:root {
  --sun: #ffd166;
  --teal: #00a6a6;
  --paper: #fff7f2;
  --surface: #ffffff;
  --ink: #1f2937;
  --muted: #657080;
  --line: #f0deda;
  --peach: #ffbf99;
  --site-width: 75rem;
  --section-space: clamp(4.5rem, 8vw, 7rem);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--paper); font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif; }
a { color: inherit; }
img { max-width: 100%; }
.site-shell { width: min(calc(100% - 2.5rem), var(--site-width)); margin: 0 auto; }
.site-header { position: sticky; z-index: 20; top: 0; border-bottom: 1px solid var(--line); background: rgba(255, 247, 242, .95); backdrop-filter: blur(12px); }
.header-inner { display: flex; min-height: 4.5rem; align-items: center; gap: 1.75rem; }
.brand { display: inline-flex; align-items: center; gap: .52rem; color: var(--ink); font-size: 1.2rem; font-weight: 800; text-decoration: none; white-space: nowrap; }
.brand-icon { display: grid; width: 2.3rem; height: 2.3rem; place-items: center; }
.brand-icon img { display: block; width: 100%; height: 100%; object-fit: contain; }
.site-nav { display: flex; gap: 1.8rem; align-items: center; margin-left: auto; }
.site-nav a { position: relative; padding: .5rem 0; color: #52606e; font-size: .875rem; font-weight: 600; text-decoration: none; }
.site-nav a::after { position: absolute; right: 0; bottom: .1rem; left: 0; height: .18rem; background: var(--sun); content: ""; opacity: 0; transform: scaleX(.4); transition: opacity .18s ease, transform .18s ease; }
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after { opacity: 1; transform: scaleX(1); }
.header-download { padding: .62rem .95rem; border: 1px solid var(--ink); border-radius: .375rem; background: #fff; color: var(--ink); font-size: .8125rem; font-weight: 800; text-decoration: none; white-space: nowrap; transition: background .18s ease, transform .18s ease; }
.header-download:hover { background: var(--sun); transform: translateY(-1px); }
h1, h2, h3, p { margin-top: 0; }
.button { display: inline-flex; min-height: 3.25rem; align-items: center; justify-content: center; padding: 0 1.55rem; border-radius: .5rem; font-size: 1rem; font-weight: 800; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; }
.button-primary { display: flex; width: 100%; margin-top: 1.55rem; background: var(--sun); color: var(--ink); box-shadow: .3rem .3rem 0 var(--ink); }
.button-primary:hover { background: var(--sun); box-shadow: .15rem .15rem 0 var(--ink); transform: translate(.15rem, .15rem); }
.hero .button-primary { display: inline-flex; width: auto; min-height: 3.75rem; padding: 0 2.1rem; font-size: 1.1rem; }
.hero { position: relative; display: grid; min-height: 48rem; max-width: 82.5rem; margin: 0 auto; padding: 3.4rem 1.25rem 4.25rem; overflow: hidden; place-items: start center; isolation: isolate; }
.hero-copy { position: relative; z-index: 4; width: 100%; max-width: 44rem; margin-top: .35rem; padding: 0 .25rem; text-align: center; }
h1 { max-width: 44rem; margin: .8rem auto 1rem; overflow-wrap: anywhere; font-size: clamp(2.9rem, 4.1vw, 3.7rem); line-height: 1.04; letter-spacing: 0; }
.hero-summary { max-width: 30rem; margin: 0 auto; color: var(--muted); font-size: 1.125rem; line-height: 1.5; }
.platform-note { margin: .9rem 0 0; color: #7b8390; font-size: .8125rem; }
.hero-phone { position: absolute; z-index: 1; width: 10.25rem; padding: .52rem; overflow: hidden; aspect-ratio: 9 / 15.5; border: 3px solid var(--ink); border-radius: .8rem; background: #fff; box-shadow: .3rem .3rem 0 rgba(31, 41, 55, .08); transform: rotate(var(--rotation)); }
.hero-phone::before { display: block; width: 2.65rem; height: .42rem; margin: 0 auto .5rem; border-radius: 99px; background: var(--ink); content: ""; }
