@charset "UTF-8";

/* 作者：搭客佬
官网：https://www.wltcpro.cn/ */

:root {
  --navy: #101d36;
  --navy-deep: #091326;
  --ink: #171d28;
  --paper: #f5f0e8;
  --paper-light: #fcfaf6;
  --cyan: #35b8d7;
  --amber: #f2b84b;
  --magenta: #9a2c72;
  --line: #cbc4b7;
  --muted: #69717f;
  --white: #ffffff;
  --header-height: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--paper-light);
  font: 16px/1.7 "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
img { display: block; max-width: 100%; }
ul, ol, p, h1, h2, h3, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
.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;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--header-height);
  background: var(--navy-deep);
  border-bottom: 1px solid rgba(53, 184, 215, .35);
}
.header-inner, .section-inner, .hero-inner, .download-inner, .footer-inner {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 36px; }
.brand, .footer-brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; }
.brand img, .footer-brand img { width: 46px; height: 46px; object-fit: contain; }
.brand-copy, .footer-brand > span { display: grid; min-width: 0; line-height: 1.2; }
.brand-copy strong, .footer-brand strong { color: var(--white); font-size: 20px; }
.brand-copy span, .footer-brand span span {
  margin-top: 4px;
  color: #9caabc;
  font-size: 12px;
  white-space: nowrap;
}
.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; align-items: center; gap: 34px; }
.primary-nav a {
  position: relative;
  display: block;
  padding: 26px 0 24px;
  color: #eaf0f7;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}
.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: 16px;
  left: 0;
  height: 2px;
  background: var(--cyan);
  content: "";
  transform: scaleX(0);
}
.primary-nav a:hover::after, .primary-nav a.is-active::after { transform: scaleX(1); }
.mobile-actions { display: none; align-items: center; gap: 8px; }
.mobile-download {
  min-width: 92px;
  padding: 10px 13px;
  color: var(--navy-deep);
  background: var(--amber);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  white-space: nowrap;
}
.menu-toggle {
  position: relative;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid #9caabc;
  cursor: pointer;
}
.menu-toggle i { position: absolute; left: 10px; width: 20px; height: 2px; background: var(--white); }
.menu-toggle i:nth-child(1) { top: 12px; }
.menu-toggle i:nth-child(2) { top: 19px; }
.menu-toggle i:nth-child(3) { top: 26px; }

main { padding-top: var(--header-height); }
.hero { position: relative; min-height: 690px; overflow: hidden; color: var(--white); background: var(--navy); }
.blueprint-grid {
  position: absolute;
  inset: 0;
  opacity: .18;
  background-image: linear-gradient(rgba(53, 184, 215, .28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 184, 215, .28) 1px, transparent 1px);
  background-size: 48px 48px;
}
.hero::before, .hero::after { position: absolute; border-radius: 50%; content: ""; }
.hero::before { right: 3%; top: 10%; width: 420px; height: 420px; border: 1px solid rgba(53, 184, 215, .35); }
.hero::after { left: -120px; bottom: -230px; width: 520px; height: 520px; background: rgba(154, 44, 114, .18); }
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 530px;
  align-items: center;
  gap: 70px;
  min-height: 690px;
}
.eyebrow, .section-heading p, .download-copy > p {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .18em;
}
.hero-copy h1 {
  margin-top: 14px;
  font-size: clamp(70px, 7vw, 108px);
  line-height: .95;
  letter-spacing: -.055em;
  white-space: nowrap;
}
.hero-copy h2 { margin-top: 30px; font-size: 34px; line-height: 1.25; }
.hero-description { max-width: 590px; margin-top: 20px; color: #cbd6e3; }
.hero-actions { display: grid; justify-items: start; gap: 10px; margin-top: 30px; }
.hero-actions > a {
  display: inline-flex;
  align-items: center;
  gap: 34px;
  min-width: 210px;
  padding: 16px 22px;
  color: var(--navy-deep);
  background: var(--amber);
  font-weight: 800;
}
.age-label { color: #9eacbd; font-size: 13px; }
.hero-index { display: flex; gap: 30px; margin-top: 28px; }
.hero-index li { position: relative; padding-left: 18px; color: #dbe5ef; font-size: 14px; font-weight: 700; }
.hero-index li::before { position: absolute; left: 0; color: var(--cyan); content: "◆"; font-size: 12px; }

