:root {
  --ink: #090a0d;
  --paper: #f4f0e8;
  --line: rgba(255, 255, 255, .13);
  --red: #ed2d2d;
  --orange: #ffb23d;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--paper); font-family: "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif; }
button, a, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }

.site-header { position: fixed; z-index: 20; inset: 0 0 auto; height: 74px; background: rgba(5, 6, 8, .95); border-bottom: 1px solid rgba(255, 255, 255, .08); }
.header-inner { width: min(100% - 48px, 1360px); height: 100%; margin: 0 auto; display: flex; align-items: center; gap: 32px; }
.brand { display: grid; place-items: center; width: 150px; height: 74px; flex: 0 0 auto; }
.brand img { width: 112px; height: auto; display: block; }
.site-nav { align-self: stretch; display: flex; flex: 1; justify-content: center; }
.site-nav a { position: relative; min-width: 132px; padding: 0 24px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 3px; color: #d4d4d6; transition: background .2s, color .2s; }
.site-nav a span { font-size: 16px; letter-spacing: .04em; }
.site-nav a small { color: #85858b; font-size: 9px; letter-spacing: .1em; }
.site-nav a:hover, .site-nav a.active { background: linear-gradient(180deg, rgba(255,255,255,.2), rgba(255,255,255,.05)); color: #fff; }
.site-nav a.active::after { position: absolute; content: ""; left: 24px; right: 24px; bottom: 0; height: 3px; background: var(--red); }
.auth-button { width: 112px; height: 34px; flex: 0 0 auto; color: #f8f5ef; background: transparent; border: 1px solid rgba(255, 255, 255, .7); font-size: 13px; transition: background .2s, border-color .2s; }
.auth-button:hover { background: var(--red); border-color: var(--red); }
.menu-button { display: none; width: 42px; height: 42px; color: #fff; background: transparent; font-size: 24px; }

.hero { position: relative; height: max(646px, 56.25vw); min-height: 0; overflow: hidden; background: #15171e; }
.hero-slides, .hero-slide { position: absolute; inset: 0; }
.hero-slide { z-index: 0; opacity: 0; background-image: var(--slide-image); background-position: center; background-size: cover; background-repeat: no-repeat; transform: scale(1.03); transition: opacity .65s ease, transform 7s ease; }
.hero-slide.is-active { z-index: 1; opacity: 1; transform: scale(1); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0, 0, 0, .3), transparent 48%), linear-gradient(0deg, rgba(9, 10, 13, .36), transparent 34%); }
.hero-content { position: absolute; z-index: 2; left: 50%; bottom: 12%; width: min(760px, 62vw); transform: translateX(-50%); text-align: center; }
.hero-slogan { width: min(690px, 100%); height: auto; filter: drop-shadow(0 8px 8px rgba(0,0,0,.45)); }
.hero-content p { margin: 14px 0 0; color: rgba(255, 255, 255, .9); font-size: 15px; text-shadow: 0 2px 8px #000; }
.hero-status { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; padding: 9px 15px; border: 1px solid rgba(255,255,255,.35); background: rgba(0,0,0,.28); color: rgba(255,255,255,.9); font-size: 12px; }
.hero-status span { width: 7px; height: 7px; border-radius: 50%; background: #60e68a; box-shadow: 0 0 11px #60e68a; }
.hero-content-banner { display: none; }
.hero-content-banner .hero-kicker { color: var(--orange); font-size: 13px; letter-spacing: .2em; }
.hero-content-banner h1 { margin: 14px 0 0; color: #fff; font-size: clamp(38px, 5vw, 72px); line-height: .98; letter-spacing: -.08em; text-shadow: 4px 5px 0 rgba(0,0,0,.6); }
.hero-content-banner h1 em { color: #f9e7bd; font-size: .58em; font-style: normal; letter-spacing: .02em; }
.hero-content-banner p { max-width: 280px; line-height: 1.8; }