.hero-phone img { display: block; width: 100%; height: calc(100% - .92rem); border-radius: .28rem; object-fit: cover; object-position: top; }
.hero-phone-left-top { top: 23.35rem; left: 14%; --rotation: -5deg; }
.hero-phone-right-top { top: 23rem; right: 14%; --rotation: 5deg; }
.hero-phone-left-bottom { bottom: 4.25rem; left: 24.5%; --rotation: 5deg; }
.hero-phone-right-bottom { right: 24.5%; bottom: 4.4rem; --rotation: -5deg; }
.hero-card { position: absolute; z-index: 2; width: 12.4rem; height: 15.9rem; padding: .25rem; overflow: hidden; border: 3px solid var(--ink); border-radius: .85rem; background: #fff; box-shadow: .34rem .34rem 0 var(--peach); }
.hero-card-center { bottom: 4.05rem; left: 50%; transform: translateX(-50%) rotate(-2deg); }
.app-home-mock { width: 100%; height: 100%; overflow: hidden; background: #fff; color: var(--ink); font-size: clamp(.42rem, .8vw, .75rem); }
.app-home-top { display: flex; align-items: center; justify-content: space-between; min-height: 14%; padding: 0 4%; border-bottom: 1px solid #e8edf0; }
.app-home-top strong { font-size: 1.15em; }
.mock-actions { display: flex; gap: .3em; }
.mock-actions i { width: .9em; height: .9em; border-radius: .22em; background: #e8edf0; }
.app-home-tabs { display: flex; gap: 1.4em; align-items: center; height: 13%; padding: 0 4%; color: #7f8b98; }
.app-home-tabs b { position: relative; color: var(--ink); }
.app-home-tabs b::after { position: absolute; right: 0; bottom: -.42em; left: 0; height: .18em; border-radius: 99px; background: var(--sun); content: ""; }
.mock-cover { display: block; overflow: hidden; border: 1px solid var(--ink); border-radius: .28em; object-fit: cover; object-position: top; }
.app-home-hero { display: flex; flex-direction: column; border-radius: .42rem; }
.app-home-hero .app-home-tabs { gap: .65em; }
.app-home-cards { display: grid; grid-template-columns: 1fr 1fr; gap: .55em; padding: .45em 6%; }
.app-home-cards div { min-width: 0; }
.app-home-cards .mock-cover { width: 100%; height: 7.8em; }
.app-home-cards span { display: block; margin-top: .35em; overflow: hidden; color: #657080; font-size: .82em; white-space: nowrap; text-overflow: ellipsis; }
.app-home-lines { display: grid; gap: .45em; padding: .5em 7%; }
.app-home-lines i { height: .55em; border-radius: 99px; background: #eae4d9; }
.app-home-lines i:nth-child(2) { width: 78%; }
.app-home-lines i:nth-child(3) { width: 88%; }
.app-home-discovery { padding-bottom: 24%; }
.app-home-content { display: grid; grid-template-columns: 20% 1fr 23%; gap: 2%; height: 70%; padding: 0 4%; }
.app-home-shelf, .app-home-list { display: flex; flex-direction: column; gap: .55em; padding: .55em; border-radius: .42em; background: #fff8f5; }
.app-home-shelf .mock-cover { width: 100%; height: 48%; }
.app-home-shelf b { font-size: .9em; }
.app-home-shelf small, .app-home-story small, .app-home-list span { color: #657080; font-size: .72em; line-height: 1.35; }
.app-home-story { display: flex; flex-direction: column; gap: .5em; padding: .7em; border-radius: .45em; background: #f7f1e6; }
.app-home-story > span { color: #ff5a5f; font-size: .76em; font-weight: 800; }
.app-home-story > div { display: grid; grid-template-columns: 44% 1fr; gap: .65em; padding: .55em; border: 1px solid var(--ink); border-radius: .35em; background: #fffdf9; }
.app-home-story .mock-cover { width: 100%; min-height: 4em; }
.app-home-story p { display: flex; flex-direction: column; justify-content: center; gap: .5em; margin: 0; }
.app-home-story p b { font-size: .9em; line-height: 1.3; }
.app-home-story > i { width: 88%; height: .55em; border-radius: 99px; background: #ddd6ca; }
.app-home-story > i:last-child { width: 72%; }
.app-home-list b { font-size: .95em; }
.app-home-list span { padding-bottom: .5em; border-bottom: 1px solid #eadfd9; }
