/* ==========================================================================
   商学通 · 校园服务平台官网
   设计系统：科技蓝 + 亮青 / 白底大字 / 圆角卡片
   ========================================================================== */

:root {
  --ink: #071a33;
  --ink-2: #0d2a4e;
  --navy: #123a6b;
  --blue: #1a5ce6;
  --blue-600: #1450cc;
  --cyan: #00c9b7;
  --cyan-2: #7fe9de;
  --cyan-soft: #e7fbf8;
  --blue-soft: #edf3fe;

  --bg: #ffffff;
  --bg-soft: #f5f8fc;
  --bg-soft-2: #eef3fa;
  --line: #e2e9f4;
  --line-strong: #cfdaea;

  --text: #2c3e56;
  --muted: #6b7f99;
  --white: #ffffff;

  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 2px rgba(10, 27, 51, 0.04), 0 4px 14px rgba(10, 27, 51, 0.05);
  --shadow-md: 0 10px 34px rgba(10, 27, 51, 0.09);
  --shadow-lg: 0 24px 60px rgba(10, 27, 51, 0.14);

  --max: 1180px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main,
.section,
.container,
.hero__inner,
.split,
.grid {
  min-width: 0;
}

h1, h2, h3, h4, h5 {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

p {
  margin: 0;
}

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

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

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

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

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

/* ---------- layout ---------- */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 104px 0;
}

.section--tight {
  padding: 76px 0;
}

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

.section--ink {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.78);
}

.section--ink h1,
.section--ink h2,
.section--ink h3 {
  color: #fff;
}

/* ---------- section head ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 18px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--cyan);
  border-radius: 2px;
}

.section-head {
  max-width: 720px;
  margin-bottom: 56px;
}

.section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head--center .eyebrow {
  justify-content: center;
}

.section-head h2 {
  font-size: clamp(28px, 3.4vw, 42px);
  letter-spacing: -0.02em;
}

.section-head p {
  margin-top: 18px;
  font-size: 17px;
  color: var(--muted);
  line-height: 1.8;
}

.section--ink .section-head p {
  color: rgba(255, 255, 255, 0.62);
}

.section--ink .eyebrow {
  color: var(--cyan-2);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 50px;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.2s var(--ease), background 0.2s, box-shadow 0.2s,
    color 0.2s, border-color 0.2s;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 8px 22px rgba(26, 92, 230, 0.28);
}

.btn--primary:hover {
  background: var(--blue-600);
  box-shadow: 0 12px 30px rgba(26, 92, 230, 0.34);
}

.btn--cyan {
  background: var(--cyan);
  color: #04302c;
  box-shadow: 0 8px 22px rgba(0, 201, 183, 0.3);
}

.btn--cyan:hover {
  background: #00b8a8;
  box-shadow: 0 12px 30px rgba(0, 201, 183, 0.38);
}

.btn--ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}

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

.btn--ghost-light {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
}

.btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--sm {
  height: 42px;
  padding: 0 20px;
  font-size: 14px;
}

.btn__arrow {
  width: 16px;
  height: 16px;
  transition: transform 0.2s var(--ease);
}

.btn:hover .btn__arrow {
  transform: translateX(3px);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--blue);
}

.link-arrow svg {
  width: 15px;
  height: 15px;
  transition: transform 0.2s var(--ease);
}

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

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 4px 24px rgba(10, 27, 51, 0.05);
}

.nav {
  display: flex;
  align-items: center;
  gap: 40px;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}

.brand__mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: linear-gradient(140deg, var(--blue), #0a3fae 55%, var(--cyan));
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.03em;
  box-shadow: 0 6px 16px rgba(26, 92, 230, 0.3);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.brand__sub {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav__link {
  position: relative;
  padding: 9px 15px;
  border-radius: 9px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: color 0.18s, background 0.18s;
}

