    font-size: 11px;
    margin-top: 8px
  }

  .learning-path>b {
    display: none
  }

  .learning-path>div+div {
    padding-top: 16px;
    border-top: 1px solid var(--line)
  }

  .school-section {
    padding-block: 45px
  }

  .school-grid {
    grid-template-columns: 1fr;
    gap: 24px
  }

  .school-grid h2 {
    font-size: 27px;
    line-height: 1.6;
    margin-top: 12px
  }

  .school-wordmark {
    display: none
  }

  .school-copy.prose {
    padding: 0;
    font-size: 14px;
    line-height: 2
  }

  .school-copy .text-link {
    font-size: 12px;
    margin-top: 12px
  }

  .honor-grid {
    grid-template-columns: 1fr;
    gap: 12px
  }

  .honor-card {
    padding: 21px
  }

  .honor-card h3 {
    font-size: 15px;
    line-height: 1.8;
    margin: 18px 0
  }

  .honor-info {
    font-size: 10px
  }

  .feedback-heading {
    margin-top: 35px;
    margin-bottom: 18px;
    gap: 15px
  }

  .feedback-heading>h3 {
    font-size: 18px
  }

  .feedback-heading .text-link {
    font-size: 10px
  }

  .feedback-grid {
    grid-template-columns: 1fr;
    gap: 16px
  }

  .feedback-card {
    padding: 20px
  }

  .feedback-card p {
    -webkit-line-clamp: 2
  }

  .quote-mark {
    font-size: 36px
  }

  .faq-section {
    padding-block: 45px
  }

  .faq-grid {
    grid-template-columns: 1fr;
    gap: 20px
  }

  .faq-copy.prose h3 {
    font-size: 16px
  }

  .faq-copy.prose p {
    font-size: 12px;
    margin-bottom: 23px
  }

  .enrollment-panel {
    padding: 24px
  }

  .enrollment-panel>h3 {
    font-size: 22px
  }

  .news-grid {
    grid-template-columns: 1fr;
    gap: 18px
  }

  .news-grid .card-copy {
    padding: 22px
  }

  .news-grid .content-card h3 {
    font-size: 16px
  }

  .news-grid .card-meta {
    font-size: 10px
  }

  .recommended-strip {
    flex-direction: column;
    gap: 15px;
    font-size: 12px
  }

  .bottom-consult {
    margin-bottom: 45px
  }

  .consult-panel {
    padding: 28px 24px
  }

  .consult-panel h2 {
    font-size: 24px;
    line-height: 1.6
  }

  .consult-panel p {
    font-size: 12px
  }

  .consult-panel .button {
    font-size: 12px
  }

  .consult-panel>.text-link {
    display: block;
    margin: 18px 0 0
  }

  .site-footer {
    padding-top: 40px
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px
  }

  .footer-top>div>p {
    font-size: 11px
  }

  .footer-contact h2 {
    font-size: 22px
  }

  .footer-contact .phone {
    font-size: 25px
  }

  .footer-contact .text-link {
    font-size: 11px
  }

  .footer-links {
    gap: 12px 22px;
    font-size: 11px;
    margin-top: 30px;
    padding-block: 22px
  }

  .friend-links {
    gap: 12px 18px;
    font-size: 10px
  }

  .footer-bottom {
    align-items: flex-start;
    font-size: 9px;
    line-height: 1.8;
    gap: 12px
  }

  .footer-bottom>span {
    flex-basis: 100%
  }

  .breadcrumbs {
    font-size: 10px;
    gap: 8px;
    padding-top: 22px
  }

  .page-heading {
    padding-top: 30px;
    padding-bottom: 27px
  }

  .page-heading h1 {
    font-size: 29px;
    line-height: 1.5
  }

  .page-heading>p {
    font-size: 12px
  }

  .page-layout,
  .detail-layout {
    gap: 25px;
    margin-bottom: 45px
  }

  .detail-layout {
    margin-top: 25px
  }

  .entry-grid {
    gap: 10px;
    grid-template-columns: 1fr;
    margin-bottom: 22px
  }

  .entry-link {
    padding: 15px 19px;
    font-size: 13px
  }

  .reading-panel {
    padding: 22px 19px
  }

  .content-grid {
    grid-template-columns: 1fr;
    gap: 17px
  }

  .page-aside {
    grid-template-columns: 1fr;
    gap: 20px
  }

  .page-aside>.consult-panel {
    padding: 25px
  }

  .section-nav {
    padding: 8px 20px
  }

  .section-nav a {
    font-size: 12px
  }

  .pagination {
    font-size: 10px;
    gap: 8px
  }

  .pagination a {
    padding: 7px 9px
  }

  .page-total {
    display: none
  }

  .article-heading h1 {
    font-size: 25px;
    line-height: 1.65;
    margin-top: 14px
  }

  .article-meta {
    font-size: 10px;
    gap: 12px
  }

  .article-summary {
    font-size: 12px;
    padding: 14px 16px
  }

  .prose {
    font-size: 15px;
    line-height: 2
  }

  .prose h1 {
    font-size: 24px
  }

  .prose h2 {
    font-size: 21px
  }

  .prose h3 {
    font-size: 18px
  }

  .prose h4,
  .prose h5,
  .prose h6 {
    font-size: 16px
  }

  .prose table {
    font-size: 12px
  }

  .prose td,
  .prose th {
    padding: 10px 12px;
    min-width: 95px
  }

  .prose pre {
    font-size: 11px;
    padding: 17px
  }

  .prose blockquote {
    padding: 14px 17px
  }

  .honor-table th,
  .honor-table td {
    padding: 14px 17px
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 25px;
    margin-bottom: 45px
  }

