/* ============================================================
   990728 visual v5 — Modern Study Center
   A contemporary exam-portal layout inspired by common online
   education navigation patterns, with an original visual system.
   ============================================================ */

:root {
  --academy-navy: #0b3768;
  --academy-blue: #1268b3;
  --academy-cyan: #139a9a;
  --academy-orange: #ff7a1a;
  --academy-coral: #ef6157;
  --academy-bg: #f3f7fb;
  --academy-surface: #ffffff;
  --academy-line: #dce7f1;
  --academy-text: #18324b;
  --academy-muted: #6c8193;
  --blue-800: #092f57;
  --blue-700: #0f5597;
  --blue-600: #1268b3;
  --blue-500: #2385c7;
  --blue-100: #dcecf8;
  --blue-50: #eff7fc;
  --amber-600: #d96510;
  --amber-500: #ff7a1a;
  --amber-50: #fff5eb;
  --ink: #18324b;
  --ink-2: #2e4a62;
  --ink-3: #516b7f;
  --muted: #6c8193;
  --muted-2: #95a7b4;
  --line: #dce7f1;
  --line-2: #edf3f7;
  --bg: var(--academy-bg);
  --card: #fff;
  --radius: 16px;
  --radius-s: 10px;
  --shadow-s: 0 2px 8px rgba(15, 61, 101, .05);
  --shadow: 0 12px 32px rgba(15, 61, 101, .09);
  --shadow-l: 0 22px 60px rgba(15, 61, 101, .14);
}

body {
  color: var(--academy-text);
  background:
    radial-gradient(720px 260px at 8% -4%, rgba(69, 158, 218, .09), transparent 72%),
    var(--academy-bg);
  font-size: 16px;
}
a { color: var(--academy-blue); }
a:hover { color: var(--academy-cyan); }

.top-strip {
  color: rgba(255,255,255,.82);
  background: linear-gradient(90deg, #0a3260, #174f8d);
  border: 0;
}
.top-strip .ts-note { color: rgba(255,255,255,.88); }
.top-strip .ts-links a { color: #fff; opacity: .82; }

.site-header {
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid #e2ebf2;
  box-shadow: 0 7px 24px rgba(16, 65, 104, .055);
}
.header-inner { height: 76px; }
.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(145deg, #0d4d91, #1689a3);
  box-shadow: 0 7px 18px rgba(18, 104, 179, .22);
}
.brand-text strong {
  color: var(--academy-navy);
  font-size: 19px;
  letter-spacing: .01em;
}
.brand-text em { color: var(--academy-muted); }
.search-form input {
  border: 1px solid #d7e3ec;
  border-radius: 999px;
  background: #f5f8fb;
}
.search-form input:focus {
  border-color: #7bb2dd;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(18,104,179,.09);
}

.main-nav {
  background: #fbfdff;
  border-top-color: #edf3f7;
  border-bottom: 1px solid #e2eaf0;
}
.nav-inner { gap: 3px; }
.nav-link {
  color: #486176;
  font-weight: 600;
  padding: 11px 13px;
}
.nav-link:hover { color: var(--academy-blue); background: #eef7fd; }
.nav-link.active { color: var(--academy-blue); }
.nav-link.active::after {
  height: 3px;
  background: var(--academy-orange);
}
.nav-sub {
  border: 1px solid #dce7f0;
  border-radius: 12px;
  box-shadow: 0 18px 42px rgba(15,61,101,.13);
}

.home-editorial {
  background:
    radial-gradient(800px 320px at 90% 0%, rgba(89, 184, 207, .11), transparent 68%),
    var(--academy-bg);
}
.home-editorial .wrap { max-width: 1200px; }

