/* =========================================================
   某某公司 · 职业院校招生服务
   视觉方向：招生档案 × 工程蓝图
   ========================================================= */

/* ---------- 1. Tokens ---------- */
:root {
  --ink: #0b1a22;
  --ink-2: #102a36;
  --ink-3: #1b3a47;
  --paper: #f2f4f0;
  --paper-2: #e7ebe4;
  --white: #fcfdfb;
  --signal: #ff4d1e;
  --signal-deep: #e23a0e;
  --mint: #5fd0b0;
  --muted: #55666b;
  --muted-dark: #9fb0b2;

  --line: rgba(11, 26, 34, 0.14);
  --line-strong: rgba(11, 26, 34, 0.28);
  --line-light: rgba(242, 244, 240, 0.16);
  --line-light-strong: rgba(242, 244, 240, 0.34);

  --f-serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC",
    "SimSun", serif;
  --f-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --f-mono: "SFMono-Regular", "JetBrains Mono", "Roboto Mono", Consolas,
    "Courier New", monospace;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-io: cubic-bezier(0.76, 0, 0.24, 1);

  --wrap: 1320px;
  --gutter: clamp(20px, 4.6vw, 64px);
  --header-h: 78px;
}

/* ---------- 2. Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.78;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

ul,
ol,
dl,
dd {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

::selection {
  background: var(--signal);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

/* 纸张颗粒 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1400;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

/* ---------- 3. Layout utils ---------- */
.container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  padding-block: clamp(72px, 9vw, 128px);
}

.section--tight {
  padding-block: clamp(56px, 6vw, 88px);
}

.section--ink {
  background: var(--ink);
  color: var(--paper);
}

.section--paper2 {
  background: var(--paper-2);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 2000;
  padding: 12px 18px;
  background: var(--signal);
  color: #fff;
  font-size: 13px;
  transform: translateY(-160%);
  transition: transform 0.3s var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

.mono {
  font-family: var(--f-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.kicker::before {
  content: "";
  width: 30px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.section--ink .kicker {
  color: var(--muted-dark);
}

.section-title {
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  text-wrap: balance;
}

.section-title em {
  font-style: normal;
  color: var(--signal);
}

.section-desc {
  max-width: 520px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.9;
}

.section--ink .section-desc {
  color: rgba(242, 244, 240, 0.66);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(24px, 5vw, 80px);
  align-items: end;
  margin-bottom: clamp(40px, 5vw, 64px);
}

.section-head__left .section-title {
  margin-top: 18px;
}

.section-head__right {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding-bottom: 8px;
}

.section-head__right .section-desc {
  margin-left: auto;
}

/* ---------- 4. Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 16px 26px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-size: 14px;
  letter-spacing: 0.06em;
  border-radius: 2px;
  transition: background 0.35s var(--ease), color 0.35s var(--ease),
    border-color 0.35s var(--ease), transform 0.35s var(--ease);
}

.btn svg {
  width: 15px;
  height: 15px;
  transition: transform 0.35s var(--ease);
}

.btn:hover {
  background: var(--ink);
  color: var(--paper);
}

.btn:hover svg {
  transform: translateX(4px);
}

.btn--signal {
  background: var(--signal);
  border-color: var(--signal);
  color: #fff;
}

.btn--signal:hover {
  background: var(--signal-deep);
  border-color: var(--signal-deep);
  color: #fff;
}

.btn--light {
  border-color: var(--line-light-strong);
  color: var(--paper);
}

.btn--light:hover {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--ink);
}

.btn--sm {
  padding: 11px 18px;
  font-size: 13px;
}

.btn--block {
  width: 100%;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 4px;
  font-size: 13.5px;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.text-link svg {
  width: 14px;
  height: 14px;
  transition: transform 0.35s var(--ease);
}

.text-link:hover {
  color: var(--signal);
  border-color: var(--signal);
}

.text-link:hover svg {
  transform: translateX(4px);
}

/* ---------- 5. Page veil ---------- */
.page-veil {
  position: fixed;
  inset: 0;
  z-index: 1600;
  background: var(--ink);
  transform: translateY(100%);
  transition: transform 0.62s var(--ease-io);
  pointer-events: none;
  visibility: hidden;
}

.page-veil::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: var(--signal);
}

.page-veil.is-covering {
  transform: translateY(0);
  pointer-events: auto;
  visibility: visible;
}

/* ---------- 6. Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  --hdr-fg: var(--ink);
  color: var(--hdr-fg);
  background: rgba(242, 244, 240, 0.9);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease),
    color 0.3s var(--ease);
}

.site-header--overlay {
  --hdr-fg: var(--paper);
  background: transparent;
  border-color: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.site-header--overlay.is-scrolled {
  --hdr-fg: var(--ink);
  background: rgba(242, 244, 240, 0.93);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 40px);
  height: var(--header-h);
  max-width: 1440px;
  margin-inline: auto;
  padding-inline: clamp(18px, 3vw, 44px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid currentColor;
}

.brand-mark svg {
  width: 21px;
  height: 21px;
}

.brand-mark::after {
  content: "";
  position: absolute;
  right: -3px;
  bottom: -3px;
  width: 6px;
  height: 6px;
  background: var(--signal);
}