  .contact-layout .reading-panel {
    padding: 25px 20px
  }

  .reading-panel>h2 {
    font-size: 24px
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 20px
  }

  .contact-item .phone {
    font-size: 25px
  }

  .contact-side .contact-grid {
    grid-template-columns: 1fr
  }

  .public-form label {
    font-size: 12px
  }

  .homework-aside {
    padding: 15px 4px
  }

  .homework-symbol {
    font-size: 65px;
    margin: 20px 0
  }

  .error-page {
    padding-block: 50px 65px
  }

  .error-page h1 {
    font-size: 25px
  }

  .error-page p {
    font-size: 12px
  }

  .error-page .button {
    font-size: 12px;
    padding: 12px 17px
  }

  .empty-state {
    padding: 27px
  }

  .empty-state h2 {
    font-size: 21px
  }
}

@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior: auto
  }

  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important
  }
}

.footer-logo {
  width: 180px;
  max-height: 76px;
  object-fit: contain;
  background: #fff;
  padding: 10px;
  border-radius: 5px;
  margin-bottom: 18px
}

/* 表单状态和当前上传规则保持可读。 */
/* 联系页独立布局：联系方式、老师卡片与地图分区维护。 */
.contact-page {
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  align-items: start;
  gap: 28px
}

.contact-main {
  min-width: 0
}

.contact-main>h2 {
  margin: 14px 0 18px;
  font-size: 32px
}

.contact-lead {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9
}

.contact-page .contact-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin: 30px 0
}

.contact-item .phone {
  display: block;
  font: 600 clamp(20px, 2vw, 27px)/1.6 var(--mono);
  letter-spacing: -.04em
}

.contact-email {
  display: inline-block;
  font-size: 16px;
  overflow-wrap: anywhere;
  line-height: 1.7
}

.contact-email:hover {
  color: var(--accent)
}

.contact-advisors {
  margin: 30px 0 20px
}

.contact-advisors>h3,
.contact-directions>h3 {
  font-size: 17px
}

.contact-advisors>p:not(.copy-status) {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px
}

.contact-teachers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 14px;
  margin-top: 18px
}

.contact-teacher {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel-light)
}

.contact-teacher h4 {
  font-size: 17px
}

.contact-account {
  margin-top: 10px;
  color: var(--muted);
  font: 12px/1.8 var(--mono)
}

.contact-account strong {
  color: var(--text);
  font-size: 17px;
  margin-left: 6px;
  overflow-wrap: anywhere
}

.contact-teacher-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px
}

.qq-chat {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 5px 8px;
  border: 1px solid #c5d8e5;
  border-radius: 5px;
  background: #fff
}

.qq-chat img {
  width: 79px;
  height: 25px;
  object-fit: contain
}

.contact-copy {
  padding: 6px 9px;
  border: 1px solid #3c5269;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font-size: 12px
}

.contact-copy:hover {
  border-color: var(--accent);
  color: var(--accent)
}

.contact-secondary {
  display: block;
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
  overflow-wrap: anywhere
}

.contact-advisors .copy-status {
  min-height: 20px;
  margin-top: 8px;
  color: var(--accent);
  font-size: 12px
}

.contact-address {
  margin-top: 8px
}

.contact-address>p {
  font-size: 15px;
  line-height: 1.9
}

.contact-directions {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line)
}

.contact-directions .prose {
  font-size: 14px;
  color: var(--muted);
  margin-top: 12px
}

.contact-directions .prose>p:last-child {
  margin-bottom: 0
}

.contact-aside {
  display: grid;
  gap: 22px
}

.contact-location {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel)
}

.contact-location>header {
  padding: 24px
}

.contact-location h2 {
  font-size: 25px;
  margin-top: 10px
}

.contact-map-embed,
.contact-map-interactive {
  margin-inline: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #e6edf0
}

.contact-map-interactive {
  position: relative;
  color-scheme: light;
  color: #243447
}

.contact-map-embed iframe,
.contact-map-canvas {
  display: block;
  width: 100%;
  height: 370px;
  max-width: 100%;
  border: 0
}

.contact-map-status {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  padding: 24px;
  background: #e6edf0;
  text-align: center
}

.contact-map-status[hidden] {
  display: none
}

.contact-map-link {
  display: flex;
  padding: 18px 24px;
  font-size: 12px
}

.contact-location>.contact-map {
  margin-bottom: 0
}

.contact-message {
  padding: 28px
}

.contact-message h2 {
  font-size: 24px
}

.contact-message p {
  font-size: 13px
}

.contact-message .button {
  margin-top: 22px
}

@media(max-width:1000px) {
  .contact-page {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 22px
  }

  .contact-page .contact-grid {
    grid-template-columns: 1fr
  }

  .contact-main>h2 {
    font-size: 28px
  }
}

@media(max-width:700px) {
  .contact-page {
    grid-template-columns: 1fr;
    gap: 22px
  }