.home-editorial .hs-hero {
  min-height: 610px;
  color: var(--academy-text);
  background:
    linear-gradient(100deg, rgba(255,255,255,.96) 0%, rgba(245,251,255,.9) 57%, rgba(226,244,250,.88) 100%);
  border-top: 0;
  border-bottom: 1px solid var(--academy-line);
}
.home-editorial .hs-hero::before {
  display: block;
  right: -120px;
  top: -170px;
  width: 470px;
  height: 470px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 157, 183, .16), transparent 68%);
}
.home-editorial .hs-hero::after {
  display: block;
  left: -150px;
  bottom: -230px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 122, 26, .10), transparent 68%);
}
.home-editorial .hs-hero-inner {
  grid-template-columns: minmax(0, 1.3fr) minmax(390px, .7fr);
  gap: 66px;
  padding: 62px 20px 70px;
}
.home-editorial .hs-watermark {
  color: transparent;
  -webkit-text-stroke: 1px rgba(18,104,179,.09);
  right: -10px;
  bottom: -32px;
  font-size: clamp(150px, 20vw, 280px);
}
.home-editorial .hs-kicker {
  width: auto;
  display: inline-flex;
  gap: 10px;
  padding: 7px 12px;
  margin-bottom: 20px;
  color: var(--academy-blue);
  background: #fff;
  border: 1px solid #d7e8f4;
  border-radius: 999px;
  box-shadow: var(--shadow-s);
}
.home-editorial .hs-kicker span {
  color: var(--academy-blue);
  font-size: 12px;
}
.home-editorial .hs-kicker i { color: #8b9caa; }
.home-editorial .hs-title {
  max-width: 760px;
  color: var(--academy-navy);
  font-family: var(--font);
  font-size: clamp(40px, 4.2vw, 62px);
  line-height: 1.13;
  letter-spacing: -2px;
  font-weight: 850;
}
.home-editorial .hs-title em {
  color: var(--academy-orange);
  background: linear-gradient(180deg, transparent 62%, rgba(255,186,116,.34) 62%);
}
.home-editorial .hs-sub {
  color: #60798d;
  font-size: 16px;
  border: 0;
  padding: 0;
}
.home-editorial .hs-search {
  max-width: 690px;
  margin-top: 28px;
}
.home-editorial .hs-search input {
  min-height: 54px;
  border: 1px solid #cadae6;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 15px 38px rgba(20,77,119,.10);
}
.home-editorial .hs-search button {
  min-height: 54px;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(135deg, #0f61a9, #168aa6);
  box-shadow: 0 12px 26px rgba(18,104,179,.2);
}
.home-editorial .hs-search button:hover { filter: brightness(1.06); }
.home-editorial .hs-hot {
  gap: 7px;
  margin-top: 10px;
}
.home-editorial .hs-hot .hero-tag {
  color: #4f687b;
  background: rgba(255,255,255,.8);
  border: 1px solid #dfeaf2;
  border-radius: 7px;
  padding: 5px 10px;
}
.home-editorial .hs-hot .hero-tag:hover {
  color: var(--academy-blue);
  background: #fff;
  border-color: #99c5e4;
}
.home-editorial .hs-cta { margin-top: 24px; }
.home-editorial .hs-btn { min-height: 48px; border-radius: 10px; }
.home-editorial .hs-btn.solid {
  color: #fff;
  background: var(--academy-blue);
  border-color: var(--academy-blue);
  box-shadow: 0 10px 24px rgba(18,104,179,.2);
}
.home-editorial .hs-btn.line {
  color: var(--academy-blue);
  background: #fff;
  border-color: #bad7ea;
}

.home-editorial .exam-switch {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid #e0eaf2;
  border-radius: 20px;
  box-shadow: 0 25px 65px rgba(19, 77, 119, .16);
}
.home-editorial .exam-switch::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 6px;
  background: linear-gradient(90deg, var(--academy-blue), var(--academy-cyan), var(--academy-orange));
}
.home-editorial .exam-switch-head {
  padding: 25px 26px 18px;
  border-bottom: 1px solid #eaf0f5;
}
.home-editorial .exam-switch-head span {
  display: block;
  color: var(--academy-blue);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 9.5px;
  letter-spacing: .14em;
}
.home-editorial .exam-switch-head strong {
  display: block;
  margin-top: 5px;
  color: var(--academy-navy);
  font-size: 23px;
}
.home-editorial .exam-switch-head p {
  margin: 5px 0 0;
  color: #798b99;
  font-size: 12px;
}
.home-editorial .exam-switch-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.home-editorial .exam-switch-item {
  min-height: 91px;
  display: grid;
  grid-template-columns: 25px 30px minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 7px;
  padding: 15px 18px;
  border-right: 1px solid #edf2f6;
  border-bottom: 1px solid #edf2f6;
  color: var(--academy-navy);
  text-decoration: none;
}
.home-editorial .exam-switch-item:nth-child(even) { border-right: 0; }
.home-editorial .exam-switch-item:hover { background: #f3f9fd; }
.home-editorial .esi-no {
  color: #9cabb6;
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 9px;
}
.home-editorial .esi-icon { font-size: 20px; }
.home-editorial .exam-switch-item strong {
  min-width: 0;
  overflow: hidden;
  color: var(--academy-navy);
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.home-editorial .exam-switch-item em {
  grid-column: 3;
  color: #88a0b1;
  font-size: 10.5px;
  font-style: normal;
}
.home-editorial .exam-switch-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 15px 24px;
  color: #758894;
  font-size: 11.5px;
}
.home-editorial .exam-switch-foot a {
  margin-left: auto;
  font-weight: 700;
}