.brand-type b {
  display: block;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.14em;
  line-height: 1.2;
}

.brand-type i {
  display: block;
  margin-top: 3px;
  font-family: var(--f-mono);
  font-style: normal;
  font-size: 8px;
  letter-spacing: 0.2em;
  opacity: 0.55;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.2vw, 32px);
  margin-left: auto;
}

.nav-link {
  position: relative;
  padding: 6px 0;
  font-size: 14px;
  letter-spacing: 0.06em;
  opacity: 0.78;
  transition: opacity 0.25s;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.nav-link:hover {
  opacity: 1;
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
}

.nav-link.is-active {
  opacity: 1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: none;
}

.header-phone {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
  padding-left: 16px;
  border-left: 1px solid var(--line-light-strong);
}

.site-header:not(.site-header--overlay) .header-phone,
.site-header--overlay.is-scrolled .header-phone {
  border-left-color: var(--line);
}

.header-phone span {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  opacity: 0.6;
}

.header-phone b {
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.menu-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  border: 1px solid currentColor;
  border-radius: 2px;
}

.menu-toggle span {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.4s var(--ease), opacity 0.3s;
}

.menu-toggle span:nth-child(1) {
  top: 17px;
}

.menu-toggle span:nth-child(2) {
  top: 24px;
}

body.menu-open .menu-toggle span:nth-child(1) {
  transform: translateY(3.5px) rotate(45deg);
}

body.menu-open .menu-toggle span:nth-child(2) {
  transform: translateY(-3.5px) rotate(-45deg);
}

.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
}

.scroll-progress i {
  display: block;
  width: 0;
  height: 100%;
  background: var(--signal);
}

/* ---------- 7. Mobile menu ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 950;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(var(--header-h) + 40px) var(--gutter) 42px;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-102%);
  transition: transform 0.72s var(--ease-io);
  overflow-y: auto;
  visibility: hidden;
}

.mobile-menu.is-open {
  transform: translateY(0);
  visibility: visible;
}

.mobile-menu__grid {
  display: flex;
  flex-direction: column;
}

.mobile-nav-link {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(242, 244, 240, 0.12);
  font-family: var(--f-serif);
  font-size: clamp(26px, 7.2vw, 38px);
  line-height: 1.3;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

.mobile-menu.is-open .mobile-nav-link {
  opacity: 1;
  transform: none;
  transition-delay: calc(0.12s + var(--i, 0) * 0.055s);
}

.mobile-nav-link span {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.mobile-nav-link.is-active {
  color: var(--signal);
}

.mobile-menu__meta {
  margin-top: 46px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 13px;
  color: rgba(242, 244, 240, 0.62);
}

.mobile-menu__meta a {
  color: var(--paper);
}

.mobile-menu__meta .btn {
  margin-top: 10px;
  align-self: flex-start;
}

body.menu-open {
  overflow: hidden;
}

body.menu-open .site-header {
  --hdr-fg: var(--paper);
  background: transparent;
  border-color: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

/* ---------- 8. Hero ---------- */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 100vh;
  min-height: 100svh;
  padding-top: calc(var(--header-h) + 28px);
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: -6% 0 -6%;
  z-index: 0;
  will-change: transform;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 45%;
  opacity: 0.42;
  filter: saturate(0.62) contrast(1.08);
  transform: scale(1.06);
  animation: heroZoom 16s var(--ease) forwards;
}

@keyframes heroZoom {
  to {
    transform: scale(1);
  }
}

.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
      90deg,
      rgba(5, 14, 19, 0.97) 0%,
      rgba(6, 17, 23, 0.86) 38%,
      rgba(6, 17, 23, 0.32) 100%
    ),
    linear-gradient(0deg, rgba(5, 14, 19, 0.98) 2%, rgba(5, 14, 19, 0) 62%);
}

.hero__grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: linear-gradient(118deg, #000 0 52%, transparent 88%);
  mask-image: linear-gradient(118deg, #000 0 52%, transparent 88%);
  pointer-events: none;
}

.hero__glow {
  position: absolute;
  top: -18vw;
  right: -12vw;
  z-index: 1;
  width: 58vw;
  height: 58vw;
  background: radial-gradient(
    circle,
    rgba(255, 77, 30, 0.2),
    rgba(255, 77, 30, 0) 62%
  );
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: center;
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: clamp(20px, 3vh, 44px) var(--gutter) clamp(34px, 5vh, 66px);
}

.hero-copy {
  position: relative;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  border: 1px solid rgba(242, 244, 240, 0.24);
  border-radius: 999px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: rgba(242, 244, 240, 0.82);
}

.hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 0 rgba(255, 77, 30, 0.6);
  animation: pulse 2.4s infinite;
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 8px rgba(255, 77, 30, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 77, 30, 0);
  }
}

.hero-title {
  margin-top: clamp(20px, 3vh, 30px);
  font-family: var(--f-serif);
  font-weight: 700;
  font-size: clamp(42px, 5.6vw, 82px);
  line-height: 1.14;
  letter-spacing: 0.005em;
}

.hero-title em {
  position: relative;
  display: inline-block;
  font-style: normal;
  color: var(--signal);
}

