@font-face {
  font-family: 'Anton';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/Anton-400-latin.v1.woff2') format('woff2');
}
@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/BarlowCondensed-600-latin.v1.woff2') format('woff2');
}
@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('../fonts/BarlowCondensed-800-latin.v1.woff2') format('woff2');
}

:root {
  --bg: #0A0A0A;
  --panel: #141414;
  --line: #2A2A2A;
  --line-strong: #3A3A3A;
  --yellow: #FFE500;
  --purple: #6C4CFF;
  --orange: #FF5C1A;
  --text: #FFFFFF;
  --muted: #A4A4A4;
  --dim: #797979;
  --font-display: 'Anton', 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
  --font-label: 'Barlow Condensed', 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
  --font-sans: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
  --clip-btn: polygon(0 0, 100% 0, 100% 89%, 96% 100%, 0 100%);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important;
}

html {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  max-width: 1440px;
  margin: 0 auto;
}

::selection {
  background: var(--yellow);
  color: #000000;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* Editorial Typography Helpers */
.f-anton {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: -0.04em;
  font-weight: 400;
}

.f-label {
  font-family: var(--font-label);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 600;
}

.f-cn-heavy {
  font-family: var(--font-sans);
  font-weight: 900;
  letter-spacing: -0.02em;
}

/* Cut-corner Buttons & Hard Drop Shadow */
.btn-wrap {
  display: inline-block;
  filter: drop-shadow(0 4px 0 #000000);
  transition: transform 80ms linear, filter 80ms linear;
}

.btn-wrap:hover {
  transform: translateY(3px);
  filter: drop-shadow(0 1px 0 #000000);
}

.btn-cut {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  clip-path: var(--clip-btn);
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-yellow {
  background-color: var(--yellow);
  color: #0A0A0A;
}

.btn-dark {
  background-color: var(--panel);
  color: var(--text);
  border: 1px solid var(--line-strong);
}

.btn-dark:hover {
  border-color: var(--yellow);
  color: var(--yellow);
}

.btn-black {
  background-color: #0A0A0A;
  color: var(--yellow);
}

/* 45-deg Hatch Texture (Strictly localized) */
.hatch-zone {
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 6px,
    #1F1F1F 6px,
    #1F1F1F 7px
  );
}

/* Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 550ms cubic-bezier(.16, 1, .3, 1), transform 550ms cubic-bezier(.16, 1, .3, 1);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Section Index Header Bar */
.sec-bar {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  align-items: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.sec-bar-num {
  padding: 14px 24px;
  border-right: 1px solid var(--line);
  font-family: var(--font-label);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.18em;
  color: var(--yellow);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sec-bar-num::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--yellow);
}

.sec-bar-title {
  padding: 14px 24px;
  font-family: var(--font-label);
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}

.sec-bar-folio {
  padding: 14px 24px;
  border-left: 1px solid var(--line);
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--dim);
}

/* ================= 1. TOP NAVIGATION ================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg);
  border-bottom: 1px solid var(--line);
}

.nav-grid {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: stretch;
  min-height: 68px;
}

.brand-cell {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 28px;
  border-right: 1px solid var(--line);
}

.brand-word {
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--text);
}

.brand-badge {
  background-color: var(--yellow);
  color: #0A0A0A;
  font-family: var(--font-label);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.18em;
  padding: 3px 7px;
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: stretch;
  justify-content: center;
}

.nav-links a {
  display: flex;
  align-items: center;
  padding: 0 26px;
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--muted);
  border-right: 1px solid var(--line);
  position: relative;
  transition: color 80ms linear, background-color 80ms linear;
}

.nav-links a:first-child {
  border-left: 1px solid var(--line);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background-color: var(--panel);
}

.nav-links a.active::after,
.nav-links a:hover::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--yellow);
}

.nav-cta-cell {
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 12px;
}

.nav-cta-cell .btn-cut {
  padding: 9px 18px;
  font-size: 13px;
}

.menu-toggle {
  display: none;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line-strong);
  width: 42px;
  height: 42px;
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.12em;
  cursor: pointer;
}

/* 60px wide x 2px high yellow accent rule under nav */
.nav-accent-line {
  width: 60px;
  height: 2px;
  background-color: var(--yellow);
  margin-left: 28px;
}

/* ================= 2. EDITORIAL COVER HERO ================= */
.hero {
  display: grid;
  grid-template-columns: 64px 1fr 390px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