  .contact-page .contact-grid {
    margin-block: 25px;
    gap: 22px
  }

  .contact-main>h2 {
    font-size: 25px
  }

  .contact-teachers {
    grid-template-columns: 1fr
  }

  .contact-location>header,
  .contact-message {
    padding: 24px
  }

  .contact-map-embed iframe,
  .contact-map-canvas {
    height: 350px
  }

  .contact-address>p {
    font-size: 14px
  }
}

.form-status {
  min-height: 1.8em;
  color: var(--cyan, #54dbea);
  overflow-wrap: anywhere
}

.form-status.is-error,
.field-error {
  color: #ffadaf
}

.public-form small {
  display: block;
  line-height: 1.7;
  overflow-wrap: anywhere
}

.public-form button:disabled {
  cursor: wait;
  opacity: .65
}

.public-form [aria-invalid=true] {
  border-color: #ffadaf
}

/* 编辑器与发布端共用的附件展示及图片说明。 */
.prose a.attachment-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 100%;
  padding: 18px 20px;
  margin: 18px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  text-decoration: none;
  overflow-wrap: anywhere
}

.prose .attachment-card:hover {
  border-color: var(--accent)
}

.prose .attachment-name {
  font-weight: 600
}

.prose .attachment-meta {
  font-size: 12px;
  color: var(--muted)
}

.prose a.attachment-link {
  overflow-wrap: anywhere
}

.prose figure.media-image {
  max-width: 100%;
  margin: 20px 0
}

.prose .media-image img {
  display: inline-block;
  margin: 0;
  max-width: 100%;
  height: auto
}

.prose .image-caption {
  margin-top: 8px;
  text-align: inherit
}

.prose img[align=left] {
  margin-left: 0;
  margin-right: auto
}

.prose img[align=right] {
  margin-left: auto;
  margin-right: 0
}

.prose img,
.prose video,
.prose iframe,
.prose table {
  max-width: 100%
}

.prose p,
.prose div,
.prose figure,
.prose ul,
.prose ol {
  max-width: 100%;
  box-sizing: border-box
}

/* 数字分页、同栏目阅读与直接咨询在桌面和手机共用真实链接。 */
.pagination {
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px
}

.page-window {
  display: inline-flex;
  gap: 6px;
  align-items: center
}

.pagination .page-window a,
.pagination .page-window strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  padding: 8px
}

.page-window strong {
  border-radius: 6px;
  background: var(--accent, #64dce8);
  color: #08101b
}

.page-window-mobile {
  display: none
}

.article-neighbors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid #233344
}

.article-neighbors a {
  min-width: 0;
  display: grid;
  gap: 8px;
  overflow-wrap: anywhere
}

.article-neighbors small {
  color: #91a4b7
}

.direct-consult {
  position: relative;
  flex-shrink: 0;
  margin-left: auto
}

.direct-consult>summary {
  cursor: pointer;
  padding: 10px 14px;
  border: 1px solid #365669;
  border-radius: 6px;
  list-style: none;
  color: #86ebf3
}

.consult-contacts {
  position: absolute;
  right: 0;
  top: 100%;
  z-index: 50;
  width: min(320px, 85vw);
  padding: 20px;
  background: #0c1727;
  border: 1px solid #365669;
  border-radius: 8px;
  box-shadow: 0 15px 55px #0008;
  display: grid;
  gap: 12px;
  max-height: 75vh;
  overflow: auto
}

.consult-contacts section {
  display: grid;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid #233344
}

.consult-contacts button {
  padding: 8px;
  background: #173346;
  color: #c8f5ff;
  border: 1px solid #365669;
  border-radius: 5px;
  cursor: pointer
}

.consult-qr img {
  width: 180px;
  max-width: 100%;
  margin-top: 10px
}

.consult-contacts span {
  overflow-wrap: anywhere
}

.contact-layout .direct-consult {
  margin: 18px 0
}

.contact-layout .consult-contacts {
  right: auto;
  left: 0
}

@media(max-width:700px) {
  .page-window-desktop {
    display: none
  }

  .page-window-mobile {
    display: inline-flex
  }

  .pagination {
    gap: 4px
  }

  .pagination>a {
    padding: 8px
  }

  .page-window {
    gap: 2px
  }

  .pagination .page-window a,
  .pagination .page-window strong {
    min-width: 28px;
    padding: 5px
  }

  .pagination .page-total {
    display: block;
    flex-basis: 100%;
    text-align: center
  }

  .article-neighbors {
    grid-template-columns: 1fr
  }

  .header-inner {
    gap: 8px
  }

  .direct-consult>summary {
    font-size: 12px;
    padding: 8px
  }

  .brand-caption {
    display: none
  }
}

.model-field {
  margin: 1.6rem 0
}

.model-fact {
  display: flex;
  gap: 1rem;
  padding: .7rem 0;
  border-bottom: 1px solid var(--line)
}

.model-fact dt {
  color: var(--muted);
  min-width: 5em
}

.model-fact dd {
  margin: 0;
  overflow-wrap: anywhere
}

.model-image {
  max-width: 100%;
  height: auto
}

.video-panel[hidden] {
  display: none
}

.video-panel video,
.video-panel iframe {
  width: 100%;
  aspect-ratio: 16/9;
  display: block;
  background: #03070e;
  border: 0;
  border-radius: 12px
}

.episode-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: .6rem
}

.episode-list button {
  width: 100%;
  text-align: left;
  padding: .8rem 1rem;
  background: #101c2e;
  color: inherit;
  border: 1px solid #293d57;
  border-radius: 8px;
  cursor: pointer
}

.episode-list button[aria-pressed=true] {
  border-color: #41d5ed;
  color: #80e8f5
}