.hero-title em::after {
  content: "";
  position: absolute;
  left: 2%;
  right: 0;
  bottom: -0.1em;
  height: 0.32em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 18' preserveAspectRatio='none'%3E%3Cpath d='M2 12c46-7 93-9 139-7 45 2 87 6 157 0' fill='none' stroke='%23ff4d1e' stroke-width='3' stroke-linecap='round'/%3E%3C/svg%3E")
    center / 100% 100% no-repeat;
  opacity: 0.9;
}

.hero-lead {
  max-width: 520px;
  margin-top: clamp(20px, 3vh, 30px);
  color: rgba(242, 244, 240, 0.72);
  font-size: 15.5px;
  line-height: 1.92;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: clamp(24px, 4vh, 38px);
}

.hero-actions .btn--light {
  border-color: rgba(242, 244, 240, 0.22);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: clamp(34px, 5vh, 56px);
  padding-top: 22px;
  border-top: 1px solid rgba(242, 244, 240, 0.16);
}

.hero-stats dt {
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  color: rgba(242, 244, 240, 0.5);
  white-space: nowrap;
}

.hero-stats dd {
  margin-top: 6px;
  font-family: var(--f-mono);
  font-size: clamp(23px, 2.3vw, 32px);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.hero-stats dd small {
  font-size: 0.52em;
  margin-left: 2px;
  color: rgba(242, 244, 240, 0.6);
}

/* Hero board */
.hero-board {
  position: relative;
  align-self: center;
  padding: 26px 0 26px 74px;
  perspective: 1200px;
}

.board {
  position: relative;
  transform: rotate(1.2deg);
  transition: transform 0.8s var(--ease);
}

.board:hover {
  transform: rotate(0deg);
}

.board__frame {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border: 1px solid rgba(242, 244, 240, 0.26);
  background: var(--ink-2);
}

.board__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  filter: contrast(1.04) saturate(0.92);
  transition: transform 1.2s var(--ease);
}

.board:hover .board__frame img {
  transform: scale(1.04);
}

.board__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(5, 14, 19, 0.6), transparent 46%);
}

.board__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: rgba(242, 244, 240, 0.7);
}

.crop {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 0 solid var(--signal);
  z-index: 3;
}

.crop--tl {
  top: -5px;
  left: -5px;
  border-top-width: 1px;
  border-left-width: 1px;
}

.crop--tr {
  top: -5px;
  right: -5px;
  border-top-width: 1px;
  border-right-width: 1px;
}

.crop--bl {
  bottom: -5px;
  left: -5px;
  border-bottom-width: 1px;
  border-left-width: 1px;
}

.crop--br {
  bottom: -5px;
  right: -5px;
  border-bottom-width: 1px;
  border-right-width: 1px;
}

.callout {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: rgba(242, 244, 240, 0.68);
  white-space: nowrap;
}

.callout::before {
  content: "";
  width: 46px;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(255, 77, 30, 0) 0%,
    rgba(255, 77, 30, 0.9) 100%
  );
}

.callout::after {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--signal);
}

.callout--1 {
  top: 16%;
  right: calc(100% + 14px);
}

.callout--2 {
  top: 46%;
  right: calc(100% + 14px);
}

.callout--3 {
  bottom: 18%;
  right: calc(100% + 14px);
}

.ticket {
  position: absolute;
  top: 9%;
  right: -16px;
  z-index: 5;
  width: 176px;
  padding: 14px 16px 12px;
  background: var(--paper);
  color: var(--ink);
  border-radius: 2px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.26);
  transform: rotate(3.4deg);
}

.ticket__label {
  font-family: var(--f-mono);
  font-size: 8.5px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.ticket__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-top: 4px;
}

.ticket__num {
  font-family: var(--f-mono);
  font-size: 24px;
  line-height: 1;
}

.ticket__delta {
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--signal);
}

.ticket svg {
  width: 100%;
  height: 26px;
  margin-top: 8px;
}

.ticket__note {
  margin-top: 4px;
  font-family: var(--f-mono);
  font-size: 7.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  opacity: 0.75;
}

/* 印章 */
.seal {
  position: absolute;
  left: -30px;
  top: -38px;
  z-index: 6;
  width: 96px;
  height: 96px;
  animation: sealSpin 38s linear infinite;
}

.seal circle.seal__bg {
  fill: var(--signal);
}

.seal text {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  fill: rgba(255, 255, 255, 0.9);
}

.seal .seal__center {
  font-family: var(--f-serif);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0;
  fill: #fff;
}

@keyframes sealSpin {
  to {
    transform: rotate(360deg);
  }
}

/* 合作院校跑马灯 */
.hero-foot {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(242, 244, 240, 0.14);
  background: rgba(5, 14, 19, 0.55);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  overflow: hidden;
}

.marquee {
  display: flex;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}

.marquee__track {
  display: flex;
  align-items: center;
  flex: none;
  min-width: 100%;
  animation: marquee 42s linear infinite;
}

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

.marquee__track span {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  padding: 15px 22px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: rgba(242, 244, 240, 0.6);
  white-space: nowrap;
}

.marquee__track span::after {
  content: "✳";
  font-size: 12px;
  color: var(--signal);
  opacity: 0.9;
}

@keyframes marquee {
  to {
    transform: translateX(-100%);
  }
}

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 82px;
  z-index: 3;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 8px;
  letter-spacing: 0.2em;
  color: rgba(242, 244, 240, 0.4);
  writing-mode: vertical-rl;
}