.home-editorial .quick-bar {
  margin-top: 0;
  padding: 20px 0;
  background: transparent;
}
.home-editorial .qb-inner {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  overflow: visible;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}
.home-editorial .qb-item {
  min-height: 88px;
  background: #fff;
  border: 1px solid #e1eaf1;
  border-radius: 14px;
  box-shadow: 0 7px 20px rgba(21,70,109,.055);
}
.home-editorial .qb-item + .qb-item { border-left: 1px solid #e1eaf1; }
.home-editorial .qb-item::before { color: #b0bdc7; }
.home-editorial .qb-icon {
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 9px;
  background: #edf6fb;
}
.home-editorial .qb-item:hover {
  background: #fff;
  box-shadow: 0 11px 26px rgba(18,104,179,.11);
  transform: translateY(-2px);
}
.home-editorial .qb-txt strong { color: var(--academy-navy); }
.home-editorial .qb-txt em { color: #8295a4; }

.home-editorial .focus-bar {
  margin-top: 0;
  background: #fff9ef;
  border-top: 1px solid #f4e4ca;
  border-bottom: 1px solid #f4e4ca;
}
.home-editorial .focus-bar .wrap { border: 0; }
.home-editorial .fb-tag {
  flex-basis: 76px;
  color: #fff;
  background: var(--academy-orange);
  border-radius: 7px;
}
.home-editorial .focus-list li { border-right-color: #eadfcb; }
.home-editorial .focus-list a { color: #4e5560; }
.home-editorial .focus-list time { color: #9b968d; }
.home-editorial .focus-list i { color: #b65b0f; background: #fff1dd; }

.home-editorial .section { padding: 74px 0; }
.home-editorial .section-alt { background: #eef4f8; }
.home-editorial .section[data-chapter]::before {
  top: 24px;
  color: #7593a8;
}
.home-editorial .section-head {
  border-top: 0;
  padding-top: 0;
  margin-bottom: 26px;
}
.home-editorial .section-head h2 {
  color: var(--academy-navy);
  font-family: var(--font);
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -.7px;
}
.home-editorial .section-head h2::before {
  display: block;
  width: 26px;
  height: 4px;
  top: auto;
  bottom: -10px;
  border-radius: 999px;
  background: var(--academy-orange);
  transform: none;
}
.home-editorial .section-head p { color: #758b9b; }

.home-editorial .section-channels .board {
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
}
.home-editorial .ec-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  border: 0;
}
.home-editorial .ec-card {
  min-height: 188px;
  padding: 20px;
  background: #fff;
  border: 1px solid #dfe9f0;
  border-radius: 16px;
  box-shadow: 0 8px 25px rgba(18,67,104,.055);
}
.home-editorial .ec-card::before {
  color: rgba(18,104,179,.07);
  font-family: var(--font);
  font-size: 72px;
  font-weight: 800;
}
.home-editorial .ec-card::after {
  left: 0;
  right: auto;
  top: 18px;
  bottom: auto;
  width: 4px;
  height: 38px;
  border-radius: 0 4px 4px 0;
  background: var(--ec);
}
.home-editorial .ec-card:hover {
  background: #fff;
  border-color: #a9cce4;
  box-shadow: 0 14px 32px rgba(18,104,179,.11);
  transform: translateY(-3px);
}
.home-editorial .ec-ico {
  width: 38px;
  height: 38px;
  border: 0;
  background: #eff7fc;
}
.home-editorial .ec-name {
  color: var(--academy-navy);
  font-family: var(--font);
  font-size: 19px;
}
.home-editorial .ec-cnt { color: #7790a2; margin-right: 25px; }
.home-editorial .ec-links { margin-top: 17px; gap: 0 12px; }
.home-editorial .ec-links a {
  color: #526d80;
  background: #f6f9fb;
  border: 1px solid #edf3f7;
  border-radius: 7px;
}
.home-editorial .ec-links a:hover { color: var(--academy-blue); background: #eff8fd; border-color: #cbe3f2; }