.hero-control { position: absolute; z-index: 4; top: 50%; width: 54px; height: 86px; margin-top: -43px; color: #fff; background: rgba(0,0,0,.25); font-family: Georgia, serif; font-size: 50px; font-weight: 300; opacity: .65; transition: opacity .2s, background .2s; }
.hero-control:hover { opacity: 1; background: rgba(0,0,0,.55); }
.hero-prev { left: 0; }
.hero-next { right: 0; }
.hero-dots { position: absolute; z-index: 4; left: 50%; bottom: 27px; transform: translateX(-50%); display: flex; gap: 9px; }
.hero-dots button { width: 33px; height: 3px; padding: 0; background: rgba(255,255,255,.45); transition: width .25s, background .25s; }
.hero-dots button.is-active { width: 58px; background: #fff; }
.hero-side { position: absolute; z-index: 4; display: flex; flex-direction: column; gap: 14px; }
.hero-side button { color: #fff; background: rgba(0,0,0,.38); border: 1px solid rgba(255,255,255,.3); text-shadow: 0 1px 5px #000; transition: background .2s, transform .2s; }
.hero-side button:hover { background: var(--red); transform: translateX(3px); }
.hero-side-left { left: 18px; bottom: 105px; }
.hero-side-left button { width: 108px; padding: 13px 8px; font-size: 13px; }
.hero-side-right { right: 21px; top: 50%; transform: translateY(-28%); }
.hero-side-right button { width: 38px; height: 38px; border-radius: 50%; font-weight: 700; }

.feature-section { position: relative; padding: 92px 24px 84px; background: #0d0e13 url("assets/reference/feature-2.png") center / cover no-repeat; overflow: hidden; }
.feature-section::before { position: absolute; content: ""; inset: 0; background: linear-gradient(180deg, rgba(9,10,13,.16), rgba(9,10,13,.72)); pointer-events: none; }
.feature-title { margin-bottom: 38px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.feature-card { position: relative; min-height: 360px; overflow: hidden; background: #13151b; border: 1px solid rgba(255,255,255,.12); box-shadow: 0 20px 55px rgba(0,0,0,.24); transition: transform .25s, border-color .25s; }
.feature-card:hover { border-color: rgba(255,255,255,.4); transform: translateY(-6px); }
.feature-card-image { position: absolute; inset: 0; background-position: center; background-size: cover; filter: saturate(.9); transition: transform .5s, filter .5s; }
.feature-card:hover .feature-card-image { filter: saturate(1.15); transform: scale(1.06); }
.feature-card-image::after { position: absolute; content: ""; inset: 0; background: linear-gradient(180deg, rgba(7,8,11,.05) 25%, rgba(7,8,11,.94) 88%); }
.feature-card-combat .feature-card-image { background-image: url("assets/reference/banner-1.jpg"); }
.feature-card-class .feature-card-image { background-image: url("assets/reference/banner-3.jpg"); }
.feature-card-growth .feature-card-image { background-image: url("assets/reference/banner-4.jpg"); }
.feature-card-world .feature-card-image { background-image: url("assets/reference/banner-5.jpg"); }
.feature-card-body { position: absolute; z-index: 1; inset: auto 24px 22px; }
.feature-card-body span { color: var(--orange); font-family: Georgia, serif; font-size: 18px; }
.feature-card-body h3 { margin: 8px 0 9px; font-size: 22px; font-weight: 500; }
.feature-card-body p { margin: 0; color: #b2b3b9; font-size: 12px; line-height: 1.8; }
.feature-notice { display: flex; align-items: center; gap: 10px; margin: 22px auto 0; padding: 14px 18px; width: fit-content; max-width: 100%; color: #a6a7ae; background: rgba(0,0,0,.24); border: 1px solid rgba(255,255,255,.1); font-size: 12px; }
.feature-notice strong { color: #f4f0e8; font-weight: 500; }
.feature-notice-dot { width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: #60e68a; box-shadow: 0 0 10px #60e68a; }