.hero__scroll::after {
  content: "";
  width: 1px;
  height: 42px;
  background: linear-gradient(
    180deg,
    rgba(255, 77, 30, 0.9),
    rgba(255, 77, 30, 0)
  );
  animation: scrollLine 2.4s var(--ease) infinite;
}

@keyframes scrollLine {
  0% {
    transform: scaleY(0);
    transform-origin: top;
  }
  50% {
    transform: scaleY(1);
    transform-origin: top;
  }
  51% {
    transform-origin: bottom;
  }
  100% {
    transform: scaleY(0);
    transform-origin: bottom;
  }
}

/* ---------- 9. Home: thesis ---------- */
.thesis {
  overflow: hidden;
}

.thesis-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 96px);
}

.thesis-left {
  position: relative;
}

.thesis-left .section-title {
  margin-top: 18px;
}

.thesis-note {
  position: relative;
  margin-top: clamp(30px, 5vw, 54px);
  padding-left: 20px;
  border-left: 2px solid var(--signal);
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 360px;
}

.thesis-note b {
  display: block;
  margin-bottom: 6px;
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  font-weight: 500;
  color: var(--signal);
}

.thesis-rows {
  border-top: 1px solid var(--line);
}

.mis-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 32px;
  gap: 18px;
  align-items: start;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.35s var(--ease), padding 0.35s var(--ease);
}

.mis-row:hover {
  background: rgba(255, 255, 255, 0.5);
  padding-inline: 16px;
}

.mis-row__num {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--signal);
  padding-top: 4px;
}

.mis-row h3 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.mis-row p {
  margin-top: 7px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 460px;
}

.mis-row__icon {
  justify-self: end;
  color: var(--muted);
  transform: translateY(2px);
  transition: transform 0.35s var(--ease), color 0.35s;
}

.mis-row:hover .mis-row__icon {
  transform: translate(3px, -3px);
  color: var(--signal);
}

.mis-row__icon svg {
  width: 18px;
  height: 18px;
}

/* ---------- 10. Home: services bento ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}

.bento-card {
  position: relative;
  display: flex;
  flex-direction: column;
  grid-column: span 5;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color 0.4s var(--ease), transform 0.5s var(--ease),
    box-shadow 0.5s var(--ease);
}

.bento-card--wide {
  grid-column: span 7;
  flex-direction: row;
}

.bento-card:hover {
  border-color: var(--ink);
  transform: translateY(-4px);
  box-shadow: 0 22px 50px -30px rgba(11, 26, 34, 0.4);
}

.bento-card__media {
  position: relative;
  overflow: hidden;
  flex: none;
  background: var(--ink-2);
}

.bento-card:not(.bento-card--wide) .bento-card__media {
  aspect-ratio: 16 / 9;
  width: 100%;
}

.bento-card--wide .bento-card__media {
  width: 46%;
  min-height: 290px;
}

.bento-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease), filter 0.8s var(--ease);
  filter: saturate(0.9);
}

.bento-card:hover .bento-card__media img {
  transform: scale(1.05);
  filter: saturate(1.05);
}

.bento-card__code {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  padding: 4px 8px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.bento-card__body {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.4vw, 30px);
  flex: 1;
}

.bento-card__body h3 {
  font-family: var(--f-serif);
  font-size: clamp(21px, 2vw, 27px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.bento-card__body p {
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

.bento-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 10px;
}

.bento-tags span {
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.bento-arrow {
  position: absolute;
  right: 20px;
  bottom: 20px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  transition: background 0.35s var(--ease), color 0.35s, border-color 0.35s;
}

.bento-arrow svg {
  width: 14px;
  height: 14px;
}

.bento-card:hover .bento-arrow {
  background: var(--signal);
  border-color: var(--signal);
  color: #fff;
}

.bento-card__body {
  padding-bottom: 62px;
}

/* ---------- 11. Home: process ---------- */
.process {
  position: relative;
  overflow: hidden;
}

.process::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.process > .container {
  position: relative;
  z-index: 1;
}

.process-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(30px, 4vw, 64px);
  align-items: start;
}

.process-list {
  border-top: 1px solid var(--line-light);
}

.process-step {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 19px 0;
  border-bottom: 1px solid var(--line-light);
  text-align: left;
  color: rgba(242, 244, 240, 0.55);
  transition: color 0.35s var(--ease), padding 0.35s var(--ease);
}

.process-step:hover {
  color: var(--paper);
}

.process-step__num {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: inherit;
}

.process-step__name {
  font-family: var(--f-serif);
  font-size: 22px;
  letter-spacing: 0.06em;
}

.process-step__meta {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  opacity: 0.65;
}

.process-step__bar {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 0;
  background: var(--signal);
  transition: width 0.6s var(--ease);
}

.process-step.is-active {
  color: var(--paper);
  padding-left: 12px;
}

.process-step.is-active .process-step__num {
  color: var(--signal);
}

.process-step.is-active .process-step__bar {
  width: 100%;
}

.process-panel {
  position: relative;
}

.process-panel__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--line-light);
  background: var(--ink-2);
}