.case-desk {
  position: relative;
  min-height: 520px;
  padding: 34px;
  background: #1e2a3f;
  border: 1px solid rgba(53, 184, 215, .35);
  box-shadow: 26px 26px 0 rgba(5, 13, 27, .36);
}
.case-desk::before {
  position: absolute;
  inset: 18px;
  border: 1px dashed rgba(242, 184, 75, .4);
  content: "";
  pointer-events: none;
}
.dossier-paper {
  position: relative;
  z-index: 1;
  min-height: 450px;
  padding: 28px;
  color: var(--ink);
  background: var(--paper);
  transform: rotate(-1.5deg);
}
.dossier-head { display: flex; align-items: center; justify-content: space-between; border-bottom: 2px solid var(--ink); padding-bottom: 14px; }
.dossier-head span { color: var(--magenta); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.dossier-head strong { font-size: 16px; }
.dossier-question { margin-top: 28px; }
.dossier-question > span { color: var(--magenta); font-size: 12px; font-weight: 800; }
.dossier-question strong { display: block; max-width: 330px; margin-top: 8px; font-size: 24px; line-height: 1.35; }
.clue-flow { position: relative; min-height: 250px; margin-top: 24px; }
.clue-flow button {
  position: absolute;
  z-index: 2;
  min-width: 80px;
  padding: 9px 14px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--ink);
  cursor: pointer;
}
.clue-flow button.is-selected { color: var(--white); background: var(--magenta); border-color: var(--magenta); }
.clue-yes { left: 0; top: 12px; }
.clue-no { left: 0; top: 74px; }
.clue-maybe { left: 0; top: 136px; }
.profile-card {
  position: absolute;
  right: 12px;
  top: 24px;
  display: grid;
  place-items: center;
  width: 170px;
  height: 190px;
  background: #e7dfd2;
  border: 1px solid var(--ink);
}
.profile-card i { width: 74px; height: 74px; background: var(--navy); border-radius: 50% 50% 38% 38%; }
.profile-card span { font-size: 13px; font-weight: 800; }
.clue-lines i { position: absolute; left: 78px; width: 125px; height: 1px; background: var(--magenta); transform-origin: left; }
.clue-lines i:nth-child(1) { top: 34px; transform: rotate(13deg); }
.clue-lines i:nth-child(2) { top: 96px; transform: rotate(-4deg); }
.clue-lines i:nth-child(3) { top: 158px; transform: rotate(-20deg); }
.desk-note { position: absolute; z-index: 3; padding: 8px 12px; color: var(--navy); background: var(--amber); font-size: 12px; font-weight: 800; }
.desk-note-one { top: 8px; left: -18px; transform: rotate(-6deg); }
.desk-note-two { right: -16px; top: 132px; transform: rotate(5deg); }
.desk-note-three { right: 34px; bottom: -12px; background: var(--cyan); transform: rotate(-3deg); }

.section { padding: 100px 0; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 440px); align-items: end; gap: 50px; margin-bottom: 48px; }
.section-heading h2 { margin-top: 7px; font-size: clamp(38px, 4vw, 60px); line-height: 1.08; }
.section-heading > span { color: var(--muted); }
.archive-section { background: var(--paper); }
.archive-folder { display: grid; grid-template-columns: minmax(0, 1fr) 260px; border: 1px solid var(--line); background: var(--paper-light); }
.archive-fields { display: grid; grid-template-columns: repeat(2, 1fr); }
.archive-fields article { min-height: 270px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.archive-fields article:nth-child(2n) { border-right: 0; }
.archive-fields article:nth-last-child(-n+2) { border-bottom: 0; }
.archive-fields article > span { color: var(--magenta); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.archive-fields h3 { margin-top: 8px; font-size: 25px; }
.archive-fields ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 22px; }
.archive-fields li { padding: 10px 12px; background: var(--white); border: 1px solid #ded8ce; font-size: 13px; }
.archive-fields li.is-checked { color: var(--white); background: var(--navy); border-color: var(--navy); }
.archive-fields li.is-checked::before { margin-right: 7px; color: var(--amber); content: "✓"; }
.archive-progress { padding: 32px 26px; color: var(--white); background: var(--navy); }
.archive-progress p { color: var(--cyan); font-size: 12px; font-weight: 800; letter-spacing: .15em; }
.archive-progress strong { display: block; margin-top: 10px; font-size: 25px; }
.archive-progress ol { margin-top: 34px; counter-reset: archive-step; }
.archive-progress li { position: relative; padding: 13px 0 13px 40px; color: #98a8bb; border-top: 1px solid #32415b; font-size: 13px; }
.archive-progress li::before { position: absolute; left: 2px; color: #6f7c8e; counter-increment: archive-step; content: "0" counter(archive-step); }
.archive-progress li.is-done { color: var(--white); }
.archive-progress li.is-done::before { color: var(--amber); }