.news-section { position: relative; padding: 90px 24px 110px; background: #151219 url("assets/reference/news-bg.jpg") center / cover no-repeat; }
.news-section::before { position: absolute; content: ""; inset: 0; background: linear-gradient(180deg, rgba(9,10,13,.35), rgba(9,10,13,.82)); pointer-events: none; }
.section-wrap { position: relative; z-index: 1; width: min(100%, var(--max)); margin: 0 auto; }
.section-title { display: flex; align-items: center; justify-content: center; gap: 28px; margin-bottom: 43px; text-align: center; }
.section-title small { display: block; color: var(--orange); font-size: 12px; letter-spacing: .26em; }
.section-title h2 { margin: 5px 0 2px; font-family: Georgia, "Microsoft YaHei", serif; font-size: clamp(40px, 4.2vw, 64px); font-weight: 700; letter-spacing: .09em; }
.section-title em { color: rgba(255,255,255,.48); font-size: 10px; font-style: normal; letter-spacing: .55em; }
.title-arrow { color: #f6e6ce; font-family: Georgia, serif; font-size: 52px; font-weight: 300; line-height: 1; }
.news-layout { display: grid; grid-template-columns: minmax(0, 1.13fr) minmax(390px, .87fr); min-height: 456px; box-shadow: 0 24px 70px rgba(0,0,0,.35); }
.news-feature { display: grid; grid-template-rows: 1fr auto; min-width: 0; background: #08090b; }
.news-feature-image { position: relative; min-height: 310px; background: url("assets/reference/banner-1.jpg") center / cover no-repeat; transition: background-image .35s ease; }
.news-feature-image::after { position: absolute; content: ""; inset: 0; background: linear-gradient(0deg, rgba(0,0,0,.72), transparent 50%); }
.feature-index, .feature-label { position: absolute; z-index: 1; }
.feature-index { left: 24px; top: 20px; color: rgba(255,255,255,.85); font-family: Georgia, serif; font-size: 30px; }
.feature-label { right: 22px; top: 20px; padding: 6px 12px; border: 1px solid rgba(255,255,255,.55); color: #fff; font-size: 12px; }
.news-feature-caption { padding: 25px 30px 28px; background: rgba(8,9,11,.95); }
.feature-date { margin: 0 0 9px; color: var(--orange); font-size: 12px; letter-spacing: .08em; }
.news-feature-caption h3 { margin: 0; font-size: 22px; font-weight: 500; }
.news-feature-caption p:last-child { margin: 12px 0 0; color: #9b9ca3; font-size: 13px; line-height: 1.7; }
.news-board { padding: 27px 31px 22px; background: rgba(13,14,19,.96); }
.news-tabs { display: flex; gap: 21px; border-bottom: 1px solid var(--line); }
.news-tabs button { position: relative; padding: 0 0 15px; color: #83858d; background: transparent; font-size: 14px; }
.news-tabs button.is-active { color: #fff; }
.news-tabs button.is-active::after { position: absolute; content: ""; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--red); }
.news-row { display: grid; grid-template-columns: 47px 1fr auto; align-items: center; gap: 13px; min-height: 57px; border-bottom: 1px solid rgba(255,255,255,.08); }
.news-row span { width: 41px; padding: 4px 0; border: 1px solid #72747d; color: #babac0; text-align: center; font-size: 11px; }
.news-row b { overflow: hidden; color: #d3d3d7; font-size: 13px; font-weight: 400; text-overflow: ellipsis; white-space: nowrap; transition: color .2s; }
.news-row time { color: #74767d; font-size: 11px; }
.news-row:hover b { color: #fff; }
.news-row[data-category="activity"] span { border-color: #bb603f; color: #ff9b65; }
.news-row[data-category="news"] span { border-color: #3d7095; color: #88c4eb; }
.news-row[data-category="strategy"] span { border-color: #7965a7; color: #ba9df2; }
.news-row[hidden] { display: none; }
.more-link { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; color: #a9aab0; font-size: 12px; }