.process-panel__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.process-panel__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(5, 14, 19, 0.45), transparent 55%);
}

.process-panel__index {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: rgba(242, 244, 240, 0.75);
}

.process-panel__body {
  position: relative;
  z-index: 2;
  width: calc(100% - 28px);
  max-width: 520px;
  margin: -54px 0 0 28px;
  padding: clamp(22px, 2.6vw, 34px);
  background: var(--paper);
  color: var(--ink);
  border-radius: 2px;
  box-shadow: 0 30px 60px -40px rgba(0, 0, 0, 0.6);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.process-panel.is-swapping .process-panel__body,
.process-panel.is-swapping .process-panel__media img {
  opacity: 0;
  transform: translateY(8px);
}

.process-panel__code {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.process-panel__body h3 {
  margin-top: 10px;
  font-family: var(--f-serif);
  font-size: clamp(21px, 2.2vw, 28px);
  font-weight: 700;
  line-height: 1.4;
}

.process-panel__body > p {
  margin-top: 12px;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--muted);
}

.process-points {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.process-points li {
  position: relative;
  padding-left: 18px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink);
}

.process-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--signal);
  transform: rotate(45deg);
}

.process-deliver {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--f-mono);
  font-size: 10px;
  line-height: 1.8;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.process-deliver b {
  color: var(--ink);
  font-weight: 500;
}

/* ---------- 12. Home: majors ---------- */
.majors {
  overflow: hidden;
}

.majors-scroller {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--gutter);
  padding: 4px var(--gutter) 18px;
  scrollbar-width: none;
  cursor: grab;
}

.majors-scroller::-webkit-scrollbar {
  display: none;
}

.majors-scroller.is-dragging {
  cursor: grabbing;
  scroll-snap-type: none;
}

.major-card {
  position: relative;
  flex: 0 0 clamp(248px, 25vw, 322px);
  scroll-snap-align: start;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color 0.4s var(--ease), transform 0.5s var(--ease);
}

.major-card:hover {
  border-color: var(--ink);
  transform: translateY(-5px);
}

.major-card__media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--ink);
}

.major-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.06) brightness(0.92);
  mix-blend-mode: luminosity;
  opacity: 0.92;
  transition: filter 0.8s var(--ease), transform 1s var(--ease),
    mix-blend-mode 0.6s, opacity 0.6s;
}

.major-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--signal);
  mix-blend-mode: color;
  opacity: 0.32;
  transition: opacity 0.7s var(--ease);
  pointer-events: none;
}

.major-card:hover .major-card__media img,
.major-card:focus-within .major-card__media img {
  filter: none;
  mix-blend-mode: normal;
  opacity: 1;
  transform: scale(1.05);
}

.major-card:hover .major-card__media::after,
.major-card:focus-within .major-card__media::after {
  opacity: 0;
}

.major-card__code {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  padding: 4px 8px;
  background: rgba(5, 14, 19, 0.7);
  color: var(--paper);
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.major-card__body {
  position: relative;
  padding: 18px 20px 22px;
}

.major-card__body h3 {
  font-family: var(--f-serif);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.major-card__body p {
  margin-top: 6px;
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.major-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--ink);
}

.major-card__link svg {
  width: 13px;
  height: 13px;
  transition: transform 0.35s var(--ease);
}

.major-card:hover .major-card__link {
  color: var(--signal);
}

.major-card:hover .major-card__link svg {
  transform: translateX(4px);
}

.scroller-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.scroller-btn {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: background 0.3s, color 0.3s, border-color 0.3s, opacity 0.3s;
}

.scroller-btn svg {
  width: 16px;
  height: 16px;
}

.scroller-btn:hover:not(:disabled) {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.scroller-btn:disabled {
  opacity: 0.28;
  cursor: not-allowed;
}

.scroller-nav__hint {
  margin-left: 8px;
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* ---------- 13. Home: season ---------- */
.season {
  position: relative;
  background: var(--ink-2);
  color: var(--paper);
  overflow: hidden;
}

.season::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 78% 18%,
    rgba(255, 77, 30, 0.16),
    transparent 58%
  );
  pointer-events: none;
}

.season > .container {
  position: relative;
  z-index: 1;
}

.season-head {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(24px, 5vw, 80px);
  align-items: end;
  margin-bottom: clamp(34px, 5vw, 56px);
}

.season-title {
  margin-top: 18px;
  font-family: var(--f-serif);
  font-size: clamp(32px, 3.8vw, 54px);
  font-weight: 700;
  line-height: 1.18;
  text-wrap: balance;
}

.season-title em {
  font-style: normal;
  color: var(--signal);
}

.season-desc {
  max-width: 420px;
  margin-left: auto;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(242, 244, 240, 0.62);
}

.phase-bar {
  display: flex;
  gap: 4px;
  margin-top: 8px;
}

.phase {
  position: relative;
  flex: var(--flex, 1);
  padding: 20px 16px 18px;
  background: rgba(242, 244, 240, 0.05);
  border-top: 2px solid rgba(242, 244, 240, 0.16);
  overflow: hidden;
  transition: background 0.4s;
}