.nav__link:hover {
  color: var(--blue);
  background: var(--blue-soft);
}

.nav__link.is-active {
  color: var(--blue);
  font-weight: 600;
}

.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 18px;
}

.nav__toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.nav__toggle span {
  display: block;
  width: 18px;
  height: 1.8px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.2s;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.72);
  padding: 96px 0 0;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  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;
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 78%);
}

.hero__glow {
  position: absolute;
  width: 720px;
  height: 720px;
  right: -180px;
  top: -320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 201, 183, 0.18), transparent 62%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 64px;
  align-items: center;
  padding-bottom: 88px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 34px;
  padding: 0 15px 0 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 26px;
}

.hero__badge b {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--cyan);
  color: #04302c;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.hero h1 {
  color: #fff;
  font-size: clamp(34px, 4.4vw, 56px);
  line-height: 1.18;
  letter-spacing: -0.025em;
  font-weight: 700;
  text-wrap: balance;
}

.hero h1 .hl {
  position: relative;
  color: var(--cyan-2);
  white-space: nowrap;
}

.hero__desc {
  margin-top: 24px;
  font-size: 17.5px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.68);
  max-width: 540px;
  text-wrap: pretty;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  margin-top: 30px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

.hero__trust span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero__trust svg {
  width: 15px;
  height: 15px;
  color: var(--cyan);
  flex-shrink: 0;
}

/* ---------- phone mockup ---------- */
.stage {
  position: relative;
  height: 556px;
  display: grid;
  place-items: center;
}

.phone {
  position: relative;
  width: 246px;
  height: 540px;
  border-radius: 34px;
  background: #0b1f3a;
  border: 1px solid rgba(255, 255, 255, 0.13);
  padding: 9px;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.45);
}

.phone--back {
  position: absolute;
  transform: translate(88px, 30px) rotate(6deg) scale(0.88);
  opacity: 0.42;
  filter: saturate(0.7);
}

.phone__screen {
  width: 100%;
  height: 100%;
  border-radius: 26px;
  background: #f4f7fc;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

.phone__notch {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 74px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.35);
  z-index: 3;
}

.p-top {
  padding: 26px 16px 14px;
  background: linear-gradient(150deg, #1a5ce6, #0b3aa8 60%, #0a2b7a);
  color: #fff;
}

.p-top__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  opacity: 0.75;
}

.p-top__title {
  margin-top: 12px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.35;
}

.p-top__sub {
  margin-top: 5px;
  font-size: 10.5px;
  opacity: 0.7;
}

.p-search {
  margin-top: 13px;
  height: 30px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  display: flex;
  align-items: center;
  padding: 0 11px;
  gap: 7px;
  font-size: 10.5px;
  color: rgba(255, 255, 255, 0.8);
}

.p-search i {
  width: 9px;
  height: 9px;
  border: 1.5px solid rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  display: block;
  position: relative;
  flex-shrink: 0;
}

.p-search i::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -3px;
  width: 5px;
  height: 1.5px;
  background: rgba(255, 255, 255, 0.85);
  transform: rotate(45deg);
  border-radius: 2px;
}

.p-body {
  flex: 1;
  padding: 11px 10px;
  background: #f4f7fc;
  overflow: hidden;
}

.p-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px 5px;
  background: #fff;
  border-radius: 13px;
  padding: 11px 8px;
}

.p-grid__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 8.5px;
  color: #44566e;
  line-height: 1.2;
}

.p-grid__ico {
  width: 27px;
  height: 27px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
}

.p-card {
  margin-top: 9px;
  background: #fff;
  border-radius: 13px;
  padding: 10px 12px;
}

.p-card__hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 10.5px;
  font-weight: 600;
  color: #14243c;
}

.p-card__hd em {
  font-style: normal;
  font-size: 8.5px;
  color: #93a3b8;
  font-weight: 400;
}

.p-row {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 6px 0;
  border-bottom: 1px solid #f0f4fa;
}

.p-row:last-child {
  border-bottom: 0;
  padding-bottom: 2px;
}

.p-row__dot {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  background: #e7fbf8;
  display: grid;
  place-items: center;
  font-size: 9px;
  color: #00867a;
  font-weight: 700;
  flex-shrink: 0;
}