/* Left Vertical Spine */
.hero-spine {
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0;
  background-color: var(--bg);
}

.spine-vert {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--muted);
  white-space: nowrap;
}

.spine-sq {
  width: 8px;
  height: 8px;
  background-color: var(--yellow);
}

/* Center Cover Area */
.hero-main {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--line);
}

.hero-issue-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 36px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.hero-issue-bar span strong {
  color: var(--yellow);
  font-weight: 800;
}

.hero-cover-body {
  padding: 40px 36px 36px;
}

.hero-role-tag {
  display: inline-block;
  background-color: var(--yellow);
  color: #0A0A0A;
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.08em;
  padding: 6px 18px 6px 14px;
  clip-path: var(--clip-btn);
  margin-bottom: 24px;
}

.hero-title-wrap {
  display: flex;
  align-items: flex-end;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(64px, 14vw, 200px);
  line-height: 0.82;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--text);
}

.hero-title span {
  display: block;
}

/* Coach Stamp Seal beside giant Anton letters */
.coach-stamp {
  border: 2px solid var(--yellow);
  background-color: var(--panel);
  padding: 14px 18px;
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 8px;
}

.coach-stamp-top {
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--yellow);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 4px;
}

.coach-stamp-cn {
  font-size: 28px;
  font-weight: 900;
  line-height: 1;
  color: var(--text);
  letter-spacing: 0.04em;
}

.coach-stamp-sub {
  font-size: 12px;
  color: var(--muted);
  font-weight: 700;
}

.hero-statement {
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 900;
  line-height: 1.45;
  color: var(--text);
  max-width: 660px;
  margin-bottom: 20px;
  border-left: 4px solid var(--yellow);
  padding-left: 18px;
}

.hero-bio-line {
  font-size: 15px;
  color: var(--muted);
  max-width: 640px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

/* Right Column: Dossier + Bottom-Right Editorial Data Strip */
.hero-aside {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: var(--bg);
}

.hero-dossier {
  padding: 28px 28px 24px;
  border-bottom: 1px solid var(--line);
}

.dossier-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.dossier-tag-orange {
  background-color: var(--orange);
  color: #0A0A0A;
  font-family: var(--font-label);
  font-weight: 800;
  font-size: 11px;
  letter-spacing: 0.18em;
  padding: 2px 7px;
}

.dossier-list {
  display: grid;
  gap: 12px;
  font-size: 13px;
}

.dossier-item {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.dossier-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.dossier-k {
  color: var(--dim);
  font-family: var(--font-label);
  letter-spacing: 0.18em;
  font-size: 12px;
}

.dossier-v {
  color: var(--text);
  font-weight: 700;
  line-height: 1.45;
}

/* Bottom-Right Editorial Folio Data Strip */
.hero-data-strip {
  margin-top: auto;
  border-top: 1px solid var(--line);
  background-color: var(--panel);
}

.data-strip-header {
  padding: 10px 28px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--dim);
  text-align: right;
}

.data-strip-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 16px 28px;
  border-bottom: 1px solid var(--line);
  text-align: right;
}

.data-strip-row:last-child {
  border-bottom: none;
}

.data-strip-num {
  font-family: var(--font-display);
  font-size: 38px;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--yellow);
}

.data-strip-label {
  font-size: 14px;
  font-weight: 900;
  color: var(--text);
  letter-spacing: 0.02em;
}

.data-strip-sub {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
  margin-top: 2px;
}

/* ================= 3. HORIZONTAL MARQUEE ================= */
.marquee-bar {
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background-color: var(--bg);
  padding: 16px 0;
  white-space: nowrap;
}

.marquee-track {
  display: inline-flex;
  align-items: center;
  animation: marquee-scroll 20s linear infinite;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 42px);
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--text);
  line-height: 1;
}

.marquee-sq {
  display: inline-block;
  width: 10px;
  height: 10px;
  background-color: var(--yellow);
  margin: 0 28px;
  flex-shrink: 0;
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ================= 4. TABLE OF CONTENTS (3 MAIN LINES) ================= */
.toc-section {
  border-bottom: 1px solid var(--line);
}

.toc-row {
  display: grid;
  grid-template-columns: 110px 280px 1fr 80px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background-color: var(--bg);
  position: relative;
  transition: background-color 80ms linear;
}

.toc-row:last-child {
  border-bottom: none;
}

.toc-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background-color: var(--yellow);
  transition: width 80ms linear;
}