.phase::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.2s var(--ease);
}

.js .phase::before {
  transition-delay: calc(var(--i, 0) * 0.12s);
}

.phase.is-visible::before {
  transform: scaleX(1);
}

.phase:hover {
  background: rgba(242, 244, 240, 0.09);
}

.phase__days {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--signal);
}

.phase h3 {
  margin-top: 8px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.phase p {
  margin-top: 4px;
  font-size: 11.5px;
  line-height: 1.65;
  color: rgba(242, 244, 240, 0.5);
}

.phase__tick {
  position: absolute;
  right: 12px;
  top: 14px;
  font-family: var(--f-mono);
  font-size: 8.5px;
  color: rgba(242, 244, 240, 0.32);
}

.season-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 42px;
  background: rgba(242, 244, 240, 0.14);
  border: 1px solid rgba(242, 244, 240, 0.14);
}

.season-stat {
  padding: 24px 22px;
  background: var(--ink-2);
}

.season-stat dt {
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  color: rgba(242, 244, 240, 0.48);
}

.season-stat dd {
  margin-top: 10px;
  font-family: var(--f-mono);
  font-size: clamp(26px, 2.8vw, 38px);
  line-height: 1;
}

.season-stat dd small {
  font-size: 0.45em;
  color: rgba(242, 244, 240, 0.55);
  margin-left: 3px;
}

.season-note {
  margin-top: 14px;
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  color: rgba(242, 244, 240, 0.38);
}

/* ---------- 14. Home: cases ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.case-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color 0.4s, transform 0.5s var(--ease);
}

.case-card:hover {
  border-color: var(--ink);
  transform: translateY(-5px);
}

.case-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--ink);
}

.case-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05) brightness(0.9);
  mix-blend-mode: luminosity;
  opacity: 0.94;
  transition: filter 0.8s var(--ease), transform 1s var(--ease),
    mix-blend-mode 0.6s, opacity 0.6s;
}

.case-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--signal);
  mix-blend-mode: color;
  opacity: 0.34;
  transition: opacity 0.7s var(--ease);
}

.case-card:hover .case-card__media img {
  filter: none;
  mix-blend-mode: normal;
  opacity: 1;
  transform: scale(1.05);
}

.case-card:hover .case-card__media::after {
  opacity: 0;
}

.case-card__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  padding: 4px 9px;
  background: rgba(5, 14, 19, 0.72);
  border: 1px solid rgba(242, 244, 240, 0.2);
  color: var(--paper);
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.case-card__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px;
  flex: 1;
}

.case-card__body h3 {
  font-family: var(--f-serif);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.45;
}

.case-card__body > p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.case-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.case-metrics dt {
  font-family: var(--f-mono);
  font-size: 8.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.case-metrics dd {
  margin-top: 2px;
  font-family: var(--f-mono);
  font-size: 19px;
  line-height: 1.2;
}

.case-metrics dd span {
  font-size: 0.55em;
  color: var(--signal);
  margin-left: 3px;
}

/* ---------- 15. Home: quote ---------- */
.quote-section {
  background: var(--paper-2);
  overflow: hidden;
}

.quote-wrap {
  display: grid;
  grid-template-columns: minmax(0, 0.55fr) minmax(0, 1.45fr);
  gap: clamp(28px, 5vw, 80px);
  align-items: start;
}

.quote-side .kicker {
  margin-bottom: 16px;
}

.quote-side p {
  max-width: 260px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}

.quote-deck {
  position: relative;
  min-height: 250px;
}

.quote-item {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  pointer-events: none;
}

.quote-item.is-active {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.quote-item blockquote {
  margin: 0;
  font-family: var(--f-serif);
  font-size: clamp(22px, 2.6vw, 34px);
  font-weight: 700;
  line-height: 1.65;
  letter-spacing: 0.01em;
}

.quote-item blockquote i {
  font-style: normal;
  color: var(--signal);
}

.quote-item footer {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12.5px;
  color: var(--muted);
}

.quote-item footer::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--line-strong);
}

.quote-item footer b {
  color: var(--ink);
  font-weight: 600;
}

.quote-nav {
  position: absolute;
  right: 0;
  bottom: 0;
  display: flex;
  gap: 6px;
}

.quote-dot {
  width: 26px;
  height: 26px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 50%;
  display: grid;
  place-items: center;
}

.quote-dot::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line-strong);
  transition: background 0.3s, transform 0.3s;
}

.quote-dot.is-active {
  border-color: var(--ink);
}

.quote-dot.is-active::after {
  background: var(--signal);
  transform: scale(1.2);
}

/* ---------- 16. Home: news ---------- */
.news-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(24px, 4vw, 56px);
}

.news-feature {
  position: relative;
  display: block;
}

.news-feature__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--ink);
}

.news-feature__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease), filter 0.6s;
  filter: saturate(0.85);
}

.news-feature:hover .news-feature__media img {
  transform: scale(1.04);
  filter: saturate(1);
}

.news-feature__cat {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 10px;
  background: var(--signal);
  color: #fff;
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.news-feature h3 {
  max-width: 560px;
  margin-top: 20px;
  font-family: var(--f-serif);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  line-height: 1.5;
  transition: color 0.3s;
}

.news-feature:hover h3 {
  color: var(--signal);
}

.news-feature p {
  max-width: 520px;
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