.p-row__txt {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.p-row__t {
  display: block;
  font-size: 9.5px;
  color: #22344c;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.p-row__d {
  display: block;
  font-size: 8px;
  color: #93a3b8;
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.p-row__tag {
  font-size: 8px;
  padding: 2px 6px;
  border-radius: 999px;
  background: #edf3fe;
  color: #1a5ce6;
  font-weight: 600;
  flex-shrink: 0;
}

.p-tabbar {
  height: 46px;
  background: #fff;
  border-top: 1px solid #eef2f8;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
  padding-bottom: 6px;
}

.p-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 8px;
  color: #93a3b8;
}

.p-tab.on {
  color: #1a5ce6;
}

.p-tab__d {
  width: 15px;
  height: 15px;
  border-radius: 5px;
  background: currentColor;
  opacity: 0.18;
}

.p-tab.on .p-tab__d {
  opacity: 1;
}

/* floating chips */
.chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 15px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-lg);
  font-size: 12.5px;
  color: var(--ink);
  white-space: nowrap;
}

.chip b {
  font-size: 14px;
  color: var(--ink);
}

.chip small {
  display: block;
  font-size: 10px;
  color: var(--muted);
  line-height: 1.3;
}

.chip__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  flex-shrink: 0;
}

.chip--a {
  left: 0;
  top: 120px;
  animation: float 6s ease-in-out infinite;
}

.chip--b {
  right: 0;
  bottom: 128px;
  animation: float 7s ease-in-out 0.8s infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

/* ---------- stats ---------- */
.stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}

.stats__item {
  background: #fff;
  padding: 34px 26px;
}

.stats--on-ink {
  background: rgba(255, 255, 255, 0.1);
  border-top-color: rgba(255, 255, 255, 0.1);
}

.stats--on-ink .stats__item {
  background: var(--ink);
}

.stats--on-ink .stats__num {
  color: #fff;
}

.stats--on-ink .stats__label {
  color: rgba(255, 255, 255, 0.5);
}

.stats__num {
  font-size: 34px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.1;
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.stats__num i {
  font-style: normal;
  font-size: 17px;
  color: var(--cyan);
  font-weight: 600;
}

.stats__label {
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--muted);
}

/* ---------- page hero (sub pages) ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.66);
  padding: 76px 0 84px;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to right, #000, transparent 85%);
  -webkit-mask-image: linear-gradient(to right, #000, transparent 85%);
}

.page-hero__inner {
  position: relative;
  max-width: 760px;
}

.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.42);
  margin-bottom: 20px;
}

.crumb a:hover {
  color: #fff;
}

.page-hero h1 {
  color: #fff;
  font-size: clamp(30px, 3.8vw, 46px);
  letter-spacing: -0.02em;
  font-weight: 700;
  text-wrap: balance;
}

.page-hero p {
  margin-top: 18px;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.62);
  max-width: 620px;
}

/* ---------- cards ---------- */
.grid {
  display: grid;
  gap: 22px;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease),
    border-color 0.28s;
}

.card:hover {
  transform: translateY(-5px);
  border-color: #d3e0f2;
  box-shadow: var(--shadow-md);
}

.card__ico {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  background: var(--blue-soft);
  color: var(--blue);
  margin-bottom: 22px;
  transition: background 0.25s, color 0.25s;
}

.card__ico svg {
  width: 25px;
  height: 25px;
}

.card:hover .card__ico {
  background: var(--blue);
  color: #fff;
}

.card__ico--cyan {
  background: var(--cyan-soft);
  color: #00897d;
}

.card:hover .card__ico--cyan {
  background: var(--cyan);
  color: #04302c;
}

.card h3 {
  font-size: 19px;
  margin-bottom: 11px;
}

.card p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.card__more {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--blue);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.25s, transform 0.25s;
}