.network-section, .review-section { color: var(--white); background: var(--navy-deep); }
.section-heading-light > span { color: #a7b5c5; }
.network-board {
  position: relative;
  min-height: 510px;
  padding: 70px;
  border: 1px solid #30415d;
  background-image: radial-gradient(circle, rgba(53,184,215,.22) 1px, transparent 1px);
  background-size: 24px 24px;
}
.network-origin, .network-branch article, .result-file { position: absolute; z-index: 2; border: 1px solid #4f6382; background: var(--navy); }
.network-origin { left: 50px; top: 180px; width: 240px; padding: 24px; }
.network-origin span, .network-branch article span { color: var(--cyan); font-size: 12px; font-weight: 800; }
.network-origin strong { display: block; margin-top: 8px; font-size: 20px; }
.network-branch article { left: 430px; width: 210px; padding: 22px; }
.branch-top article { top: 60px; }
.branch-bottom article { top: 330px; }
.network-branch article strong { display: block; margin-top: 6px; font-size: 16px; }
.answer-chip { position: absolute; z-index: 3; padding: 6px 12px; color: var(--navy-deep); font-size: 12px; font-weight: 800; }
.branch-top > .answer-chip:first-child { left: 330px; top: 110px; background: var(--cyan); }
.branch-bottom > .answer-chip:first-child { left: 330px; top: 366px; background: var(--magenta); color: var(--white); }
.branch-top > .answer-chip:nth-of-type(2) { right: 335px; top: 110px; background: var(--amber); }
.branch-bottom > .answer-chip:nth-of-type(2) { right: 318px; top: 378px; background: var(--cyan); }
.result-file { right: 55px; width: 230px; min-height: 135px; padding: 26px 22px 20px 82px; }
.branch-top .result-file { top: 45px; }
.branch-bottom .result-file { bottom: 40px; }
.result-file i { position: absolute; left: 22px; top: 28px; width: 42px; height: 56px; background: var(--cyan); }
.result-amber i { background: var(--amber); }
.result-file strong { font-size: 18px; }
.network-lines i { position: absolute; z-index: 1; height: 1px; background: var(--cyan); transform-origin: left; }
.network-lines i:nth-child(1) { left: 290px; top: 245px; width: 170px; transform: rotate(-33deg); }
.network-lines i:nth-child(2) { left: 290px; top: 245px; width: 185px; transform: rotate(35deg); }
.network-lines i:nth-child(3) { left: 640px; top: 122px; width: 290px; }
.network-lines i:nth-child(4) { left: 640px; top: 392px; width: 290px; }

.gallery-section, .faq-section { background: var(--paper-light); }
.screen-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.screen-card { overflow: hidden; background: var(--white); border: 1px solid var(--line); }
.screen-window { aspect-ratio: 9 / 16; background: #ebe7df; }
.screen-window img { width: 100%; height: 100%; object-fit: contain; }
.screen-card figcaption { display: flex; align-items: center; gap: 14px; min-height: 74px; padding: 18px; border-top: 1px solid var(--line); }
.screen-card figcaption span { color: var(--magenta); font-size: 12px; font-weight: 800; }
.screen-card figcaption strong { font-size: 16px; }

.faq-list { border-top: 1px solid var(--ink); }
.faq-item { background: var(--white); border-bottom: 1px solid var(--line); }
.faq-item > button {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr) 22px;
  align-items: center;
  width: 100%;
  min-height: 76px;
  padding: 16px 22px;
  text-align: left;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.faq-item > button span { color: var(--magenta); font-size: 12px; font-weight: 800; }
.faq-item > button strong { font-size: 16px; }
.faq-item > button i { position: relative; width: 16px; height: 16px; }
.faq-item > button i::before, .faq-item > button i::after { position: absolute; left: 0; top: 7px; width: 16px; height: 1px; background: var(--ink); content: ""; }
.faq-item > button i::after { transform: rotate(90deg); }
.faq-item > button[aria-expanded="true"] i::after { transform: rotate(0); }
.faq-answer { padding: 0 60px 22px 72px; color: var(--muted); }
.official-site { margin-top: 28px; background: var(--navy); border: 1px solid var(--navy); color: var(--white); }
.official-site summary {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 22px;
  align-items: center;
  min-height: 76px;
  padding: 16px 24px;
  cursor: pointer;
  list-style: none;
}
.official-site summary::-webkit-details-marker { display: none; }
.official-site summary > span { color: var(--cyan); font-size: 21px; }
.official-site summary > i { position: relative; width: 16px; height: 16px; }
.official-site summary > i::before, .official-site summary > i::after { position: absolute; left: 0; top: 7px; width: 16px; height: 1px; background: var(--white); content: ""; }
.official-site summary > i::after { transform: rotate(90deg); }
.official-site[open] summary > i::after { transform: rotate(0); }
.official-site > div { padding: 0 78px 24px; }
.official-site > div a { color: var(--amber); word-break: break-all; }