.episode-list small {
  display: block;
  color: #9aadc4
}

.download-files {
  padding: 0;
  list-style: none
}

.download-files li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid #293d57
}

.download-files p {
  margin: .4rem 0
}

.download-files small {
  color: #9aadc4;
  overflow-wrap: anywhere
}

.content-card .button {
  margin-top: 1rem
}

.video-series h2 {
  font-size: 1.2rem
}

@media(max-width:600px) {
  .episode-list {
    grid-template-columns: 1fr 1fr
  }

  .download-files li {
    align-items: flex-start;
    flex-direction: column
  }

  .download-files .button {
    width: 100%
  }

  .model-fact {
    display: block
  }

  .model-fact dd {
    margin-top: .4rem
  }

  .reading-panel .video-series {
    margin-left: -.3rem;
    margin-right: -.3rem
  }
}

.resource-detail {
  max-width: 1120px;
  padding-bottom: 72px
}

.resource-footer {
  margin-top: 24px
}

.video-cover {
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 30% 30%, #184459, #0b162a);
  aspect-ratio: 16/9
}

.video-cover>span {
  font-size: 2rem;
  color: #73e8ef
}

.video-catalog .card-image {
  aspect-ratio: 16/9
}

.download-catalog .content-grid {
  grid-template-columns: 1fr
}

.download-catalog .content-card {
  display: flex
}

.download-catalog .card-image {
  width: 180px;
  flex: none
}

.download-catalog .card-copy {
  width: 100%
}

.file-meta {
  font-size: .8rem;
  color: var(--muted);
  overflow-wrap: anywhere
}

.download-catalog .card-more {
  margin-top: 16px
}

@media(max-width:600px) {
  .download-catalog .content-card {
    display: block
  }

  .download-catalog .card-image {
    width: 100%
  }

  .resource-detail {
    padding-bottom: 40px
  }
}

.download-files small {
  display: block;
  margin-top: .4rem
}

.card-fact {
  font-size: .86rem
}

.card-fact small {
  color: var(--muted);
  margin-right: .4rem
}

.resource-detail .prose {
  margin-top: 24px
}

/* 视频栏目共用一个播放区，课程目录在桌面独立滚动、手机顺排。 */
.video-catalog {
  padding-bottom: 72px
}

.video-classroom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 20px;
  align-items: start
}

.video-stage {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  overflow: hidden
}

.video-stage .video-panel video,
.video-stage .video-panel iframe {
  border-radius: 0
}

.video-now-playing {
  padding: 24px 24px 20px;
  overflow-wrap: anywhere
}

.video-now-playing h2 {
  font-size: 22px;
  margin-top: 10px;
  line-height: 1.6
}

.video-now-playing p {
  font-size: 13px;
  color: var(--muted);
  margin-top: 12px
}

.video-notes {
  border-top: 1px solid var(--line);
  padding: 0 24px 20px
}

.video-notes>summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 13px;
  padding-top: 17px
}

.video-notes[open]>summary {
  color: var(--accent);
  margin-bottom: 20px
}

.video-notes>.text-link {
  font-size: 12px;
  margin-top: 16px
}

.video-player-missing {
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  background: #03070e;
  color: var(--muted)
}

.video-player-missing>span {
  font-size: 36px;
  color: var(--accent)
}

.video-player-missing>small {
  font-size: 12px
}

.video-directory {
  min-width: 0;
  max-height: clamp(430px, 45vw, 620px);
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden
}

.video-directory>header {
  flex: none;
  padding: 20px;
  border-bottom: 1px solid var(--line)
}

.video-directory>header>div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px
}

.video-directory h2 {
  font-size: 16px
}

.video-directory header span,
.video-directory header p {
  font-size: 11px;
  color: var(--muted)
}

.video-directory header p {
  margin-top: 6px
}

.video-queue {
  list-style: none;
  padding: 8px;
  margin: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: #365064 transparent
}

.video-queue button {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 13px 12px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: var(--text);
  text-align: left;
  line-height: 1.6
}

.video-queue button:hover {
  background: var(--panel-light)
}

.video-queue button:focus-visible {
  outline-offset: -2px
}

.video-queue button[aria-pressed=true] {
  background: #153132;
  border-color: #2a5655;
  color: var(--accent)
}

.queue-order {
  flex: none;
  width: 20px;
  text-align: center;
  font: 12px/1.6 var(--mono);
  color: var(--muted)
}

.queue-copy {
  min-width: 0;
  flex: 1;
  font-size: 13px;
  overflow-wrap: anywhere
}

.queue-copy small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px
}

.queue-playing {
  visibility: hidden;
  flex: none;
  font-size: 10px
}

[aria-pressed=true]>.queue-playing {
  visibility: visible
}

.video-resources {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
  margin-top: 32px;
  align-items: start
}

.video-resources .consult-panel {
  padding: 28px
}

.video-resources .consult-panel h2 {
  font-size: 22px
}

@media(max-width:900px) {
  .video-classroom {
    grid-template-columns: 1fr
  }

  .video-directory {
    max-height: 420px
  }

  .video-resources {
    grid-template-columns: 1fr
  }
}

@media(max-width:600px) {
  .video-catalog {
    padding-bottom: 40px
  }

  .video-classroom {
    gap: 16px
  }

  .video-now-playing {
    padding: 18px 16px
  }

  .video-now-playing h2 {
    font-size: 18px
  }

  .video-notes {
    padding: 0 16px 18px
  }

  .video-directory>header {
    padding: 16px
  }

  .video-queue button {
    padding: 12px 10px
  }

  .video-resources {
    margin-top: 24px
  }
}

/* 下载内容与全部附件在信息流中直接展示。 */
.resource-anchor,
.download-entry {
  scroll-margin-top: 110px
}