.card:hover .card__more {
  opacity: 1;
  transform: none;
}

.card__more svg {
  width: 13px;
  height: 13px;
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
}

.tag {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--bg-soft-2);
  color: #54677f;
  font-weight: 500;
}

/* ---------- split feature ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.split--reverse .split__media {
  order: -1;
}

.split h2 {
  font-size: clamp(26px, 3vw, 36px);
  letter-spacing: -0.02em;
}

.split p {
  margin-top: 20px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
}

.feature-list {
  margin-top: 28px;
  display: grid;
  gap: 16px;
}

.feature-list li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--text);
  line-height: 1.7;
}

.feature-list svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--cyan);
  margin-top: 3px;
}

.split__media {
  position: relative;
}

.visual {
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--blue-soft), var(--cyan-soft));
  border: 1px solid var(--line);
  padding: 34px;
  min-height: 320px;
  display: grid;
  place-items: center;
}

.visual__panel {
  width: 100%;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 22px;
}

.vp-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--bg-soft-2);
}

.vp-row:last-child {
  border-bottom: 0;
}

.vp-dot {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--blue-soft);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  flex-shrink: 0;
}

.vp-main {
  flex: 1;
  min-width: 0;
  display: block;
}

.vp-t {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.vp-d {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 1px;
}

.vp-badge {
  font-size: 11.5px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--cyan-soft);
  color: #00867a;
  font-weight: 600;
  flex-shrink: 0;
}

/* ---------- partner (single campus) ---------- */
.partner {
  display: grid;
  grid-template-columns: 268px 1fr;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.35s var(--ease), transform 0.35s var(--ease);
}

.partner:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.partner__mark {
  display: grid;
  place-content: center;
  gap: 9px;
  padding: 44px 26px;
  text-align: center;
  background: linear-gradient(150deg, #f1f7ff 0%, #e8f8f5 100%);
  border-right: 1px solid var(--line);
}

.partner__mark-txt {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.03em;
}

.partner__mark-sub {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.14em;
}

.partner__body {
  padding: 34px 38px;
}

.partner__body h3 {
  font-size: 19.5px;
  font-weight: 650;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.partner__body p {
  margin-top: 11px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.partner__meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}

.partner__meta b {
  display: block;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.partner__meta span {
  font-size: 12px;
  color: var(--muted);
}

/* ---------- logo wall ---------- */
.logos {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.logos__item {
  background: #fff;
  height: 88px;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 600;
  color: #8fa0b6;
  letter-spacing: 0.02em;
  transition: color 0.2s, background 0.2s;
}

.logos__item:hover {
  color: var(--ink);
  background: var(--bg-soft);
}

/* ---------- timeline ---------- */
.timeline {
  position: relative;
  padding-left: 34px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1.5px;
  background: linear-gradient(to bottom, var(--cyan), var(--line) 88%);
}

.tl-item {
  position: relative;
  padding-bottom: 38px;
}

.tl-item:last-child {
  padding-bottom: 0;
}

.tl-item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 7px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #fff;
  border: 2.5px solid var(--cyan);
  box-sizing: border-box;
}

.tl-year {
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.tl-item h3 {
  font-size: 18px;
  margin-bottom: 7px;
}

.tl-item p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 560px;
}

/* ---------- news ---------- */
.news-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.28s var(--ease), box-shadow 0.28s;
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.news-card__cover {
  height: 168px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, #1a5ce6, #0a3aa6);
}

.news-card__cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.09) 1px, transparent 1px);
  background-size: 30px 30px;
}

.news-card__cover span {
  position: absolute;
  left: 22px;
  bottom: 18px;
  z-index: 2;
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  padding: 4px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.news-card__cover--cyan {
  background: linear-gradient(140deg, #00c9b7, #068a7e);
}

.news-card__cover--navy {
  background: linear-gradient(140deg, #234a80, #0b1f3a);
}

.news-card__body {
  padding: 24px 24px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-card__date {
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 10px;
}