.more-link strong { color: #fff; font-size: 10px; font-weight: 400; letter-spacing: .12em; }

.service-section { padding: 92px 24px 105px; background: #0d0e12 url("assets/hero-bg-1.png") center / cover; }
.compact-title { justify-content: flex-start; margin-bottom: 38px; text-align: left; }
.compact-title h2 { font-size: 42px; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.service-card { position: relative; min-height: 220px; padding: 30px 30px 26px; overflow: hidden; background: rgba(23,24,31,.88); border: 1px solid rgba(255,255,255,.1); transition: transform .2s, border-color .2s; }
.service-card::after { position: absolute; content: ""; width: 160px; height: 160px; right: -65px; bottom: -80px; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; }
.service-card:hover { border-color: rgba(255,255,255,.35); transform: translateY(-4px); }
.service-card-red { background: linear-gradient(135deg, rgba(119,20,24,.86), rgba(25,22,29,.95) 70%); }
.service-number { display: block; color: rgba(255,255,255,.28); font-family: Georgia, serif; font-size: 20px; }
.service-card small { color: var(--orange); font-size: 10px; letter-spacing: .18em; }
.service-card h3 { margin: 8px 0; font-size: 24px; font-weight: 500; }
.service-card p { max-width: 265px; margin: 0; color: #96979e; font-size: 13px; line-height: 1.7; }
.service-card button { position: absolute; right: 30px; bottom: 28px; padding: 7px 0; color: #ddd; background: transparent; font-size: 12px; }
.service-card button b { margin-left: 12px; color: var(--red); font-size: 18px; font-weight: 400; }
.help-panel { display: grid; grid-template-columns: .9fr 1.1fr; gap: 34px; margin-top: 58px; padding: 34px 38px; background: rgba(9,10,14,.7); border: 1px solid rgba(255,255,255,.1); }
.help-intro { padding-right: 20px; }
.help-intro > small { color: var(--orange); font-size: 10px; letter-spacing: .22em; }
.help-intro h2 { max-width: 390px; margin: 13px 0 12px; font-size: clamp(25px, 3vw, 38px); font-weight: 500; line-height: 1.25; }
.help-intro > p { max-width: 430px; margin: 0; color: #9899a1; font-size: 13px; line-height: 1.9; }
.service-status-list { display: grid; gap: 10px; margin-top: 26px; }
.service-status-list > div { display: grid; grid-template-columns: 9px 1fr auto; align-items: center; gap: 10px; padding: 10px 12px; background: rgba(255,255,255,.04); border-left: 2px solid rgba(255,255,255,.12); }
.service-status-list b { color: #dddde1; font-size: 12px; font-weight: 400; }
.service-status-list em { color: #8e9097; font-size: 11px; font-style: normal; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; }
.status-dot-ready { background: #60e68a; box-shadow: 0 0 9px #60e68a; }
.status-dot-waiting { background: var(--orange); box-shadow: 0 0 9px var(--orange); }
.faq-list { border-top: 1px solid rgba(255,255,255,.12); }
.faq-list details { border-bottom: 1px solid rgba(255,255,255,.12); }
.faq-list summary { position: relative; padding: 17px 28px 17px 0; color: #e6e4df; cursor: pointer; font-size: 13px; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; content: "+"; top: 14px; right: 3px; color: var(--red); font-size: 20px; font-weight: 300; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 560px; margin: -3px 28px 17px 0; color: #999aa2; font-size: 12px; line-height: 1.8; }

.site-footer { padding: 35px 24px 38px; background: #07080a; border-top: 1px solid rgba(255,255,255,.08); }
.footer-inner { width: min(100%, var(--max)); margin: 0 auto; display: grid; grid-template-columns: 160px 1fr 1.2fr; align-items: center; gap: 24px; }
.footer-logo { width: 100px; height: auto; }
