@charset "UTF-8";

:root { --red: #ff8f9c; --lime: #ddff83; --ink: #1d344d; --paper: #fff9fa; --line: #2a4660; --muted: #667789; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; line-height: 1.6; }
a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; tap-highlight-color: transparent; }
button, summary { -webkit-tap-highlight-color: transparent; tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
.topbar { height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 18px; color: var(--ink); background: var(--lime); border-bottom: 2px solid var(--red); position: sticky; top: 0; z-index: 20; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 900; letter-spacing: -.04em; }
.brand img { width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.85); object-fit: cover; }
.top-download { padding: 9px 16px; font-weight: 800; font-size: 14px; color: #fff; background: var(--ink); border: 1px solid var(--ink); }
.top-download:hover, .top-download:focus-visible { color: var(--ink); background: #fff; }
.hero-shell { min-height: 620px; display: grid; grid-template-columns: clamp(220px, 15vw, 280px) minmax(0, 1fr); background: #fff; }
.channel-rail { padding: 18px 10px 36px; background: #fff; border-right: 2px solid var(--line); display: flex; flex-direction: column; }
.channel-rail ul { margin: 0; padding: 0; list-style: none; }
.channel-rail li + li { margin-top: 10px; }
.channel-rail a { min-height: 55px; display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; border: 2px solid var(--line); font-size: 16px; font-weight: 800; transition: .18s ease; }
.channel-rail a:hover, .channel-rail a:focus-visible, .channel-rail a.is-current { color: #fff; background: var(--red); border-color: var(--red); }
.channel-rail small { font-size: 11px; font-weight: 900; }
.channel-rail > p { margin: auto 14px 0; padding-top: 35px; color: #777; font-size: 13px; font-style: italic; border-top: 1px solid #a4a4a4; }
.rail-toggle { display: none; }
.hero-stage { min-width: 0; min-height: 620px; position: relative; display: flex; align-items: center; padding: clamp(36px, 8vw, 140px); background: url("../images/bjt.jpg") center center / cover no-repeat; isolation: isolate; }
.hero-stage::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(0,0,0,.8) 0 38%, rgba(0,0,0,.23) 66%, rgba(0,0,0,.08)); }
.hero-copy { max-width: 570px; padding: 28px 34px 30px; color: #fff; background: rgba(7,7,7,.84); border-left: 7px solid var(--red); }
.hero-kicker, .section-heading > p { margin: 0 0 7px; color: var(--red); font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.hero-copy h1 { margin: 0; font-size: clamp(56px, 7vw, 98px); line-height: .9; letter-spacing: -.08em; }
.hero-slogan { display: table; margin: 22px 0 0; padding: 2px 7px; color: #fff; background: var(--red); font-size: clamp(28px, 3.7vw, 51px); font-weight: 900; line-height: 1.15; }
.hero-description { max-width: 480px; margin: 20px 0; font-size: 16px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 21px; }
.hero-tags span { padding: 3px 9px; border: 1px solid rgba(255,255,255,.68); font-size: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; padding: 12px 19px; font-weight: 900; border: 2px solid transparent; transition: .18s ease; }
.button b { font-size: 20px; line-height: 1; }
.button-light { color: #111; background: #fff; border-color: #fff; }
.button-light:hover, .button-light:focus-visible { color: #fff; background: var(--red); border-color: var(--red); }
.age-label { display: block; margin-top: 17px; color: #d7d7d7; font-size: 12px; }
.content-wrap { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }
.section-block { padding: 82px 0 0; scroll-margin-top: 78px; }
.section-heading { display: flex; align-items: baseline; flex-wrap: wrap; gap: 0 15px; margin-bottom: 24px; }
.section-heading h2 { margin: 0; font-size: clamp(29px, 4vw, 43px); line-height: 1.05; letter-spacing: -.055em; }
.section-heading > span { color: var(--muted); font-size: 14px; }
.guide-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; align-items: stretch; }
.schedule-table { border: 2px solid var(--line); }
.schedule-row { min-height: 57px; display: grid; grid-template-columns: 75px 132px minmax(0, 1fr); align-items: center; border-top: 1px solid var(--line); }
.schedule-row:first-child { border-top: 0; }
.schedule-row > * { padding: 9px 13px; }
.schedule-row > * + * { border-left: 1px solid var(--line); }
.schedule-head { min-height: 45px; color: #fff; background: var(--ink); }
.schedule-row strong { font-size: 14px; }.schedule-row span { font-size: 13px; }
.cover-strip { min-width: 0; display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); border: 2px solid var(--line); overflow: hidden; }