.app-home-list span:nth-child(4) { color: #ff5a5f; }
.section { padding: var(--section-space) 0; }
.section-intro { max-width: 38rem; }
.section-intro h2, .download-section h2 { margin: .55rem 0 .75rem; font-size: clamp(2rem, 3.5vw, 2.7rem); line-height: 1.13; letter-spacing: 0; }
.section-intro > p:last-child { margin-bottom: 0; color: var(--muted); font-size: 1rem; line-height: 1.7; }
.feature-section { position: relative; padding-top: clamp(4.5rem, 7vw, 6.5rem); padding-bottom: clamp(4.5rem, 7vw, 6.5rem); overflow: hidden; border-top: 3px solid var(--ink); border-radius: 1.5rem 1.5rem 0 0; background: var(--surface); }
.feature-layout { display: grid; grid-template-columns: minmax(20rem, .85fr) minmax(30rem, 1.15fr); gap: clamp(3rem, 6vw, 6rem); align-items: center; }
.feature-copy { position: relative; z-index: 2; }
.feature-copy h2 { max-width: 26rem; margin: .55rem auto .8rem; font-size: clamp(2.2rem, 3.8vw, 3.15rem); line-height: 1.04; text-align: center; }
.feature-copy > p { max-width: 27rem; margin-bottom: 2.45rem; color: var(--muted); font-size: 1rem; line-height: 1.72; }
.feature-steps { display: grid; gap: .75rem; margin: 0; padding: 0; list-style: none; text-align: left; }
.feature-steps li { display: grid; grid-template-columns: 2.1rem 1fr; gap: 1rem; align-items: start; min-height: 6.3rem; padding: 1.15rem 1.2rem; border: 2px solid var(--ink); border-radius: .75rem; background: #fff; transition: transform .18s ease, box-shadow .18s ease; }
.feature-steps li:hover { box-shadow: .25rem .25rem 0 var(--sun); transform: translate(-.08rem, -.08rem); }
.feature-steps li > span { display: grid; width: 2.1rem; height: 2.1rem; place-items: center; border-radius: .4rem; background: var(--sun); color: var(--ink); font-size: .75rem; font-weight: 800; }
.feature-steps li:nth-child(2) > span { background: #bde7e5; }
.feature-steps li:nth-child(3) > span { background: #ffd5bf; }
.feature-steps h3 { margin: .05rem 0 .34rem; font-size: 1.0625rem; }
.feature-steps p { margin-bottom: 0; color: var(--muted); font-size: .875rem; line-height: 1.65; }
.feature-quick-links { position: absolute; z-index: 2; right: 6%; bottom: 7%; left: 6%; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .45rem; }
.feature-quick-link { display: grid; gap: .26rem; align-items: center; justify-items: center; color: var(--ink); font-size: .58rem; font-weight: 800; line-height: 1.2; text-align: center; text-decoration: none; }
.feature-quick-icon { display: grid; width: 2.65rem; height: 2.65rem; place-items: center; border: 1px solid var(--line); border-radius: .62rem; background: rgba(255, 247, 242, .94); }
.feature-quick-link:nth-child(2) .feature-quick-icon { background: #eefaf9; }
.feature-quick-link:nth-child(3) .feature-quick-icon { background: #fff1eb; }
.feature-quick-link:nth-child(4) .feature-quick-icon { background: #fff7dc; }
.feature-quick-link:nth-child(5) .feature-quick-icon { background: #fff0f0; }
.feature-quick-icon img { display: block; width: 2rem; height: 2rem; }
.feature-quick-link[href]:hover .feature-quick-icon { box-shadow: .15rem .15rem 0 var(--ink); transform: translate(-.08rem, -.08rem); }
.feature-collage { position: relative; width: 100%; min-height: 0; aspect-ratio: 10 / 8.5; isolation: isolate; }
.feature-collage::before { position: absolute; top: 5%; right: 1%; bottom: 5%; left: 10%; border: 1px solid var(--line); border-radius: 1.15rem; background: #fff8f5; content: ""; transform: rotate(-2deg); }
.discovery-screen { position: absolute; top: 8%; left: 3%; width: min(94%, 35.5rem); overflow: hidden; aspect-ratio: 10 / 7; border: 3px solid var(--ink); border-radius: .95rem; background: #fff; box-shadow: .55rem .55rem 0 var(--peach); transform: rotate(2.5deg); }