.footer-copy p, .footer-note { margin: 4px 0; color: #7d7e84; font-size: 11px; line-height: 1.7; }
.footer-copy a:hover { color: #fff; }
.footer-copy i { display: inline-block; width: 1px; height: 11px; margin: 0 12px; vertical-align: -1px; background: #55565c; }
.footer-note { justify-self: end; max-width: 400px; text-align: right; }

.modal-backdrop { position: fixed; z-index: 40; inset: 0; display: grid; place-items: center; padding: 20px; background: rgba(0,0,0,.78); backdrop-filter: blur(7px); }
.modal-backdrop[hidden] { display: none; }
.modal-panel { position: relative; width: min(100%, 410px); padding: 40px 38px 34px; background: #17181e url("assets/reference/news-bg.jpg") center / cover; border: 1px solid rgba(255,255,255,.18); box-shadow: 0 28px 90px #000; }
.modal-panel::before { position: absolute; content: ""; inset: 0; background: rgba(8,9,12,.88); pointer-events: none; }
.modal-panel > * { position: relative; z-index: 1; }
.modal-close { position: absolute; z-index: 2; top: 9px; right: 15px; color: #aaa; background: transparent; font-size: 28px; font-weight: 300; }
.modal-kicker { margin: 0; color: var(--orange); font-size: 10px; letter-spacing: .22em; }
.modal-panel h2 { margin: 10px 0 8px; font-size: 28px; font-weight: 500; }
.modal-panel > p:nth-of-type(2) { margin: 0 0 25px; color: #9899a1; font-size: 12px; line-height: 1.7; }
.modal-panel label { display: block; margin-top: 13px; }
.modal-panel label span { display: block; margin-bottom: 7px; color: #c8c8ce; font-size: 12px; }
.modal-panel input { width: 100%; padding: 12px 13px; color: #fff; background: rgba(0,0,0,.35); border: 1px solid rgba(255,255,255,.16); outline: 0; }
.modal-panel input:focus { border-color: var(--red); }
.modal-submit { width: 100%; margin-top: 23px; padding: 13px; color: #fff; background: var(--red); font-size: 14px; }
.modal-submit span { margin-left: 10px; }
.modal-switch { display: block; margin: 17px auto 0; color: #b1b2b8; background: transparent; font-size: 12px; }
.modal-switch:hover { color: #fff; }
.toast { position: fixed; z-index: 50; left: 50%; bottom: 25px; max-width: calc(100% - 40px); padding: 12px 18px; color: #fff; background: rgba(11,12,15,.94); border: 1px solid rgba(255,255,255,.18); box-shadow: 0 12px 32px rgba(0,0,0,.35); font-size: 13px; opacity: 0; pointer-events: none; transform: translate(-50%, 15px); transition: opacity .2s, transform .2s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.article-backdrop { position: fixed; z-index: 45; inset: 0; display: grid; place-items: center; padding: 20px; background: rgba(0,0,0,.8); backdrop-filter: blur(8px); }
.article-backdrop[hidden] { display: none; }
.article-panel { position: relative; width: min(100%, 720px); max-height: min(760px, calc(100vh - 40px)); overflow: auto; padding: 43px 48px 46px; color: #e7e3dc; background: #12141a url("assets/reference/feature-2.png") center / cover; border: 1px solid rgba(255,255,255,.18); box-shadow: 0 30px 100px #000; }
.article-panel::before { position: absolute; content: ""; inset: 0; background: rgba(8,9,12,.88); pointer-events: none; }
.article-panel > * { position: relative; z-index: 1; }
.article-close { position: absolute; z-index: 2; top: 9px; right: 16px; color: #aaa; background: transparent; font-size: 28px; font-weight: 300; }
.article-kicker { margin: 0; color: var(--orange); font-size: 11px; letter-spacing: .12em; }
.article-panel h2 { margin: 12px 0 18px; font-size: clamp(24px, 3vw, 34px); font-weight: 500; line-height: 1.3; }
.article-rule { width: 100%; height: 1px; margin-bottom: 22px; background: rgba(255,255,255,.14); }