.news-card__body h3 {
  font-size: 17px;
  line-height: 1.5;
  margin-bottom: 10px;
}

.news-card:hover h3 {
  color: var(--blue);
}

.news-card__body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  flex: 1;
}

.news-card__link {
  margin-top: 18px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.news-card__link svg {
  width: 13px;
  height: 13px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  height: 40px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.filter-btn.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

/* ---------- process ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 28px 24px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.step__num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin-bottom: 12px;
}

.step h3 {
  font-size: 17px;
  color: #fff;
  margin-bottom: 8px;
}

.step p {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.75;
}

/* ---------- cta band ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  background: linear-gradient(118deg, #0a2a66, #0b1f3a 62%);
  border-radius: var(--radius-xl);
  padding: 62px 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}

.cta-band::before {
  content: "";
  position: absolute;
  width: 460px;
  height: 460px;
  right: -120px;
  top: -200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 201, 183, 0.22), transparent 66%);
}

.cta-band__text {
  position: relative;
  max-width: 560px;
}

.cta-band h2 {
  color: #fff;
  font-size: clamp(24px, 2.8vw, 34px);
  letter-spacing: -0.02em;
}

.cta-band p {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 15px;
}

.cta-band__actions {
  position: relative;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: start;
}

.info-item {
  display: flex;
  gap: 15px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.info-item:first-child {
  padding-top: 0;
}

.info-item__ico {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.info-item__ico svg {
  width: 19px;
  height: 19px;
}

.info-item h4 {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: 4px;
}

.info-item p {
  font-size: 16px;
  color: var(--ink);
  font-weight: 500;
  line-height: 1.6;
}

.info-item small {
  display: block;
  font-size: 13px;
  color: var(--muted);
  font-weight: 400;
  margin-top: 3px;
}

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.form-card h3 {
  font-size: 21px;
  margin-bottom: 8px;
}

.form-card > p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 28px;
}

.field {
  margin-bottom: 20px;
}

.field label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.field label em {
  color: #e2483f;
  font-style: normal;
  margin-left: 3px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 12px 15px;
  font-size: 14.5px;
  line-height: 1.6;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
  appearance: none;
}

.field textarea {
  min-height: 122px;
  resize: vertical;
}

.field select {
  padding-right: 40px;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 4.5L6 8l3.5-3.5' fill='none' stroke='%236b7f99' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 15px center;
  background-size: 13px;
  cursor: pointer;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26, 92, 230, 0.12);
}

.field input::placeholder,
.field textarea::placeholder {
  color: #a8b6c8;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-hint {
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 16px;
  line-height: 1.7;
}

.form-ok {
  display: none;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--cyan-soft);
  color: #04786c;
  font-size: 14px;
  font-weight: 500;
}

.form-ok.show {
  display: flex;
}

.map-box {
  margin-top: 32px;
  height: 200px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-soft);
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.map-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(26, 92, 230, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 92, 230, 0.07) 1px, transparent 1px);
  background-size: 34px 34px;
}

.map-box__pin {
  position: relative;
  text-align: center;
}

.map-box__pin i {
  display: block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--blue);
  margin: 0 auto 10px;
  box-shadow: 0 0 0 7px rgba(26, 92, 230, 0.16), 0 0 0 15px rgba(26, 92, 230, 0.07);
}

.map-box__pin span {
  font-size: 13px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.9);
  padding: 3px 10px;
  border-radius: 999px;
}

/* ---------- values ---------- */
.value-card {
  padding: 30px 26px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.value-card h3 {
  color: #fff;
  font-size: 17px;
  margin-bottom: 10px;
}

.value-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.58);
  line-height: 1.8;
}

.honor-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.honor {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  padding: 18px 20px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  font-size: 14.5px;
  color: var(--text);
  line-height: 1.6;
}

.honor svg {
  width: 19px;
  height: 19px;
  color: var(--cyan);
  flex-shrink: 0;
  margin-top: 3px;
}