.cover-strip figure { min-width: 0; margin: 0; position: relative; border-left: 1px solid var(--line); background: #fff; }.cover-strip figure:first-child { border-left: 0; }
.cover-strip img { width: 100%; height: 100%; min-height: 164px; object-fit: contain; background: #ececec; }
.cover-strip figcaption, .mosaic figcaption, .arrange-art figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 8px; color: #fff; background: rgba(0,0,0,.78); font-size: 12px; font-weight: 800; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }.value-grid article, .steps-grid article { min-height: 180px; padding: 20px; border: 2px solid var(--line); background: transparent; }.value-grid span, .steps-grid b { display: block; color: var(--red); font-size: 13px; font-weight: 900; }.value-grid h3, .steps-grid h3 { margin: 18px 0 7px; font-size: 19px; }.value-grid p, .steps-grid p { margin: 0; color: #4d4d4d; font-size: 14px; }
.arrange-section { display: grid; grid-template-columns: 1fr .72fr; gap: 22px; align-items: stretch; }.arrange-copy { padding: 23px; border: 2px solid var(--line); }.arrange-copy .section-heading { margin-bottom: 18px; }.arrange-copy ol { margin: 0; padding: 0; list-style: none; }.arrange-copy li { display: grid; grid-template-columns: 42px 1fr; gap: 13px; padding: 13px 0; border-top: 1px solid #bbb; }.arrange-copy li b { color: var(--red); font-size: 18px; }.arrange-copy h3 { margin: 0; font-size: 16px; }.arrange-copy p { margin: 4px 0 0; color: #555; font-size: 14px; }.arrange-art { margin: 0; min-height: 330px; position: relative; border: 2px solid var(--line); background: #fff; }.arrange-art img { width: 100%; height: 100%; object-fit: contain; }
.steps-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 11px; }.steps-grid article { min-height: 160px; }.steps-grid h3 { margin-top: 22px; }
.faq-list { border-top: 2px solid var(--line); }.faq-list details { border-bottom: 1px solid var(--line); }.faq-list summary { padding: 17px 12px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-size: 16px; font-weight: 800; list-style: none; }.faq-list summary::-webkit-details-marker { display: none; }.faq-list summary span { color: var(--red); font-size: 22px; transition: transform .2s; }.faq-list details[open] summary span { transform: rotate(45deg); }.faq-list p { max-width: 850px; margin: 0; padding: 0 12px 18px; color: #505050; font-size: 14px; }.faq-list p a { color: var(--red); text-decoration: underline; }
.mosaic { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-rows: 176px; gap: 10px; }.mosaic figure { margin: 0; position: relative; overflow: hidden; border: 2px solid var(--line); background: #fff; }.mosaic-main { grid-column: span 2; grid-row: span 2; }.mosaic figure:last-child { grid-column: span 2; }.mosaic img { width: 100%; height: 100%; object-fit: cover; object-position: center; transition: transform .25s ease; }.mosaic figure:hover img { transform: scale(1.025); }
.note-section { display: grid; grid-template-columns: 1.05fr .95fr; gap: 35px; padding-bottom: 82px; }.suggestion-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 11px; }.suggestion-grid a { min-height: 112px; padding: 18px; border: 2px solid var(--line); }.suggestion-grid a:hover, .suggestion-grid a:focus-visible { color: #fff; background: var(--ink); }.suggestion-grid b, .suggestion-grid span { display: block; }.suggestion-grid b { font-size: 16px; }.suggestion-grid span { margin-top: 7px; font-size: 13px; opacity: .82; }.editorial { padding-left: 25px; border-left: 5px solid var(--red); }.editorial h2 { margin: 0 0 15px; font-size: 30px; line-height: 1.1; }.editorial > p:not(.hero-kicker) { color: #555; }.editorial a { display: inline-block; margin-top: 12px; font-weight: 900; color: var(--red); border-bottom: 2px solid currentColor; }
.voices-section { padding: 75px 0; color: #fff; background: var(--ink); }.section-heading-dark > p { color: var(--lime); }.section-heading-dark > span { color: #d7e1eb; }.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }.review-card { min-height: 152px; display: grid; grid-template-columns: 38px 1fr; gap: 12px; padding: 17px; border: 1px solid #7f98ad; }.review-avatar { width: 38px; height: 38px; display: grid; place-items: center; color: var(--ink); background: var(--lime); font-weight: 900; }.review-card header { display: flex; justify-content: space-between; gap: 8px; }.review-card header span, .review-card time { color: #d7e1eb; font-size: 11px; }.review-card p { margin: 11px 0; font-size: 13px; line-height: 1.65; }.review-card time { display: block; text-align: right; }