.article-body p { margin: 0 0 15px; color: #b9bac0; font-size: 14px; line-height: 2; }
.article-body p:last-child { margin-bottom: 0; }

@media (max-width: 1000px) {
  .header-inner { width: min(100% - 28px, 1360px); gap: 12px; }
  .brand { width: 125px; }
  .site-nav a { min-width: 105px; padding: 0 13px; }
  .site-nav a span { font-size: 13px; }
  .hero { min-height: 520px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .news-layout { grid-template-columns: 1fr; }
  .news-board { min-height: 390px; }
  .footer-inner { grid-template-columns: 130px 1fr; }
  .footer-note { grid-column: 1 / -1; justify-self: start; max-width: none; text-align: left; }
}

@media (max-width: 720px) {
  .site-header { height: 64px; }
  .header-inner { width: calc(100% - 24px); }
  .brand { width: auto; margin-right: auto; }
  .brand img { width: 96px; }
  .auth-button { width: 94px; height: 31px; font-size: 12px; }
  .menu-button { display: block; }
  .site-nav { position: absolute; top: 64px; left: 12px; right: 12px; display: none; height: auto; flex-direction: column; background: rgba(8,9,12,.98); border: 1px solid rgba(255,255,255,.12); }
  .site-nav.open { display: flex; }
  .site-nav a { min-height: 48px; align-items: flex-start; padding: 8px 18px; }
  .site-nav a.active::after { left: 0; right: auto; top: 0; bottom: 0; width: 3px; height: auto; }
  .hero { height: 590px; min-height: 0; }
  .hero-slide { background-position: 57% center; }
  .hero-slide:first-child { background-position: 53% center; }
  .hero-content { bottom: 15%; width: min(88vw, 560px); }
  .hero-content p { font-size: 12px; }
  .hero-side-left { left: 12px; bottom: 80px; gap: 8px; }
  .hero-side-left button { width: 84px; padding: 9px 4px; font-size: 11px; }
  .hero-side-right { right: 11px; top: auto; bottom: 76px; transform: none; gap: 7px; }
  .hero-side-right button { width: 30px; height: 30px; font-size: 12px; }
  .hero-control { width: 34px; height: 60px; margin-top: -30px; font-size: 35px; }
  .hero-dots { bottom: 24px; }
  .hero-dots button { width: 19px; }
  .hero-dots button.is-active { width: 33px; }
  .news-section, .service-section { padding: 64px 15px 76px; }
  .feature-section { padding: 64px 15px 70px; }
  .feature-title { margin-bottom: 28px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 300px; }
  .feature-card-body { inset: auto 19px 18px; }
  .feature-notice { align-items: flex-start; flex-wrap: wrap; }
  .section-title { gap: 11px; margin-bottom: 28px; }
  .section-title h2 { font-size: 39px; }
  .title-arrow { font-size: 37px; }
  .news-feature-image { min-height: 225px; }
  .news-feature-caption { padding: 19px 20px 22px; }
  .news-feature-caption h3 { font-size: 18px; }
  .news-board { padding: 21px 17px 18px; }
  .news-tabs { gap: 16px; overflow-x: auto; }
  .news-tabs button { flex: 0 0 auto; font-size: 13px; }
  .news-row { grid-template-columns: 42px 1fr; gap: 9px; min-height: 56px; }
  .news-row time { grid-column: 2; margin-top: -21px; justify-self: end; }
  .news-row b { padding-right: 35px; font-size: 12px; }
  .compact-title { margin-bottom: 25px; }
  .compact-title h2 { font-size: 34px; }
  .service-grid { grid-template-columns: 1fr; gap: 11px; }
  .service-card { min-height: 190px; padding: 23px; }
  .service-card button { right: 23px; bottom: 21px; }
  .help-panel { grid-template-columns: 1fr; gap: 26px; margin-top: 38px; padding: 25px 21px; }
  .help-intro { padding-right: 0; }
  .help-intro h2 { font-size: 29px; }
  .footer-inner { display: block; }
  .footer-logo { margin-bottom: 12px; }
  .footer-note { margin-top: 14px; }
  .modal-panel { padding: 34px 23px 27px; }
  .article-panel { padding: 35px 22px 28px; }
}