.news-list {
  border-top: 1px solid var(--line);
}

.news-item {
  display: grid;
  grid-template-columns: 84px 1px minmax(0, 1fr) 18px;
  gap: 16px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  transition: padding 0.35s var(--ease), color 0.35s;
}

.news-item:hover {
  padding-left: 10px;
  color: var(--signal);
}

.news-item time {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.news-item__rule {
  width: 1px;
  height: 28px;
  background: var(--line);
}

.news-item h4 {
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.6;
}

.news-item__cat {
  display: block;
  margin-top: 3px;
  font-family: var(--f-mono);
  font-size: 8.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.news-item svg {
  width: 16px;
  height: 16px;
  color: var(--muted);
}

/* ---------- 17. Home: CTA ---------- */
.cta {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
  padding-block: clamp(64px, 8vw, 110px);
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse at 30% 40%, #000, transparent 72%);
  mask-image: radial-gradient(ellipse at 30% 40%, #000, transparent 72%);
}

.cta::after {
  content: "";
  position: absolute;
  right: -10%;
  bottom: -45%;
  width: 48vw;
  height: 48vw;
  background: radial-gradient(
    circle,
    rgba(255, 77, 30, 0.22),
    transparent 62%
  );
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(30px, 5vw, 80px);
  align-items: end;
}

.cta-title {
  margin-top: 18px;
  font-family: var(--f-serif);
  font-size: clamp(32px, 4vw, 58px);
  font-weight: 700;
  line-height: 1.18;
  text-wrap: balance;
}

.cta-title em {
  font-style: normal;
  color: var(--signal);
}

.cta-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  padding-bottom: 6px;
}

.cta-actions .btn {
  min-width: 220px;
}

.cta-phone {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(242, 244, 240, 0.6);
}

.cta-phone b {
  display: block;
  margin-top: 3px;
  font-size: 20px;
  font-weight: 500;
  color: var(--paper);
  letter-spacing: 0.04em;
}

/* ---------- 18. Footer ---------- */
.site-footer {
  background: var(--ink-2);
  color: var(--paper);
  padding-top: clamp(56px, 6vw, 84px);
  overflow: hidden;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(2, minmax(0, 0.7fr)) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 64px);
  padding-bottom: 52px;
  border-bottom: 1px solid var(--line-light);
}

.footer-brand .brand {
  color: var(--paper);
}

.footer-brand p {
  max-width: 320px;
  margin-top: 18px;
  font-size: 13px;
  line-height: 1.9;
  color: rgba(242, 244, 240, 0.55);
}

.footer-channel {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer-channel a {
  padding: 6px 11px;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: rgba(242, 244, 240, 0.62);
  transition: border-color 0.3s, color 0.3s;
}

.footer-channel a:hover {
  border-color: var(--signal);
  color: var(--paper);
}

.footer-col h4 {
  font-family: var(--f-mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: rgba(242, 244, 240, 0.42);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 18px;
}

.footer-col a {
  font-size: 13px;
  color: rgba(242, 244, 240, 0.72);
  transition: color 0.25s, padding-left 0.25s;
}

.footer-col a:hover {
  color: var(--signal);
  padding-left: 4px;
}

.footer-contact p {
  margin-top: 16px;
  font-size: 11px;
  line-height: 1.8;
  color: rgba(242, 244, 240, 0.42);
}

.footer-contact a,
.footer-contact b {
  display: block;
  margin-top: 2px;
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.footer-word {
  display: block;
  margin: 34px 0 0;
  font-family: var(--f-serif);
  font-size: clamp(54px, 12.4vw, 168px);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: 0.06em;
  color: rgba(242, 244, 240, 0.07);
  white-space: nowrap;
  -webkit-user-select: none;
  user-select: none;
  pointer-events: none;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 22px 0 26px;
  border-top: 1px solid var(--line-light);
  font-size: 10.5px;
  color: rgba(242, 244, 240, 0.38);
}

.footer-bottom div {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

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

/* ---------- 19. Mobile bar & misc ---------- */
.mobile-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 800;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  background: rgba(11, 26, 34, 0.95);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(242, 244, 240, 0.12);
}

.mobile-bar__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 10px;
}

.mobile-bar .btn {
  padding: 12px 10px;
  font-size: 12.5px;
  gap: 8px;
  border-color: rgba(242, 244, 240, 0.28);
  color: var(--paper);
}

.mobile-bar .btn--signal {
  border-color: var(--signal);
}

.to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 700;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(242, 244, 240, 0.86);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--ink);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.35s, visibility 0.35s, transform 0.35s, background 0.3s;
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.to-top:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.to-top svg {
  width: 15px;
  height: 15px;
}

/* ---------- 20. Reveal ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--delay, 0s);
}

.js [data-reveal="left"] {
  transform: translateX(-30px);
}

.js [data-reveal="scale"] {
  transform: scale(0.97);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 21. Responsive ---------- */
@media (max-width: 1180px) {
  .header-phone {
    display: none;
  }

  .nav {
    gap: 18px;
  }

  .bento-card,
  .bento-card--wide {
    grid-column: span 6;
  }

  .bento-card--wide {
    flex-direction: column;
  }

  .bento-card--wide .bento-card__media {
    width: 100%;
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .callout {
    display: none;
  }