.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.review-card { min-height: 260px; padding: 26px; background: #16243c; border-top: 3px solid var(--cyan); }
.review-card:nth-child(2n) { border-top-color: var(--amber); }
.review-card header { display: grid; grid-template-columns: 42px minmax(0, 1fr) auto; align-items: center; gap: 10px; }
.review-card header > span { display: grid; place-items: center; width: 42px; height: 42px; background: var(--magenta); border-radius: 50%; font-weight: 800; }
.review-card header strong { font-size: 14px; }
.review-card time { color: #98a8bb; font-size: 12px; }
.review-card p { margin-top: 28px; color: #d3dce7; font-size: 14px; }

.download-section { padding: 74px 0; background: var(--paper); }
.download-inner {
  position: relative;
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) 220px;
  align-items: stretch;
  min-height: 190px;
  background: var(--white);
  border: 1px solid var(--line);
}
.download-inner::before {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 7px;
  background: repeating-linear-gradient(90deg, var(--cyan) 0 32px, var(--amber) 32px 64px, var(--magenta) 64px 96px);
  content: "";
}
.envelope-seal { position: relative; display: grid; place-items: center; border-right: 1px solid var(--line); background: #eae4d9; overflow: hidden; }
.envelope-seal::before, .envelope-seal::after { position: absolute; width: 150px; height: 1px; background: #c5bdae; content: ""; transform-origin: center; }
.envelope-seal::before { transform: rotate(34deg); }
.envelope-seal::after { transform: rotate(-34deg); }
.envelope-seal i { z-index: 1; width: 70px; height: 70px; background: var(--magenta); border: 7px double var(--paper); border-radius: 50%; }
.download-copy { display: flex; flex-direction: column; justify-content: center; padding: 30px 38px; }
.download-copy h2 { margin-top: 6px; font-size: 30px; line-height: 1.25; }
.download-copy > span { margin-top: 10px; color: var(--muted); }
.download-stamp { display: flex; flex-direction: column; justify-content: center; gap: 15px; padding: 26px; color: var(--white); background: var(--navy); }
.download-stamp > span { color: #aebaca; font-size: 12px; }
.download-stamp a { display: flex; align-items: center; justify-content: space-between; padding: 15px 17px; color: var(--navy-deep); background: var(--amber); font-weight: 800; }

.site-footer { color: var(--white); background: var(--navy-deep); }
.footer-main { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 44px 0 32px; }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 14px 25px; }
.footer-nav a { color: #d2dce7; font-size: 13px; }
.footer-bottom { padding: 18px 0 24px; border-top: 1px solid rgba(255,255,255,.3); text-align: center; }
.footer-bottom p { color: #9aa9ba; font-size: 12px; }
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  padding: 0;
  background: var(--amber);
  border: 1px solid var(--navy-deep);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; }
.back-to-top i { width: 18px; height: 18px; background: url("../icons/top.svg") center / contain no-repeat; }

a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }

@media (max-width: 980px) {
  :root { --header-height: 66px; }
  .header-inner, .section-inner, .hero-inner, .download-inner, .footer-inner { width: min(100% - 28px, 1200px); }
  .site-header { height: var(--header-height); }
  .header-inner { gap: 12px; }
  .brand { margin-right: auto; }
  .brand img { width: 40px; height: 40px; }
  .brand-copy strong { font-size: 16px; }
  .brand-copy span { max-width: none; overflow: visible; text-overflow: clip; }
  .mobile-actions { display: flex; }
  .primary-nav {
    position: fixed;
    inset: var(--header-height) 0 auto;
    display: none;
    margin: 0;
    padding: 10px 14px 18px;
    background: var(--navy-deep);
    border-top: 1px solid #283750;
  }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { display: grid; gap: 0; }
  .primary-nav a { padding: 14px 6px; border-bottom: 1px solid #283750; }
  .primary-nav a::after { display: none; }
  .hero, .hero-inner { min-height: auto; }
  .hero-inner { grid-template-columns: 1fr; gap: 50px; padding: 70px 0; }
  .hero-copy { text-align: center; }
  .hero-copy h1 { font-size: clamp(58px, 16vw, 86px); white-space: normal; }
  .hero-copy h2 { font-size: 29px; }
  .hero-description { margin-right: auto; margin-left: auto; }
  .hero-actions { justify-items: center; }
  .hero-index { justify-content: center; flex-wrap: wrap; }
  .case-desk { max-width: 560px; width: 100%; margin: 0 auto; }
  .section { padding: 74px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 14px; margin-bottom: 34px; }
  .archive-folder { grid-template-columns: 1fr; }
  .archive-progress { min-height: auto; }
  .network-board { min-height: 680px; padding: 30px; }
  .network-origin { left: 50%; top: 28px; transform: translateX(-50%); }
  .branch-top article { left: 8%; top: 235px; }
  .branch-bottom article { left: auto; right: 8%; top: 235px; }
  .branch-top .result-file { left: 8%; right: auto; top: auto; bottom: 38px; }
  .branch-bottom .result-file { right: 8%; bottom: 38px; }
  .answer-chip, .network-lines { display: none; }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
  .download-inner { grid-template-columns: 130px minmax(0, 1fr) 190px; }
}