.download-feed {
  display: grid;
  gap: 22px
}

.download-entry {
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  min-width: 0
}

.download-entry:target {
  border-color: var(--accent)
}

.download-entry-heading {
  display: flex;
  gap: 18px;
  align-items: flex-start
}

.download-entry-heading>div {
  min-width: 0;
  flex: 1
}

.download-symbol {
  display: grid;
  place-items: center;
  flex: none;
  width: 46px;
  height: 46px;
  border: 1px solid #2a5655;
  border-radius: 10px;
  background: #153132;
  color: var(--accent);
  font-size: 24px
}

.download-entry h2 {
  font-size: 21px;
  line-height: 1.6;
  margin: 8px 0 0;
  overflow-wrap: anywhere
}

.download-entry-heading p {
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
  margin-top: 10px
}

.download-description {
  margin-top: 20px;
  font-size: 14px
}

.download-description p:last-child {
  margin-bottom: 0
}

.download-description img {
  max-height: 220px;
  width: auto !important;
  height: auto !important;
  object-fit: contain;
  object-position: left
}

.download-description p:empty,
.download-description br:has(+br),
.download-description br:last-child {
  display: none
}

.download-attachments {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line)
}

.download-attachments li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line)
}

.download-attachments li:last-child {
  padding-bottom: 0;
  border-bottom: 0
}

.download-attachments li>div {
  min-width: 0;
  overflow-wrap: anywhere
}

.download-attachments strong {
  font-size: 14px;
  font-weight: 500
}

.download-attachments small,
.download-attachments p {
  display: block;
  color: var(--muted);
  font-size: 11px;
  margin-top: 6px
}

.download-attachments .button {
  flex-shrink: 0;
  white-space: nowrap
}

.download-pending {
  color: var(--muted);
  font-size: 13px;
  margin-top: 20px
}

@media(max-width:600px) {
  .download-feed {
    gap: 16px
  }

  .download-entry {
    padding: 20px 16px
  }

  .download-entry-heading {
    gap: 12px
  }

  .download-symbol {
    width: 36px;
    height: 36px;
    font-size: 20px
  }

  .download-entry h2 {
    font-size: 18px
  }

  .download-attachments li {
    flex-direction: column;
    align-items: stretch;
    gap: 14px
  }

  .download-attachments .button {
    justify-content: center
  }

  .download-description {
    font-size: 13px
  }
}

@media(max-width:600px) {
  .carousel-section {
    padding-bottom: 22px
  }

  .carousel-frame {
    border-radius: 9px
  }

  .carousel-controls {
    gap: 10px;
    padding-top: 12px
  }

  .carousel-label {
    font-size: 11px
  }

  .carousel-label>span {
    display: none
  }

  .carousel-pagination {
    gap: 5px
  }

  .carousel-pagination button {
    width: 22px
  }

  .carousel-buttons {
    gap: 5px
  }

  .carousel-buttons>button {
    width: 30px;
    height: 30px;
    font-size: 15px
  }

  .carousel-status {
    margin-right: 4px;
    font-size: 10px;
    min-width: 28px
  }

  .carousel-slide figcaption {
    padding: 16px
  }

  .carousel-slide figcaption h2 {
    font-size: 17px
  }

  .carousel-slide figcaption p {
    font-size: 12px
  }
}

/* 科锐机构荣誉：完整条目在同一页分组，年份可独立展开。 */
.school-honors {
  padding-bottom: 70px
}

.honor-overview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid #294259;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(115deg, #142b3d, #0d1828 65%)
}

.honor-overview>a {
  padding: 26px 32px;
  display: grid;
  gap: 10px;
  transition: background .2s
}

.honor-overview>a+a {
  border-left: 1px solid #294259
}

.honor-overview>a:hover {
  background: #1a354666
}

.honor-overview>a>span {
  font: 10px/1.6 var(--mono);
  letter-spacing: .1em;
  color: var(--accent)
}

.honor-overview strong {
  font-size: 23px;
  font-weight: 500
}

.honor-overview small {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted)
}

.honor-overview b {
  color: var(--accent);
  font-size: 17px;
  font-weight: 400
}

.school-honor-section {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 50px;
  padding: 65px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 110px
}

.school-honor-section>header h2 {
  font-size: 28px;
  font-weight: 500;
  margin-top: 17px
}

.school-honor-section>header p {
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
  margin-top: 18px
}

.honor-section-note {
  display: block;
  font-size: 11px;
  line-height: 1.8;
  color: var(--muted);
  margin-top: 28px
}

.milestone-years {
  border-top: 1px solid var(--line)
}

.milestone-year {
  border-bottom: 1px solid var(--line)
}

.milestone-year>summary {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 8px;
  cursor: pointer;
  list-style: none
}

.milestone-year>summary::-webkit-details-marker {
  display: none
}

.milestone-year>summary strong {
  font: 26px/1.4 var(--mono);
  letter-spacing: -.04em
}

.milestone-year>summary>span {
  font-size: 11px;
  color: var(--muted)
}

.milestone-year>summary>b {
  margin-left: auto;
  color: var(--muted);
  font-size: 18px;
  font-weight: 400;
  transition: transform .2s
}