.toc-row:hover {
  background-color: var(--panel);
}

.toc-row:hover::before {
  width: 3px;
}

.toc-num {
  padding: 32px 24px;
  font-family: var(--font-display);
  font-size: 48px;
  line-height: 1;
  color: var(--yellow);
  border-right: 1px solid var(--line);
  text-align: center;
}

.toc-titles {
  padding: 28px 32px;
  border-right: 1px solid var(--line);
}

.toc-cn {
  font-size: 26px;
  font-weight: 900;
  color: var(--text);
  line-height: 1.15;
  margin-bottom: 4px;
}

.toc-en {
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--dim);
  text-transform: uppercase;
}

.toc-desc {
  padding: 28px 36px;
  font-size: 16px;
  color: var(--muted);
}

.toc-arrow {
  padding: 28px 0;
  text-align: center;
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--text);
  border-left: 1px solid var(--line);
  transition: color 80ms linear, transform 80ms linear;
}

.toc-row:hover .toc-arrow {
  color: var(--yellow);
  transform: translateX(4px);
}

/* ================= 5. FEATURED ARTICLES ================= */
.articles-section {
  border-bottom: 1px solid var(--line);
}

.articles-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
}

.articles-intro {
  padding: 36px 28px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: var(--panel);
}

.articles-intro h2 {
  font-size: 32px;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 12px;
}

.articles-intro p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

.editorial-badge-purple {
  display: inline-block;
  align-self: flex-start;
  background-color: var(--purple);
  color: #FFFFFF;
  font-family: var(--font-label);
  font-weight: 800;
  font-size: 11px;
  letter-spacing: 0.18em;
  padding: 3px 8px;
  margin-top: 24px;
}

.article-list {
  display: flex;
  flex-direction: column;
}

.article-item {
  display: grid;
  grid-template-columns: 90px 150px 1fr 130px;
  align-items: baseline;
  padding: 30px 32px;
  border-bottom: 1px solid var(--line);
  transition: background-color 80ms linear;
}

.article-item:last-child {
  border-bottom: none;
}

.article-item:hover {
  background-color: var(--panel);
}

.art-idx {
  font-family: var(--font-label);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.18em;
  color: var(--dim);
}

.art-cat {
  font-family: var(--font-label);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--yellow);
}

.art-main h3 {
  font-size: 22px;
  font-weight: 900;
  color: var(--text);
  margin-bottom: 6px;
  transition: color 80ms linear;
}

.article-item:hover .art-main h3 {
  color: var(--yellow);
}

.art-main p {
  font-size: 14px;
  color: var(--muted);
}

.art-date {
  font-family: var(--font-label);
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--dim);
  text-align: right;
}

/* ================= 6. APP BLOCK (SOLE YELLOW FILL) ================= */
.app-slab {
  background-color: var(--yellow);
  color: #0A0A0A;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 52px 44px;
  gap: 36px;
}

.app-slab-left {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.app-title-line {
  display: flex;
  align-items: baseline;
  gap: 20px;
  flex-wrap: wrap;
}

.app-cn-title {
  font-size: clamp(44px, 6vw, 76px);
  font-weight: 900;
  line-height: 0.95;
  color: #0A0A0A;
  letter-spacing: -0.03em;
}

.app-en-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: #0A0A0A;
}

.app-features {
  font-size: 18px;
  font-weight: 900;
  color: #0A0A0A;
  letter-spacing: 0.04em;
}

.app-subdesc {
  font-size: 14px;
  font-weight: 700;
  color: #141414;
}

.app-slab-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.app-ver {
  font-family: var(--font-label);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.18em;
  color: #0A0A0A;
  border: 1px solid #0A0A0A;
  padding: 2px 10px;
}

/* 指向 App 下载二级页的次级链接（黄底区块内） */
.app-more {
  font-family: var(--font-label);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: #0A0A0A;
  border-bottom: 1px solid rgba(10, 10, 10, 0.45);
  padding-bottom: 2px;
}

.app-more:hover {
  border-bottom-color: #0A0A0A;
}

/* ================= 7. AAAW STRIP ================= */
.aaaw-section {
  border-bottom: 1px solid var(--line);
}

.aaaw-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
}

.aaaw-left {
  padding: 44px 36px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}

.aaaw-kicker {
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--yellow);
  margin-bottom: 8px;
}