.collage-spark { position: absolute; z-index: 2; top: 1%; right: 2%; display: block; width: clamp(3.2rem, 6vw, 4.5rem); height: clamp(3.2rem, 6vw, 4.5rem); }
.reader-heading { width: min(100%, 40rem); margin: 0 auto clamp(2.5rem, 5vw, 4rem); text-align: center; }
.feature-section .reader-heading { margin-top: clamp(3.5rem, 6vw, 5rem); }
.reader-heading h2 { max-width: 100%; margin: .55rem 0 0; overflow-wrap: anywhere; font-size: clamp(2.2rem, 3.75vw, 3rem); line-height: 1.05; }
.reader-heading-summary { max-width: 34rem; margin: 1rem auto 0; color: var(--muted); font-size: 1rem; line-height: 1.7; }
.reader-panel { display: grid; grid-template-columns: 36% 64%; min-height: 34rem; overflow: hidden; border: 3px solid var(--ink); border-radius: 1.4rem; background: var(--sun); }
.reader-copy { padding: 5.25rem 2.6rem 3rem; }
.reader-copy h3 { margin: 0 0 1rem; font-size: clamp(2rem, 3vw, 2.8rem); line-height: 1.08; font-weight: 700; }
.reader-benefits { display: grid; gap: .75rem; margin: 0; padding: 0; list-style: none; }
.reader-benefits li { position: relative; padding-left: 1rem; }
.reader-benefits li::before { position: absolute; top: .43rem; left: 0; width: .45rem; height: .45rem; border-radius: 50%; background: #ff5a5f; content: ""; }
.reader-benefits li:nth-child(2)::before { background: var(--teal); }
.reader-benefits li:nth-child(3)::before { background: #f0ae25; }
.reader-benefits li:nth-child(4)::before { background: #ffd8c5; }
.reader-benefits strong { display: block; margin-bottom: .18rem; color: var(--ink); font-size: .875rem; }
.reader-benefits span { display: block; color: #455468; font-size: .75rem; line-height: 1.5; }
.reader-copy .button-primary, .reader-copy .button-primary:hover { background: #ff5a5f; color: #fff; }
.reader-stage { position: relative; display: flex; min-height: 0; align-items: flex-start; justify-content: flex-end; padding: 3.8rem 9% 3.2rem 0; overflow: hidden; }
.reader-stage::before { position: absolute; top: 3.3rem; right: -5rem; width: 31rem; height: 31rem; border: 2px solid rgba(31, 41, 55, .18); border-radius: 50%; content: ""; }
.reader-device { position: relative; z-index: 1; width: min(100%, 37rem); overflow: hidden; aspect-ratio: 10 / 7; border: 3px solid var(--ink); border-radius: .75rem; background: #fff; box-shadow: .55rem .55rem 0 var(--peach); transform: rotate(-1.25deg); }
.reader-mock { width: 100%; height: 100%; background: #fff; color: var(--ink); font-size: clamp(.42rem, .8vw, .78rem); }
.reader-mock-top { display: grid; grid-template-columns: 1fr 1.4fr repeat(3, .15fr); gap: .5em; align-items: center; height: 10%; padding: 0 3%; border-bottom: 1px solid #e8edf0; font-size: .85em; }
.reader-mock-top b { text-align: center; font-size: .9em; }
.reader-mock-top i { width: 1.2em; height: 1.2em; border-radius: .28em; background: #e8edf0; }
.reader-mock-content { display: grid; grid-template-columns: 22% 1fr 23%; gap: 3%; height: 90%; padding: 3%; }
.reader-mock-shelf { display: flex; flex-direction: column; gap: .65em; }
.reader-mock-shelf .mock-cover { width: 58%; height: 34%; }
.reader-mock-shelf b { font-size: 1.15em; }
.reader-mock-shelf small { color: #657080; font-size: .76em; line-height: 1.5; }
.reader-mock-shelf em { align-self: flex-start; padding: .35em .5em; border-radius: .25em; background: #e4f8f4; color: var(--teal); font-size: .7em; font-style: normal; }
.reader-mock-story { display: flex; flex-direction: column; gap: .7em; padding: 1em; border-radius: .45em; background: #f7f1e6; }
.reader-mock-story > div { display: grid; grid-template-columns: 48% 1fr; gap: .8em; height: 56%; padding: .55em; border: 1px solid var(--ink); border-radius: .35em; background: #fffdf9; }
.reader-mock-story .mock-cover { width: 100%; height: 100%; }