.download-section { padding: 88px 24px; text-align: center; background: #fff; }.download-section > div { max-width: 650px; margin: auto; }.download-section p { margin: 0; color: var(--red); font-size: 12px; font-weight: 900; letter-spacing: .12em; }.download-section h2 { margin: 10px 0; font-size: clamp(32px, 5vw, 52px); line-height: 1.05; letter-spacing: -.06em; }.download-section span { display: block; margin-bottom: 22px; color: var(--muted); }.button-red { color: var(--ink); background: var(--lime); border-color: var(--lime); }.button-red:hover, .button-red:focus-visible { color: #fff; background: var(--ink); border-color: var(--ink); }
.site-footer { min-height: 210px; display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: start; padding: 43px max(24px, calc((100% - 1200px) / 2)); color: #fff; background: var(--ink); }.footer-brand img { border-color: var(--red); }.site-footer p { margin: 9px 0 0; color: #d7e1eb; font-size: 13px; }.site-footer ul { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 14px 22px; margin: 4px 0 0; padding: 0; list-style: none; font-size: 14px; }.site-footer ul a:hover { color: var(--lime); }.site-footer small { grid-column: 1 / -1; justify-self: center; color: #c7d4df; text-align: center; }.back-top { width: 42px; height: 42px; position: fixed; right: 20px; bottom: 20px; display: grid; place-items: center; padding: 0; color: var(--ink); background: var(--lime); border: 2px solid #fff; cursor: pointer; opacity: 0; pointer-events: none; transition: .2s; z-index: 15; font-size: 20px; }.back-top.is-visible { opacity: 1; pointer-events: auto; }.back-top:focus-visible { outline: 3px solid var(--red); outline-offset: 2px; }
@media (max-width: 900px) { .hero-shell { grid-template-columns: 1fr; }.channel-rail { padding: 0; border: 0; border-bottom: 2px solid var(--line); }.channel-rail > p { display: none; }.rail-toggle { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; color: #fff; background: var(--ink); border: 0; font: inherit; font-weight: 900; cursor: pointer; }.channel-rail ul { display: none; padding: 10px; }.channel-rail ul.is-open { display: block; }.hero-stage { min-height: 550px; padding: 45px 24px; }.hero-copy { max-width: 600px; }.guide-layout, .arrange-section, .note-section { grid-template-columns: 1fr; }.cover-strip { overflow-x: auto; grid-template-columns: repeat(5, 142px); }.cover-strip img { min-height: 160px; }.review-grid { grid-template-columns: 1fr; }.site-footer { grid-template-columns: 1fr; }.site-footer ul { justify-content: flex-start; } }
@media (max-width: 620px) { body { padding-top: 57px; }.topbar { width: 100%; height: 57px; position: fixed; top: 0; left: 0; padding: 0 12px; transform: translateZ(0); will-change: transform; }.brand { font-size: 18px; }.brand img { width: 30px; height: 30px; }.top-download { padding: 8px 10px; font-size: 12px; }.hero-stage { min-height: 520px; padding: 28px 14px; }.hero-copy { padding: 23px 18px; }.hero-copy h1 { font-size: 57px; }.hero-slogan { font-size: 31px; }.hero-description { font-size: 14px; }.content-wrap { width: min(100% - 28px, 1200px); }.section-block { padding-top: 58px; }.section-heading { display: block; }.section-heading h2 { margin-bottom: 8px; }.schedule-table { overflow-x: auto; }.schedule-row { min-width: 540px; }.value-grid, .steps-grid { grid-template-columns: 1fr; }.value-grid article, .steps-grid article { min-height: 0; }.mosaic { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 145px; }.mosaic-main { grid-column: span 2; grid-row: span 2; }.mosaic figure:last-child { grid-column: span 2; }.suggestion-grid { grid-template-columns: 1fr; }.note-section { gap: 48px; padding-bottom: 60px; }.voices-section, .download-section { padding: 58px 14px; }.site-footer { padding: 35px 14px; text-align: center; justify-items: center; }.site-footer .footer-brand { justify-content: center; }.site-footer ul { justify-content: center; }.site-footer small { justify-self: center; }.back-top { right: 12px; bottom: 12px; } }
@media (hover: none) and (pointer: coarse) { a, button, summary { -webkit-tap-highlight-color: transparent; tap-highlight-color: transparent; touch-action: manipulation; } a:active, button:active, summary:active { transition: none !important; animation: none !important; } }
@media (hover: none) { .top-download:hover { color: #fff; background: var(--ink); }.button-light:hover { color: #111; background: #fff; border-color: #fff; }.button-red:hover { color: var(--ink); background: var(--lime); border-color: var(--lime); }.channel-rail a:hover { color: var(--ink); background: #fff; border-color: var(--line); }.channel-rail a.is-current:hover { color: #fff; background: var(--red); border-color: var(--red); } }