.milestone-year[open]>summary {
  color: var(--accent)
}

.milestone-year[open]>summary>b {
  transform: rotate(45deg);
  color: var(--accent)
}

.milestone-list {
  margin: 0 8px 20px 15px;
  padding: 0 0 0 23px;
  list-style: none;
  border-left: 1px solid #335263
}

.milestone-list>li {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 20px;
  position: relative;
  padding: 18px 0;
  scroll-margin-top: 120px
}

.milestone-list>li:before {
  content: "";
  position: absolute;
  top: 28px;
  left: -28px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg)
}

.milestone-list time {
  color: var(--muted);
  font-size: 12px;
  padding-top: 3px
}

.milestone-list h3 {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.85;
  letter-spacing: 0
}

.milestone-list h3 a:hover {
  color: var(--accent)
}

.milestone-list p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px
}

.milestone-list .prose {
  margin-top: 12px
}

.school-award-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px 18px;
  align-items: start
}

.school-award {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--panel);
  scroll-margin-top: 120px
}

.school-award-image {
  display: grid;
  place-items: center;
  aspect-ratio: 4/3;
  background: #f0f1f2;
  position: relative;
  padding: 12px
}

.school-award-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  min-height: 0
}

.school-award-image>span {
  position: absolute;
  right: 9px;
  bottom: 9px;
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: #0d1727dd;
  color: #fff;
  font-size: 14px
}

.school-award:hover {
  border-color: #45657b
}

.school-award-caption {
  padding: 16px
}

.school-award h3 {
  font-size: 13px;
  line-height: 1.8;
  font-weight: 500;
  letter-spacing: 0
}

.school-award time,
.school-award p {
  font-size: 11px;
  color: var(--muted);
  margin-top: 8px
}

.school-partner-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  align-items: start
}

.school-partner {
  min-width: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid #dce3ea;
  border-radius: 7px;
  scroll-margin-top: 120px
}

.school-partner>img,
.school-partner>a>img {
  width: 100%;
  aspect-ratio: 1.8;
  object-fit: contain;
  padding: 8px
}

.school-partner>a {
  display: block
}

.school-partner>span,
.school-partner>a>span {
  display: block;
  padding: 18px 10px;
  font-size: 12px;
  color: #26354a;
  text-align: center
}

.school-partner-caption {
  color: #26354a;
  padding: 10px;
  font-size: 11px;
  border-top: 1px solid #dce3ea
}

.school-intro {
  margin-top: 34px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 26px;
  background: var(--panel)
}

.school-intro>header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 22px 0
}

.school-intro>header h2 {
  font-size: 20px;
  font-weight: 500
}

.school-intro>header>span {
  font-size: 11px;
  color: var(--muted)
}

.school-intro>.prose {
  border-top: 1px solid var(--line);
  padding: 25px 0
}

.honor-lightbox {
  width: min(1100px, calc(100% - 40px));
  max-height: 92dvh;
  padding: 48px 24px 20px;
  background: #0d1727;
  color: var(--text);
  border: 1px solid #45657b;
  border-radius: 12px
}

.honor-lightbox::backdrop {
  background: #02060dd9
}

.honor-lightbox>button {
  position: absolute;
  right: 12px;
  top: 10px;
  width: 32px;
  height: 32px;
  border: 1px solid #45657b;
  border-radius: 50%;
  background: transparent;
  color: var(--text);
  font-size: 24px;
  line-height: 1
}

.honor-lightbox img {
  max-height: 75dvh;
  margin: auto;
  object-fit: contain
}

.honor-lightbox figcaption {
  text-align: center;
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted)
}

.honor-preview-image {
  max-height: 600px;
  margin: 24px auto
}

@media(max-width:1000px) {
  .school-honor-section {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 28px
  }

  .school-partner-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr))
  }

  .school-award-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr))
  }

  .honor-overview>a {
    padding: 23px
  }

  .milestone-list>li {
    grid-template-columns: 90px minmax(0, 1fr);
    gap: 12px
  }
}

@media(max-width:600px) {
  .school-honors {
    padding-bottom: 40px
  }

  .honor-overview>a {
    padding: 16px 12px;
    gap: 7px
  }

  .honor-overview>a>span {
    font-size: 7px;
    letter-spacing: 0
  }

  .honor-overview strong {
    font-size: 15px
  }

  .honor-overview small {
    font-size: 10px
  }

  .school-honor-section {
    grid-template-columns: 1fr;
    gap: 25px;
    padding: 36px 0
  }

  .school-honor-section>header h2 {
    font-size: 25px;
    margin-top: 10px
  }

  .school-honor-section>header p {
    font-size: 12px;
    margin-top: 10px
  }

  .school-honor-section>header br {
    display: none
  }

  .honor-section-note {
    margin-top: 12px;
    font-size: 10px
  }

  .milestone-year>summary {
    padding: 18px 4px
  }

  .milestone-year>summary strong {
    font-size: 23px
  }

  .milestone-list>li {
    grid-template-columns: 1fr;
    gap: 7px;
    padding: 15px 0
  }