.reader-mock-story b { align-self: center; font-size: 1.2em; line-height: 1.45; }
.reader-mock-story > i { width: 100%; height: .55em; border-radius: 99px; background: #ddd6ca; }
.reader-mock-story > i:nth-last-child(2) { width: 68%; }
.reader-mock-story > i:last-child { width: 86%; }
.reader-mock-list { display: flex; flex-direction: column; gap: .7em; padding: .75em; border-radius: .45em; background: #fff7f3; }
.reader-mock-list b { font-size: 1.05em; }
.reader-mock-list span { padding-bottom: .55em; border-bottom: 1px solid #eadfd9; color: #657080; font-size: .8em; }
.reader-mock-list span:nth-child(4) { color: #ff5a5f; }
.reader-label { position: absolute; z-index: 2; display: flex; align-items: center; gap: .55rem; padding: .65rem .8rem; border: 2px solid var(--ink); border-radius: .5rem; background: #fff; box-shadow: .25rem .25rem 0 var(--teal); font-size: .8125rem; font-weight: 800; }
.reader-label::before { width: .62rem; height: .62rem; border-radius: 50%; background: var(--teal); content: ""; }
.reader-label-top { top: 4.6rem; left: 1.1rem; }
.reader-label-bottom { bottom: 2.3rem; left: 50%; transform: translateX(-50%); }
.reader-label-bottom::before { background: var(--sun); }
.hot-section { position: relative; overflow: hidden; border-top: 3px solid var(--ink); border-radius: 1.5rem 1.5rem 0 0; background-color: var(--paper); background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 1rem 1rem; }
.hot-section .site-shell { position: relative; }
.hot-section .site-shell::before { position: absolute; top: -.55rem; right: 7.4rem; width: 3.3rem; height: 3.3rem; background: url("../images/decor-spark.svg") center / contain no-repeat; content: ""; }
.section-heading-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 1.5rem; }
.hot-board { display: grid; grid-template-columns: 1.08fr .92fr; margin-top: 2.2rem; overflow: hidden; border: 2px solid var(--ink); border-radius: .85rem; background: #fff; box-shadow: .35rem .35rem 0 #f5ded2; }
.rank-list { border-right: 1px solid var(--line); }
.rank-item { display: grid; grid-template-columns: 2.45rem 3rem 1fr auto; gap: .8rem; align-items: center; min-height: 4.8rem; padding: .68rem 1.15rem; border-bottom: 1px solid #eee; }
.rank-item:last-child { border-bottom: 0; }
.rank-item > strong { color: #8d8d8d; font-size: 1.05rem; font-style: italic; }
.rank-item:nth-child(-n + 3) > strong { color: var(--sun); }
.rank-cover { width: 2.45rem; height: 3.15rem; border-radius: .22rem; object-fit: cover; object-position: top; }
.rank-item h3 { margin: 0; font-size: .9rem; }
.rank-item p { margin: .3rem 0 0; color: #8d8d8d; font-size: .75rem; }
.rank-item > span { padding: .28rem .45rem; border-radius: .22rem; background: #fff0e7; color: #e96534; font-size: .6875rem; font-weight: 700; }
.rank-discussion { position: relative; min-height: 24rem; overflow: hidden; background: #fff; }
.rank-discussion::before { position: absolute; top: 4.3rem; right: 1.1rem; left: 1.1rem; height: 1px; background: var(--line); content: ""; }
.discussion-title { position: absolute; z-index: 2; top: 1.25rem; left: 1.3rem; color: var(--ink); font-size: .9375rem; font-weight: 800; }
.discussion-title small { display: block; margin-top: .32rem; color: var(--muted); font-size: .6875rem; font-weight: 400; }
.discussion-comments { display: contents; }
.comment { position: absolute; display: flex; align-items: center; gap: .45rem; padding: .52rem .7rem; border: 1px solid var(--line); border-radius: 99px; background: #fffaf7; color: var(--ink); font-size: .75rem; white-space: nowrap; box-shadow: 0 .2rem .45rem rgba(31, 41, 55, .08); }
.comment::before { display: grid; width: 1.2rem; height: 1.2rem; place-items: center; border: 1px solid rgba(31, 41, 55, .16); border-radius: 50%; background: #ff5a5f; color: #fff; content: "漫"; font-size: .625rem; font-weight: 800; }