/* ---------- footer ---------- */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.5);
  padding: 72px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-brand .brand__name {
  color: #fff;
}

.footer-brand .brand__sub {
  color: rgba(255, 255, 255, 0.32);
}

.footer-brand p {
  margin-top: 20px;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.42);
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 22px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.07);
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.6);
  transition: background 0.2s, color 0.2s;
}

.footer-social a:hover {
  background: var(--cyan);
  color: #04302c;
}

.footer-social svg {
  width: 17px;
  height: 17px;
}

.footer-col h4 {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

.footer-col li {
  margin-bottom: 11px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.48);
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--cyan-2);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.34);
}

.footer-bottom a:hover {
  color: #fff;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

/* ---------- pager ---------- */
.pager {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 52px;
  flex-wrap: wrap;
}

.pager a,
.pager span {
  min-width: 42px;
  height: 42px;
  padding: 0 12px;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: 14px;
  color: var(--text);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.pager a:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.pager .is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.pager .is-disabled {
  color: #c2cddb;
  cursor: not-allowed;
}

.pager svg {
  width: 14px;
  height: 14px;
}

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

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

.faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  transition: color 0.2s;
}

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

.faq__item summary:hover {
  color: var(--blue);
}

.faq__item summary::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--blue);
  line-height: 1;
  flex-shrink: 0;
  transition: transform 0.25s var(--ease);
}

.faq__item[open] summary::after {
  transform: rotate(45deg);
}

.faq__item p {
  padding: 0 0 26px;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 780px;
}

/* ---------- reveal ---------- */
.reveal {
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .stage {
    height: 476px;
  }

  .phone {
    transform: scale(0.85);
  }

  .phone--back {
    transform: translate(84px, 26px) rotate(7deg) scale(0.76);
  }

  .split {
    gap: 48px;
  }

  .grid--4,
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .logos {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 860px) {
  .nav__links,
  .nav__actions .btn {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  .nav {
    height: 68px;
    gap: 16px;
  }

  .nav.is-open .nav__links {
    display: flex;
    position: absolute;
    left: 0;
    right: 0;
    top: 68px;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 14px 20px 20px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 32px rgba(10, 27, 51, 0.1);
  }

  .nav.is-open .nav__link {
    padding: 13px 14px;
  }

  .nav.is-open .nav__actions {
    display: block;
    margin: 10px 0 0;
  }

  .nav.is-open .nav__actions .btn {
    display: flex;
    width: 100%;
  }

  .section {
    padding: 72px 0;
  }

  .section--tight {
    padding: 56px 0;
  }

  .grid--2,
  .grid--3,
  .split {
    grid-template-columns: 1fr;
  }

  .split--reverse .split__media {
    order: 0;
  }

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

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

  .partner__mark {
    padding: 30px 24px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .partner__body {
    padding: 26px 24px;
  }

  .partner__meta {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 12px;
  }

  .stats__item {
    padding: 26px 20px;
  }

  .stats__num {
    font-size: 28px;
  }

  .page-hero {
    padding: 56px 0 62px;
  }

  .cta-band {
    padding: 40px 32px;
  }

  .honor-list {
    grid-template-columns: 1fr;
  }

  .form-card {
    padding: 28px 22px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

@media (max-width: 560px) {
  .container {
    padding: 0 18px;
  }

  .hero {
    padding-top: 64px;
  }

  .hero__inner {
    padding-bottom: 56px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .hero__desc {
    font-size: 15.5px;
  }

  .hero__cta .btn {
    flex: 1 1 100%;
  }

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

  .grid--4 {
    grid-template-columns: 1fr;
  }

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

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

  .field-row {
    grid-template-columns: 1fr;
  }

  .stage {
    height: 412px;
  }

  .phone {
    transform: scale(0.74);
  }

  .phone--back {
    display: none;
  }

  .chip {
    display: none;
  }

  .card {
    padding: 26px 22px;
  }
}

@media (hover: none) {
  .card__more {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}