.aaaw-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.5vw, 60px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.aaaw-desc {
  font-size: 15px;
  color: var(--muted);
  max-width: 520px;
  line-height: 1.65;
}

.aaaw-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

.prod-cell {
  padding: 30px 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 165px;
  background-color: var(--bg);
  transition: background-color 80ms linear;
}

.prod-cell:nth-child(2n) {
  border-right: none;
}

.prod-cell:nth-child(n+3) {
  border-bottom: none;
}

.prod-cell:hover {
  background-color: var(--panel);
}

.prod-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--dim);
}

.prod-sq {
  width: 6px;
  height: 6px;
  background-color: var(--yellow);
}

.prod-name {
  font-size: 22px;
  font-weight: 900;
  color: var(--text);
  margin-top: 18px;
}

.prod-en {
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-top: 4px;
}

/* ================= 8. FOOTER ================= */
.site-footer {
  background-color: var(--bg);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  border-bottom: 1px solid var(--line);
}

.footer-brand-col {
  padding: 44px 36px;
  border-right: 1px solid var(--line);
}

.footer-giant {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 96px);
  line-height: 0.86;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 16px;
}

.footer-tagline {
  font-size: 15px;
  font-weight: 700;
  color: var(--muted);
}

.footer-links-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.footer-nav-group {
  padding: 44px 32px;
  border-right: 1px solid var(--line);
}

.footer-nav-group:last-child {
  border-right: none;
}

.footer-nav-title {
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--yellow);
  margin-bottom: 18px;
}

.footer-nav-list li {
  margin-bottom: 12px;
}

.footer-nav-list a {
  font-size: 14px;
  color: var(--muted);
  font-weight: 700;
  transition: color 80ms linear;
}

.footer-nav-list a:hover {
  color: var(--yellow);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 36px;
  font-size: 13px;
  color: var(--dim);
  flex-wrap: wrap;
  gap: 12px;
}