  .hero-board {
    padding-left: 0;
  }
}

@media (max-width: 1024px) {
  .nav {
    display: none;
  }

  .header-actions {
    margin-left: auto;
  }

  .menu-toggle {
    display: block;
  }

  .header-actions .btn {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-h) + 36px);
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: 44px;
    align-items: start;
  }

  .hero__scroll {
    display: none;
  }

  .hero-board {
    width: min(100%, 440px);
    margin-inline: auto;
    padding-bottom: 46px;
  }

  .hero-stats {
    margin-top: 32px;
  }

  .section-head,
  .season-head,
  .quote-wrap,
  .cta-inner,
  .thesis-grid {
    grid-template-columns: 1fr;
  }

  .section-head__right,
  .season-desc {
    margin-left: 0;
  }

  .section-head__right .section-desc {
    margin-left: 0;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .process-panel__body {
    width: calc(100% - 20px);
    margin-left: 20px;
  }

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

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

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

  .quote-nav {
    top: auto;
    bottom: 0;
  }

  .quote-deck {
    min-height: 260px;
  }
}

@media (max-width: 860px) {
  :root {
    --header-h: 64px;
  }

  body {
    font-size: 15px;
  }

  .mobile-bar {
    display: block;
  }

  body {
    padding-bottom: calc(62px + env(safe-area-inset-bottom));
  }

  .to-top {
    display: none;
  }

  .hero {
    padding-top: calc(var(--header-h) + 24px);
  }

  .hero-title {
    font-size: clamp(36px, 9.4vw, 52px);
  }

  .hero-lead {
    font-size: 14.5px;
  }

  .hero-actions {
    gap: 10px;
  }

  .hero-actions .btn {
    flex: 1;
    min-width: 0;
    padding: 14px 12px;
    font-size: 13px;
    gap: 8px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 18px;
  }

  .hero-board {
    width: 100%;
    max-width: 380px;
  }

  .board__frame {
    aspect-ratio: 4 / 4.4;
  }

  .ticket {
    width: 150px;
    right: 0;
    top: 4%;
    padding: 11px 12px 9px;
  }

  .ticket__num {
    font-size: 20px;
  }

  .seal {
    width: 68px;
    height: 68px;
    left: -8px;
    top: -24px;
  }

  .hero-foot .marquee__track span {
    padding: 12px 16px;
    font-size: 9px;
  }

  .section {
    padding-block: 64px;
  }

  .mis-row {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
    padding: 20px 0;
  }

  .mis-row__icon {
    display: none;
  }

  .mis-row h3 {
    font-size: 18px;
  }

  .bento {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .bento-card,
  .bento-card--wide {
    grid-column: span 12;
    flex-direction: column;
  }

  .bento-card--wide .bento-card__media,
  .bento-card:not(.bento-card--wide) .bento-card__media {
    width: 100%;
    aspect-ratio: 16 / 9;
    min-height: 0;
  }

  .process-step {
    padding: 14px 0;
  }

  .process-step__name {
    font-size: 18px;
  }

  .process-panel__body {
    margin-top: -34px;
    width: 100%;
    margin-left: 0;
    padding: 20px;
  }

  .major-card {
    flex-basis: 74vw;
  }

  .majors-scroller {
    gap: 12px;
  }

  .scroller-nav__hint {
    display: none;
  }

  .phase-bar {
    flex-wrap: wrap;
    gap: 6px;
  }

  .phase {
    flex: 1 1 44%;
    padding: 14px 12px;
  }

  .season-title {
    font-size: clamp(27px, 7.4vw, 34px);
  }

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

  .season-stat {
    padding: 18px 16px;
  }

  .case-grid {
    grid-template-columns: 1fr;
  }

  .quote-deck {
    min-height: 320px;
  }

  .news-item {
    grid-template-columns: 66px 1px minmax(0, 1fr);
    gap: 12px;
  }

  .news-item svg {
    display: none;
  }

  .news-item h4 {
    font-size: 14px;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-bottom: 38px;
  }

  .footer-word {
    font-size: 22vw;
    letter-spacing: 0;
  }

  .footer-bottom {
    font-size: 9.5px;
  }

  .section-head {
    margin-bottom: 34px;
  }

  .section-title {
    font-size: clamp(27px, 7vw, 38px);
  }

  .section-desc {
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .hero-eyebrow {
    font-size: 9px;
    letter-spacing: 0.1em;
  }

  .hero-title {
    font-size: 35px;
  }

  .hero-board {
    max-width: 100%;
  }

  .seal {
    width: 76px;
    height: 76px;
  }

  .ticket {
    width: 132px;
  }

  .ticket svg {
    display: none;
  }

  .section {
    padding-block: 56px;
  }

  .phase {
    flex-basis: 100%;
  }

  .quote-item blockquote {
    font-size: 21px;
  }

  .quote-deck {
    min-height: 300px;
  }
}

/* 触屏设备：不使用双色叠印，保证图片清晰可读 */
@media (hover: none) {
  .major-card__media img,
  .case-card__media img {
    filter: none;
    mix-blend-mode: normal;
    opacity: 1;
  }

  .major-card__media::after,
  .case-card__media::after {
    display: none;
  }
}

/* ---------- 22. Motion preference ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .hero__bg img {
    transform: none;
  }

  .hero__bg {
    transform: none !important;
  }
}