.comment:nth-of-type(3)::before, .comment:nth-of-type(7)::before { background: var(--teal); }
.comment:nth-of-type(4)::before, .comment:nth-of-type(8)::before { background: var(--sun); color: var(--ink); }
.comment:nth-of-type(5)::before, .comment:nth-of-type(9)::before { background: #ffd8c5; color: var(--ink); }
.comment:nth-of-type(6)::before, .comment:nth-of-type(10)::before { background: #d9f1ef; color: var(--ink); }
.comment-one { top: 5.55rem; left: 9%; }
.comment-two { top: 9.2rem; left: 33%; }
.comment-three { top: 13rem; left: 5%; }
.comment-four { top: 16.7rem; left: 26%; }
.comment-five { top: 20.1rem; left: 10%; }
.comment-six { top: 6.7rem; right: 7%; }
.comment-seven { top: 11rem; right: 6%; }
.comment-eight { top: 15.2rem; right: 8%; }
.comment-nine { top: 20.15rem; right: 5%; }
.faq-section { background: #fff; }
.faq-wrap { width: min(calc(100% - 2.5rem), 47.5rem); margin: 0 auto; }
.text-center { margin-right: auto; margin-left: auto; text-align: center; }
.faq-wrap details { margin-top: .75rem; padding: 1.15rem 1.25rem; border: 2px solid var(--ink); border-radius: .7rem; background: #fff; box-shadow: .22rem .22rem 0 #f5ded2; }
.faq-wrap details[open] { box-shadow: .22rem .22rem 0 var(--sun); }
.faq-wrap summary { cursor: pointer; list-style: none; font-size: 1rem; font-weight: 800; }
.faq-wrap summary::-webkit-details-marker { display: none; }
.faq-wrap summary::after { float: right; color: var(--peach); content: "+"; font-size: 1.4rem; line-height: .9; }
.faq-wrap details[open] summary::after { content: "−"; }
.faq-wrap details p { max-width: 38rem; margin: .75rem 0 0; color: var(--muted); font-size: .875rem; line-height: 1.75; }
.download-section { position: relative; padding: 5.5rem 1.25rem; overflow: hidden; background: #332b36; color: var(--paper); text-align: center; }
.download-section::before, .download-section::after { position: absolute; width: 12rem; height: 12rem; border: 1px solid rgba(255, 209, 102, .35); border-radius: 50%; content: ""; }
.download-section::before { top: -8rem; left: 8%; }
.download-section::after { right: 10%; bottom: -8rem; }
.download-section .site-shell { position: relative; z-index: 1; max-width: 42rem; }
.download-section h2 { margin-top: .55rem; }
.download-section p { margin: 0; color: #e8dde0; line-height: 1.7; }
.button-light { margin-top: 1.7rem; background: var(--sun); color: var(--ink); box-shadow: .32rem .32rem 0 #fff; }
.button-light:hover { background: var(--sun); box-shadow: .16rem .16rem 0 #fff; transform: translate(.16rem, .16rem); }
.download-section small { display: block; margin-top: 1rem; color: #aab4c0; font-size: .75rem; }
.site-footer { padding: 1.45rem 1.25rem; color: #7b8390; background: var(--paper); font-size: .75rem; text-align: center; }
@media (min-width: 48.0625rem) and (max-width: 56rem) {
  .feature-layout { grid-template-columns: 1fr; gap: 2.75rem; }
  .feature-collage { width: min(100%, 42rem); margin: 0 auto; }
  .feature-copy { width: min(100%, 34rem); }
}
@media (max-width: 48rem) {
  .site-shell { width: min(calc(100% - 2rem), var(--site-width)); }
  .site-nav { display: none; }
  .header-inner { min-height: 4rem; }
  .header-download { margin-left: auto; background: var(--sun); }
  .hero { min-height: 40rem; padding: 3.15rem 1rem 2.75rem; }
  .hero-copy { margin-top: 0; }
  h1 { max-width: 21.5rem; margin-top: .8rem; font-size: 2rem; line-height: 1.1; }
  .hero-summary { font-size: 1rem; }
  .hero-phone { width: 7.35rem; border-width: 2px; border-radius: .6rem; }
  .hero-phone::before { width: 2rem; height: .34rem; margin-bottom: .4rem; }
  .hero-phone-left-top { top: 21.9rem; left: 7%; }
  .hero-phone-right-top { top: 21.5rem; right: 7%; }