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

/* ================= RESPONSIVE BREAKPOINTS ================= */
@media (max-width: 1000px) {
  .hero {
    grid-template-columns: 48px 1fr;
  }
  .hero-main {
    border-right: none;
  }
  .hero-aside {
    grid-column: 1 / -1;
    border-top: 1px solid var(--line);
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .hero-dossier {
    border-bottom: none;
    border-right: 1px solid var(--line);
  }
  .hero-data-strip {
    border-top: none;
  }
  .toc-row {
    grid-template-columns: 84px 220px 1fr 64px;
  }
  .articles-grid {
    grid-template-columns: 1fr;
  }
  .articles-intro {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .aaaw-grid {
    grid-template-columns: 1fr;
  }
  .aaaw-left {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-brand-col {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 720px) {
  .nav-grid {
    grid-template-columns: 1fr auto;
  }
  .nav-links {
    display: none;
    grid-column: 1 / -1;
    flex-direction: column;
    border-top: 1px solid var(--line);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    padding: 15px 24px;
    border-right: none;
    border-left: none !important;
    border-bottom: 1px solid var(--line);
  }
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .sec-bar {
    grid-template-columns: 88px 1fr;
  }
  .sec-bar-folio {
    display: none;
  }
  .hero {
    grid-template-columns: 1fr;
  }
  .hero-spine {
    display: none;
  }
  .hero-issue-bar {
    padding: 12px 20px;
  }
  .hero-cover-body {
    padding: 28px 20px;
  }
  .hero-aside {
    grid-template-columns: 1fr;
  }
  .hero-dossier {
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 24px 20px;
  }
  .toc-row {
    grid-template-columns: 68px 1fr 52px;
  }
  .toc-titles {
    border-right: none;
    padding: 20px 18px 6px;
  }
  .toc-desc {
    grid-column: 2 / 3;
    padding: 0 18px 20px;
    font-size: 14px;
  }
  .toc-num {
    grid-row: 1 / 3;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-size: 36px;
  }
  .toc-arrow {
    grid-column: 3 / 4;
    grid-row: 1 / 3;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .article-item {
    grid-template-columns: 1fr auto;
    gap: 8px;
    padding: 24px 20px;
  }
  .art-main {
    grid-column: 1 / -1;
    order: 2;
  }
  .art-date {
     grid-column: 1 / -1;
    order: 3;
    text-align: left;
  }
  .app-slab {
    grid-template-columns: 1fr;
    padding: 36px 20px;
  }
  .app-slab-right {
    align-items: flex-start;
  }
  .aaaw-right {
    grid-template-columns: 1fr;
  }
  .prod-cell {
    border-right: none !important;
    border-bottom: 1px solid var(--line) !important;
  }
  .prod-cell:last-child {
    border-bottom: none !important;
  }
  .footer-links-col {
    grid-template-columns: 1fr;
  }
  .footer-nav-group {
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 28px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* 声明本站只支持深色，防止手机浏览器「强制深色模式」把亮黄反色成褐色 */
:root{color-scheme:dark only}
/* ===== v2 新增：教学 ACE 块 / 联系块 ===== */
/* 锚点跳转时躲开 71px 的 sticky 顶栏 */
section[id]{scroll-margin-top:86px}
#training .ace-row{display:grid;grid-template-columns:64px 1fr;gap:0 20px;align-items:start;
  padding:20px 0;border-top:1px solid var(--line)}
#training .ace-row:last-of-type{border-bottom:1px solid var(--line)}
#training .ace-key{font-family:'Anton',sans-serif;font-size:46px;line-height:.9;color:var(--yellow);letter-spacing:.02em}
#training .ace-name{font-weight:900;font-size:17px;letter-spacing:-.01em;color:var(--text)}
#training .ace-name small{font-family:'Barlow Condensed',sans-serif;font-size:11px;letter-spacing:.2em;
  color:var(--dim);margin-left:10px;font-weight:600;text-transform:uppercase;vertical-align:2px}
#training .ace-desc{color:var(--muted);font-size:13.5px;line-height:1.8;margin-top:5px;max-width:52em}
#training .ace-lead{font-size:16px;line-height:1.75;color:var(--text);font-weight:600;
  border-left:3px solid var(--yellow);padding:2px 0 2px 16px;margin:0 0 24px;max-width:38em}
#training .ace-tag{display:inline-block;margin-left:8px;padding:1px 7px;border:1px solid var(--line);
  font-size:10.5px;font-weight:700;letter-spacing:.04em;color:var(--yellow);vertical-align:3px;white-space:nowrap}
.training-foot{display:flex;flex-wrap:wrap;gap:8px 26px;padding:18px 0 4px;font-size:13px;color:var(--muted)}
.training-foot b{color:var(--text);font-weight:800}
.contact-section{border-top:1px solid var(--line);margin-top:8px}
.contact-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:0;border-top:1px solid var(--line)}
.c-block{padding:24px 22px}
.c-block + .c-block{border-left:1px solid var(--line)}
.c-h{font-family:'Barlow Condensed',sans-serif;font-size:11px;letter-spacing:.2em;color:var(--dim);
  text-transform:uppercase;margin-bottom:9px}
.c-big{font-size:clamp(18px,2vw,22px);font-weight:900;letter-spacing:-.02em;margin-bottom:7px;color:var(--text)}
.c-line{color:var(--muted);font-size:13.5px;line-height:1.95}
.c-line b{color:var(--text)}
.c-flex{display:flex;gap:18px;align-items:flex-start;flex-wrap:wrap}
.qr-slot{width:122px;height:122px;border:1px dashed var(--line-strong);display:flex;align-items:center;
  justify-content:center;color:var(--dim);font-size:11px;letter-spacing:.08em;text-align:center;line-height:1.7;flex:0 0 auto}
@media (max-width:860px){
  .contact-grid{grid-template-columns:1fr}
  .c-block + .c-block{border-left:0;border-top:1px solid var(--line)}
  #training .ace-row{grid-template-columns:44px 1fr;gap:0 14px}
  #training .ace-key{font-size:34px}
}
/* 手机端横向溢出修复：grid 子项默认 min-width:auto 会被内部不换行文字撑宽 */
@media (max-width:720px){
  .hero-main,.hero-aside,.hero-cover-body,.hero-dossier,.hero-data-strip{min-width:0}
  .hero-issue-bar{flex-wrap:wrap;gap:4px 12px}
  .hero-issue-bar span{white-space:normal;overflow-wrap:anywhere}
  .data-strip-row{flex-wrap:wrap;min-width:0}
  .hero-role-tag{white-space:normal;line-height:1.6}
  .articles-grid,.aaaw-grid,.article-item,.toc-section{min-width:0}
}
.site-name-tag {
  font-family: 'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text);
  white-space: nowrap;
}

@media (max-width: 700px) {
  .hero-issue-bar { flex-wrap: wrap; gap: 6px; }
  .site-name-tag { font-size: 12px; }
}