.home-editorial .tiku-banner {
  color: #fff;
  background:
    radial-gradient(560px 180px at 86% 0%, rgba(56,199,192,.35), transparent 72%),
    linear-gradient(120deg, #0b3e78, #106ca0 56%, #138f91);
  border: 0;
  border-radius: 20px;
  box-shadow: 0 24px 54px rgba(10,66,111,.17);
}
.home-editorial .tiku-banner::after { color: rgba(255,255,255,.08); }
.home-editorial .tb-kicker { color: #ffd79f; }
.home-editorial .tiku-banner h2 { font-family: var(--font); color: #fff; font-size: 32px; }
.home-editorial .tiku-banner p { color: #d6e9f1; }
.home-editorial .tiku-banner .btn {
  color: #18374e;
  background: #fff;
  border-color: #fff;
}
.home-editorial .tiku-banner .btn.ghost { color: #fff; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.55); }

.home-editorial .tab-box {
  border: 1px solid #dfe9f0;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(18,67,104,.055);
  overflow: hidden;
}
.home-editorial .tab-h { background: #f7fafc; border-bottom-color: #e2ebf1; }
.home-editorial .tab-h a { color: #647c8d; }
.home-editorial .tab-h a.on { color: var(--academy-blue); background: #fff; border-bottom-color: var(--academy-orange); }
.home-editorial .tab-p { padding: 16px 20px 18px; }
.home-editorial .slim-list { border: 0; background: transparent; box-shadow: none; }
.home-editorial .slim-list li { border-bottom-color: #edf2f5; }
.home-editorial .slim-list a { color: #3f5b6d; }

.home-editorial .study-path {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  border: 0;
}
.home-editorial .sp-step {
  min-height: 192px;
  padding: 22px 18px;
  background: #fff;
  border: 1px solid #dfe9f0;
  border-radius: 14px;
  box-shadow: 0 7px 20px rgba(18,67,104,.045);
}
.home-editorial .sp-step:hover {
  background: #fff;
  border-color: #a8cce5;
  box-shadow: 0 12px 28px rgba(18,104,179,.09);
  transform: translateY(-2px);
}
.home-editorial .sp-no {
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  color: #fff;
  background: linear-gradient(135deg, var(--academy-blue), var(--academy-cyan));
  border: 0;
  border-radius: 50%;
}
.home-editorial .sp-step strong { color: var(--academy-navy); font-size: 16px; }
.home-editorial .sp-step em { color: #768a99; }

.home-editorial .section-tools .board,
.home-editorial .section-entrypoints .board {
  border: 1px solid #dfe9f0;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(18,67,104,.05);
}
.home-editorial .mx-row { border-bottom-color: #edf2f5; }
.home-editorial .mx-label { color: var(--academy-blue); }
.home-editorial .section-topics .sidebar-block {
  border: 1px solid #dfe9f0;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(18,67,104,.045);
}
.home-editorial .tag-cloud { max-height: 360px; background: #fff; border: 0; border-radius: 10px; }
.home-editorial .cloud-tag { color: #5c7485 !important; background: #f5f9fb !important; border-color: #e5edf2; border-radius: 6px; }

/* Page heroes and forms */
main .hero {
  background:
    radial-gradient(720px 300px at 88% 0%, rgba(21,158,173,.16), transparent 70%),
    linear-gradient(110deg, #f8fbfe, #eef7fc);
  border-top: 0;
  border-bottom: 1px solid var(--academy-line);
}
main .hero .wrap { padding-top: 58px; padding-bottom: 54px; }
main .hero-title {
  max-width: 1120px;
  color: var(--academy-navy) !important;
  font-family: var(--font) !important;
  font-size: clamp(34px, 4vw, 52px) !important;
  line-height: 1.22 !important;
  letter-spacing: -1.4px;
}
main .hero-title em { color: var(--academy-orange) !important; }
main .hero-sub { color: #647d90; }