@media (max-width: 640px) {
  body { font-size: 14px; }
  .header-inner, .section-inner, .hero-inner, .download-inner, .footer-inner { width: calc(100% - 24px); }
  .brand-copy span { font-size: 12px; }
  .mobile-download { min-width: 82px; padding: 9px 10px; }
  .hero-inner { gap: 38px; padding: 54px 0 64px; }
  .hero-copy h1 { font-size: 58px; }
  .hero-copy h2 { margin-top: 22px; font-size: 25px; }
  .hero-description { font-size: 14px; }
  .hero-index { gap: 12px 18px; }
  .case-desk { min-height: 450px; padding: 22px; box-shadow: 12px 12px 0 rgba(5,13,27,.36); }
  .dossier-paper { min-height: 400px; padding: 20px; transform: none; }
  .dossier-question strong { font-size: 20px; }
  .profile-card { right: 0; width: 130px; }
  .clue-lines i { width: 80px; }
  .desk-note { display: none; }
  .section-heading h2 { font-size: 38px; }
  .archive-fields { grid-template-columns: 1fr; }
  .archive-fields article, .archive-fields article:nth-child(2n) { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .archive-fields article:last-child { border-bottom: 0; }
  .network-board { min-height: 850px; padding: 22px 12px; }
  .network-origin { width: calc(100% - 48px); }
  .branch-top article, .branch-bottom article { left: 24px; right: 24px; width: auto; }
  .branch-top article { top: 220px; }
  .branch-bottom article { top: 345px; }
  .branch-top .result-file, .branch-bottom .result-file { left: 24px; right: 24px; width: auto; }
  .branch-top .result-file { top: 485px; bottom: auto; }
  .branch-bottom .result-file { top: 650px; bottom: auto; }
  .screen-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .screen-card figcaption { min-height: 62px; padding: 12px; gap: 8px; }
  .screen-card figcaption strong { font-size: 13px; }
  .faq-item > button { grid-template-columns: 36px minmax(0, 1fr) 18px; min-height: 68px; padding: 14px 12px; }
  .faq-item > button strong { font-size: 14px; }
  .faq-answer { padding: 0 18px 18px 48px; }
  .official-site summary { grid-template-columns: 28px minmax(0, 1fr) 18px; padding: 14px; }
  .official-site > div { padding: 0 48px 20px; }
  .review-grid { grid-template-columns: 1fr; }
  .review-card { min-height: 0; padding: 22px; }
  .review-card header { grid-template-columns: 42px minmax(0, 1fr) auto; }
  .review-card time { justify-self: end; text-align: right; }
  .download-section { padding: 54px 0; }
  .download-inner { grid-template-columns: 1fr; }
  .envelope-seal { min-height: 115px; border-right: 0; border-bottom: 1px solid var(--line); }
  .download-copy { padding: 25px 22px; text-align: center; }
  .download-copy h2 { font-size: 25px; }
  .download-stamp { align-items: center; text-align: center; }
  .download-stamp a { width: 100%; max-width: 280px; }
  .footer-main { flex-direction: column; align-items: center; text-align: center; }
  .footer-nav { justify-content: center; }
  .back-to-top { right: 12px; bottom: 12px; width: 46px; height: 46px; }
}

@media (hover: none) and (pointer: coarse) {
  a, button, summary { -webkit-tap-highlight-color: transparent; transition: none !important; }
  a:active, button:active, summary:active { opacity: 1; filter: none; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}