  .milestone-list>li:before {
    top: 24px
  }

  .milestone-list h3 {
    font-size: 14px
  }

  .milestone-list time {
    font-size: 11px
  }

  .school-award-grid {
    gap: 14px 10px
  }

  .school-award-image {
    padding: 7px
  }

  .school-award-caption {
    padding: 12px
  }

  .school-award h3 {
    font-size: 12px
  }

  .school-partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px
  }

  .school-intro {
    padding: 0 18px
  }

  .school-intro>header h2 {
    font-size: 18px
  }

  .honor-lightbox {
    padding: 45px 12px 16px
  }
}

/* 正文只保存结构；缩进、颜色及尺寸边界由主题统一提供。 */
.prose p {
  text-indent: var(--prose-indent, 2em);
}

.prose :is(li, td, th, figcaption, pre, blockquote) p,
.prose p:has(img, video, iframe, .attachment-card),
.prose :is([align="center"], [align="right"], [style*="text-align: center"], [style*="text-align:center"], [style*="text-align: right"], [style*="text-align:right"]),
.prose :is([align="center"], [align="right"], [style*="text-align: center"], [style*="text-align:center"], [style*="text-align: right"], [style*="text-align:right"]) p {
  text-indent: 0;
}

.prose img {
  height: auto !important;
}

.prose :is(video, iframe, table) {
  max-width: 100%;
}

/* 工作台在平板与手机上保持可读，不通过缩放整张界面挤入窄屏。 */
@media(max-width:1100px) {
  .reverse-lab-panels {
    grid-template-columns: minmax(0, 1fr) 140px
  }

  .asm-line {
    grid-template-columns: 8px 58px 1fr;
    column-gap: 5px;
    padding-inline: 7px
  }

  .asm-address {
    font-size: 9px
  }

  .asm-line code {
    font-size: 11px
  }

  .registers dl {
    margin-inline: 12px
  }

  .reverse-lab-context>span:last-child {
    font-size: 9px
  }

  .flow-node {
    padding: 9px
  }

  .course-visual {
    margin-inline: -18px
  }

  .lab-capabilities small {
    display: none
  }
}

@media(max-width:900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px
  }

  .hero-copy {
    max-width: 620px
  }

  .hero h1 {
    max-width: 11em;
    font-size: 50px
  }

  .hero-workbench {
    width: 100%;
    max-width: 680px
  }

  .reverse-lab-panels {
    grid-template-columns: minmax(0, 1fr) 190px
  }

  .asm-line {
    grid-template-columns: 12px 85px 1fr;
    column-gap: 10px;
    padding-inline: 15px
  }

  .asm-line code {
    font-size: 13px
  }

  .asm-address {
    font-size: 11px
  }

  .reverse-lab-context>span:last-child {
    font-size: 9px
  }
}

@media(max-width:600px) {
  .hero h1 {
    font-size: clamp(32px, 9.5vw, 42px);
    max-width: 10em
  }

  .hero-specialty {
    font-size: 11px;
    margin-top: 13px;
    letter-spacing: .12em
  }

  .hero-topics {
    font-size: 9px;
    margin-top: 22px
  }

  .hero-proof {
    margin-top: 14px
  }

  .workbench-label {
    font-size: 9px
  }

  .reverse-lab-title {
    padding: 12px 11px;
    gap: 7px
  }

  .reverse-lab-title strong {
    font-size: 11px
  }

  .reverse-lab-title strong span {
    font-size: 8px
  }

  .lab-architecture {
    font-size: 8px
  }

  .reverse-lab-context {
    padding-inline: 11px
  }

  .reverse-lab-context>span:last-child {
    font-size: 9px
  }

  .reverse-lab-context b {
    padding-inline: 3px
  }

  .reverse-lab-panels {
    grid-template-columns: 1fr
  }

  .lab-view-tabs {
    padding-inline: 4px
  }

  .lab-view-hint {
    margin-right: 8px;
    font-size: 8px
  }

  .asm-line {
    grid-template-columns: 12px 85px 1fr;
    padding-block: 4px
  }

  .registers {
    border-left: 0;
    border-top: 1px solid var(--line)
  }

  .registers .lab-panel-heading {
    padding-block: 8px 0
  }

  .registers dl {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin: 6px 15px 12px
  }

  .registers dl>div {
    display: block;
    padding: 0;
    border: 0
  }

  .registers dt {
    font-size: 9px
  }

  .registers dd {
    font-size: 10px;
    margin-top: 3px
  }

  .lab-correspondence {
    padding-inline: 11px;
    gap: 4px 8px;
    font-size: 9px
  }

  .lab-correspondence code {
    font-size: 10px
  }

  .lab-correspondence small {
    font-size: 8px
  }

  .register-note {
    display: none
  }

  .flow-nodes {
    padding-inline: 11px;
    grid-template-columns: 1fr 14px 1fr 14px 1fr
  }

  .flow-node {
    padding: 8px 7px
  }

  .flow-node>strong {
    font-size: 11px
  }

  .flow-node>span {
    font-size: 7px
  }

  .flow-node>code {
    font-size: 8px
  }

  .flow-branch {
    margin-block: 7px
  }

  .reverse-lab-controls {
    padding: 11px;
    gap: 8px
  }

  .lab-step-status {
    font-size: 9px
  }

  .lab-step {
    font-size: 10px;
    padding: 7px 9px;
    gap: 7px
  }

  .lab-capabilities {
    grid-template-columns: repeat(2, 1fr)
  }

  .lab-capabilities>span {
    padding-block: 12px;
    font-size: 10px
  }

  .lab-capabilities>span:nth-child(3) {
    border-left: 0
  }

  .lab-capabilities>span:nth-child(n+3) {
    border-top: 1px solid var(--line)
  }