main .gj-hero {
  color: #fff;
  background:
    radial-gradient(620px 220px at 84% 5%, rgba(50,194,190,.24), transparent 70%),
    linear-gradient(120deg, #093969, #0b5d91 58%, #138887);
  border: 0;
  border-radius: 20px;
  box-shadow: 0 22px 52px rgba(15,61,101,.16);
}
main .gj-hero:before { opacity: .1; }
main .gj-hero h1 { color: #fff; font-family: var(--font); font-size: 43px; }
main .gj-hero h1 em { color: #ffc175; }
main .gj-sub { color: #d5e8f0; }
main .gj-eb { color: #ffd49a; }
main .gj-search {
  border: 0;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(5,38,65,.16);
}
main .gj-stats { color: #d8e9f0; }
main .gj-stats b { color: #fff; }
main .gj-stats i { color: #9fc0cf; }
main .gj-qk {
  color: var(--academy-text);
  background: #fff;
  border: 0;
  border-radius: 14px;
  box-shadow: 0 16px 38px rgba(5,38,65,.16);
}
main .gj-qk-h { color: var(--academy-navy); }
main .gj-qk-i { border-radius: 8px; border-top-color: #edf2f5; }
main .gj-qk-tx b { color: var(--academy-navy); }
main .gj-filter {
  margin-top: 18px;
  padding: 12px 14px;
  border: 1px solid #dfe9f0;
  border-radius: 12px;
  background: #fff;
}
main .gj-chip, main .gj-tc { border-radius: 9px; }
main .gj-chip.on { color: #fff; background: var(--academy-blue); border-color: var(--academy-blue); }
main .gj-tc {
  border-color: #dfe9f0;
  background: #fff;
  box-shadow: 0 6px 18px rgba(18,67,104,.04);
}
main .gj-tc:hover { border-color: #a7cce4; box-shadow: 0 10px 24px rgba(18,104,179,.09); }
main .gj-sec-hd h2 { color: var(--academy-navy); font-family: var(--font); font-size: 25px; }

main .tiku-guide {
  border: 1px solid #dfe9f0;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(18,67,104,.05);
  padding: 24px 28px;
}
main .tiku-group-head { border-top: 1px solid #dfe9f0; padding-top: 20px; }
main .tiku-group-head h2 { color: var(--academy-navy); font-size: 23px; }
main .tiku-group-tag { color: #fff; background: var(--academy-blue); border-radius: 6px; }
main .tiku-card {
  background: #fff;
  border: 1px solid #dfe9f0;
  border-top: 3px solid #79b6d8;
  border-radius: 12px;
  box-shadow: 0 7px 18px rgba(18,67,104,.04);
}
main .tiku-card:hover { border-color: #9cc7df; box-shadow: 0 12px 28px rgba(18,104,179,.09); }
main .tiku-card h3 { color: var(--academy-navy); }
main .tiku-icon { background: #eff7fc; border-radius: 10px; }

/* Article and content pages */
.article-title {
  color: var(--academy-navy);
  font-family: var(--font);
  font-size: clamp(32px, 3.4vw, 46px);
  line-height: 1.28;
  letter-spacing: -1px;
}
.article-head { border-top: 0; padding-top: 0; }
.article-body { color: #314a5d; font-size: 16.5px; line-height: 1.95; }
.article-body h2 {
  color: var(--academy-navy);
  font-family: var(--font);
  font-size: 26px;
  border-top-color: #e0e9ef;
}
.article-body p:first-of-type { color: #263f53; font-size: 17px; }
.article-body blockquote { background: #eff8fd; border-left-color: var(--academy-blue); }
.sidebar-block {
  background: #fff;
  border: 1px solid #dfe9f0;
  border-top: 0;
  border-radius: 14px;
}
.sidebar-title { color: var(--academy-navy); font-family: var(--font); font-size: 16px; }

.site-footer {
  color: #bed0dc;
  background: linear-gradient(120deg, #092f53, #0a3f68);
  border-top: 0;
  padding-top: 28px;
  box-shadow: inset 0 5px 0 var(--academy-orange);
}
.site-footer::after { color: rgba(255,255,255,.035); }
.site-footer h4 { color: #fff; }
.site-footer a { color: #d9e7ef; }
.site-footer a:hover { color: #ffbf78; }
.footer-about p, .footer-note { color: #abc0cd; }
.footer-bottom { background: #082743; }