  .hero-phone-left-bottom, .hero-phone-right-bottom { display: none; }
  .hero-card { width: 8.8rem; height: 11.9rem; border-width: 2px; border-radius: .65rem; box-shadow: .22rem .22rem 0 var(--peach); }
  .hero-card-center { bottom: 2.3rem; }
  .hero .button-primary { display: flex; width: 100%; min-height: 3.55rem; padding: 0 1.8rem; font-size: 1.03rem; }
  .feature-section { padding-top: 4rem; padding-bottom: 4.2rem; border-radius: 1rem 1rem 0 0; }
  .feature-layout, .hot-board, .reader-panel { grid-template-columns: 1fr; }
  .feature-layout { min-height: auto; gap: 2.4rem; }
  .feature-copy { width: 100vw; margin-left: calc(50% - 50vw); padding: 0 1rem; text-align: center; }
  .feature-copy h2 { max-width: 20rem; font-size: 2.25rem; }
  .feature-copy > p { margin-right: auto; margin-bottom: 2rem; margin-left: auto; }
  .feature-steps { width: min(100%, 34rem); margin-right: auto; margin-left: auto; }
  .feature-steps li { min-height: 6.25rem; grid-template-columns: 2rem 1fr; gap: .85rem; padding: 1.05rem; border-width: 2px; border-radius: .65rem; }
  .feature-steps li > span { width: 2rem; height: 2rem; }
  .feature-quick-links { right: 5%; bottom: 5%; left: 5%; gap: .28rem; }
  .feature-quick-link { gap: .18rem; font-size: .49rem; }
  .feature-quick-icon { width: 2rem; height: 2rem; border-radius: .45rem; }
  .feature-quick-icon img { width: 1.55rem; height: 1.55rem; }
  .feature-collage::before { border-radius: .8rem; }
  .discovery-screen { border-width: 2px; box-shadow: .35rem .35rem 0 var(--peach); }
  .feature-section .reader-heading { margin-top: 3rem; }
  .reader-heading { margin-bottom: 2.3rem; }
  .reader-heading h2 { max-width: 20rem; margin-right: auto; margin-left: auto; font-size: 1.85rem; line-height: 1.14; }
  .reader-heading-summary { max-width: 20.5rem; font-size: .875rem; }
  .reader-panel { min-height: 0; gap: 1.25rem; border-width: 2px; border-radius: 1rem; }
  .reader-copy { padding: 3rem 1.8rem 0; }
  .reader-copy h3 { font-size: 2rem; }
  .reader-benefits { gap: .5rem; }
  .reader-stage { padding: 1.4rem 6% 1.4rem 0; }
  .reader-stage::before { display: none; }
  .reader-device { width: 88%; border-width: 2px; box-shadow: .35rem .35rem 0 var(--peach); }
  .reader-label { padding: .55rem .65rem; font-size: .75rem; }
  .reader-label-top { top: 1.2rem; left: .5rem; }
  .reader-label-bottom { bottom: .55rem; }
  .rank-list { border-right: 0; border-bottom: 1px solid var(--line); }
  .rank-discussion { height: 12.25rem; min-height: 0; padding: .85rem .55rem; }
  .rank-discussion::before { display: none; }
  .discussion-title { position: static; width: 100%; padding: 0 0 .65rem; border-bottom: 1px solid var(--line); }
  .discussion-comments { display: grid; width: max-content; grid-auto-flow: column; grid-auto-columns: max-content; grid-template-rows: repeat(3, max-content); gap: .45rem .35rem; padding: .6rem 0 .65rem; }
  .section-heading-row { gap: .75rem; }
  .hot-section .site-shell::before { top: -.45rem; right: .2rem; width: 2.8rem; height: 2.8rem; }
  .hot-board { gap: 0; border-width: 2px; border-radius: .65rem; box-shadow: .22rem .22rem 0 #f5ded2; }
  .hot-section { padding: 3.25rem 0; border-radius: 1rem 1rem 0 0; }
  .rank-item { grid-template-columns: 2rem 2.6rem 1fr auto; gap: .55rem; padding: .6rem .75rem; }
  .rank-item > span { display: none; }
  .comment { position: static; width: fit-content; gap: .25rem; padding: .38rem .42rem; font-size: .55rem; white-space: nowrap; }
  .comment::before { width: 1rem; height: 1rem; flex: 0 0 1rem; font-size: .55rem; }
  .faq-wrap details { margin-top: .65rem; padding: 1rem; border-width: 2px; border-radius: .6rem; }
  .download-section { padding: 4.5rem 1.25rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}