  .carousel-section {
    padding-top: 28px
  }

  .carousel-heading {
    align-items: center
  }

  .carousel-heading>span:last-child {
    font-size: 10px
  }

  .course-visual {
    margin-inline: -18px
  }

  .course-visual svg {
    height: 85px
  }
}

@media(max-width:900px) {
  .carousel-announcement {
    padding: 30px;
    grid-template-columns: 1fr
  }

  .announcement-art {
    display: none
  }
}

@media(max-width:600px) {
  .carousel-announcement {
    padding: 25px 21px;
    min-height: 0
  }

  .announcement-copy h2 {
    font-size: 26px;
    margin-block: 14px
  }

  .announcement-copy p {
    font-size: 12px;
    line-height: 2
  }
}

/* 课程业务结构：官网和后台编辑器共用，配色随主题变量变化。 */
.prose .content-tab-list {
  display: flex;
  gap: 6px;
  margin: 0 0 30px;
  padding: 6px;
  list-style: none;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px
}

.prose .content-tab-list li {
  flex: 1;
  min-width: 0;
  margin: 0
}

.prose .content-tab-list p {
  margin: 0;
  text-indent: 0
}

.prose .content-tab-list a {
  display: block;
  padding: 12px 4px;
  border-radius: 4px;
  text-align: center;
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap
}

.prose .content-tab-list a:hover {
  color: var(--text);
  background: var(--panel-light)
}

.prose .content-tab-list a[aria-selected=true] {
  color: var(--accent);
  background: var(--panel-light);
  box-shadow: inset 0 -2px var(--accent)
}

.prose .content-tab-list a:focus-visible,
.prose .content-tab-panel:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px
}

.prose .content-tab-panel[hidden] {
  display: none
}

.prose .content-tab-panel {
  margin: 0 0 36px;
  scroll-margin-top: 100px
}

.prose .content-tab-panel>h2 {
  margin-top: 0
}

.prose .content-tab-panel>p,
.prose .curriculum-table p {
  text-indent: 0
}

.prose table.curriculum-table {
  display: table;
  width: 100%;
  table-layout: auto;
  font-size: 15px
}

.prose .curriculum-table :is(td, th) {
  min-width: 0;
  padding: 15px 18px;
  text-align: left;
  vertical-align: top
}

.prose .curriculum-table td:first-child:not(:only-child) {
  width: 20%;
  color: var(--accent);
  font-weight: 600
}

.prose .curriculum-table td[rowspan] {
  vertical-align: middle;
  text-align: center
}

.prose .curriculum-table ul {
  padding-left: 1.2em;
  margin: .6em 0
}

.prose .curriculum-table li {
  margin: .25em 0
}

.prose .curriculum-ai,
.prose .curriculum-note {
  padding: 12px 16px;
  margin: 14px 0 0;
  border-left: 2px solid var(--accent);
  background: var(--panel-light);
  font-size: 14px;
  text-indent: 0
}

.prose .content-section {
  padding-block: 32px;
  border-top: 1px solid var(--line)
}

.prose .content-section:first-child {
  padding-top: 0;
  border-top: 0
}

.prose .content-section>h2 {
  margin-top: 0
}

.prose .content-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 28px;
  align-items: start
}

.prose .content-split:has(>figure:last-child) {
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr)
}

.prose :is(.content-split, .content-stage)>figure {
  margin: 0
}

.prose :is(.content-split, .content-stage)>figure img {
  display: block;
  max-width: 100%;
  margin: 0 auto
}

.prose .content-copy> :first-child {
  margin-top: 0
}

.prose .content-copy> :last-child {
  margin-bottom: 0
}

.prose .content-stage {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line)
}

.prose .content-stage:last-child {
  padding-bottom: 0;
  border-bottom: 0
}

.prose .content-stage>figure img {
  width: 120px
}

.prose .content-stage .content-copy>p:first-child {
  color: var(--accent);
  font-weight: 600;
  text-indent: 0
}

.prose .content-promises {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px
}

.prose .content-promises>figure {
  margin: 0;
  padding: 20px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-light);
  text-align: center
}

.prose .content-promises img {
  display: block;
  width: 76px;
  height: 76px !important;
  object-fit: contain;
  margin: 0 auto 14px
}

.prose .content-promises figcaption {
  color: var(--text);
  font-size: 14px;
  line-height: 1.7
}

@media(max-width:700px) {
  .prose .content-tab-list {
    gap: 2px;
    padding: 4px;
    margin-bottom: 24px
  }

  .prose .content-tab-list a {
    font-size: 13px;
    padding: 10px 2px
  }

  .prose table.curriculum-table {
    font-size: 14px
  }

  .prose .curriculum-table :is(td, th) {
    padding: 10px 9px
  }

  .prose .curriculum-table td:first-child:not(:only-child) {
    width: 24%
  }

  .prose .curriculum-ai,
  .prose .curriculum-note {
    padding: 10px;
    font-size: 13px
  }

  .prose .content-split,
  .prose .content-split:has(>figure:last-child) {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px
  }

  .prose .content-split>figure img {
    max-width: min(100%, 300px)
  }

  .prose .content-stage {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px
  }

  .prose .content-stage>figure img {
    width: 80px;
    margin-left: 0
  }

  .prose .content-promises {
    grid-template-columns: repeat(2, minmax(0, 1fr))
  }
}