@media (max-width: 1100px) {
  .home-editorial .hs-hero-inner { gap: 38px; }
  .home-editorial .ec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-editorial .study-path { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .home-editorial .hs-hero-inner { grid-template-columns: 1fr; padding-top: 46px; }
  .home-editorial .hs-hero-side { display: block; max-width: 620px; }
  .home-editorial .qb-inner { grid-template-columns: 1fr 1fr; }
  .home-editorial .qb-item { border-bottom: 1px solid #e1eaf1; }
  .home-editorial .qb-item:nth-child(odd) { border-left: 1px solid #e1eaf1; }
}

@media (max-width: 720px) {
  .header-inner { padding-top: 9px; padding-bottom: 9px; }
  .home-editorial .hs-hero { min-height: 0; }
  .home-editorial .hs-hero-inner { padding: 38px 20px 48px; }
  .home-editorial .hs-kicker { margin-bottom: 18px; }
  .home-editorial .hs-kicker i { display: none; }
  .home-editorial .hs-title { font-size: 34px; line-height: 1.16; letter-spacing: -.9px; }
  .home-editorial .hs-sub { font-size: 14.5px; }
  .home-editorial .hs-search { flex-direction: column; }
  .home-editorial .hs-search button { width: 100%; }
  .home-editorial .hs-hot { gap: 5px; }
  .home-editorial .hs-hot .hero-tag { padding: 5px 8px; }
  .home-editorial .hs-cta { display: grid; grid-template-columns: 1fr; }
  .home-editorial .hs-btn { width: 100%; justify-content: center; }
  .home-editorial .exam-switch-head { padding: 22px 20px 16px; }
  .home-editorial .exam-switch-grid { grid-template-columns: 1fr; }
  .home-editorial .exam-switch-item { border-right: 0; min-height: 74px; }
  .home-editorial .exam-switch-foot { padding: 14px 18px; }
  .home-editorial .qb-inner { grid-template-columns: 1fr; gap: 8px; }
  .home-editorial .qb-item, .home-editorial .qb-item:nth-child(odd) { border: 1px solid #e1eaf1; }
  .home-editorial .focus-list { grid-template-columns: 1fr; padding: 4px 0; }
  .home-editorial .focus-list li { border-right: 0; border-bottom: 1px solid #eadfcb; }
  .home-editorial .section { padding: 52px 0; }
  .home-editorial .section-head h2 { font-size: 25px; }
  .home-editorial .ec-grid { grid-template-columns: 1fr; gap: 10px; }
  .home-editorial .study-path { grid-template-columns: 1fr; }
  .home-editorial .sp-step { min-height: 0; }
  .home-editorial .tiku-banner { padding: 30px 0; border-radius: 14px; }
  .home-editorial .tiku-banner-inner { grid-template-columns: 1fr; }
  .home-editorial .tb-kicker { display: none; }
  .home-editorial .tb-actions { padding: 0; }
  .article-title { font-size: 29px; }
  .article-body { font-size: 15.5px; }
  .article-body h2 { font-size: 22px; }
  main .hero .wrap { padding-top: 36px; padding-bottom: 34px; }
  main .hero-title { font-size: 30px !important; }
  main .gj-hero { border-radius: 0; padding: 26px 20px; }
  main .gj-hero h1 { font-size: 34px; }
}

/* iOS Safari horizontal overscroll hardening.
   Keep vertical and nested horizontal scrollers working while preventing
   the document itself from panning sideways on iPhone viewports. */
html,
body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  overscroll-behavior-x: none;
}
@supports (overflow: clip) {
  html,
  body { overflow-x: clip; }
}
main,
.site-header,
.main-nav,
.site-footer,
.home-editorial,
  .hs-hero,
.exam-switch,
.qb-inner,
.ec-grid,
.study-path,
.tab-box,
.board {
  max-width: 100%;
  min-width: 0;
}
.exam-switch-item,
.qb-item,
.ec-card,
.sp-step,
.slim-list li {
  min-width: 0;
}
.hs-title,
.section-head h2,
.ec-name,
.exam-switch-item strong {
  overflow-wrap: anywhere;
}
.skip-link {
  left: 0;
  top: -120px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}
.skip-link:focus {
  top: 0;
  width: auto;
  height: auto;
  overflow: visible;
  clip-path: none;
}

@media (max-width: 720px) {
  .hs-watermark { display: none !important; }
}