@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');
:root{--ink:#171b16;--muted:#777e73;--paper:#f4f4ef;--green:#26372a;--line:rgba(24,32,24,.15);--serif:Georgia,"Times New Roman",serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:82px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"DM Sans","Noto Sans SC",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.site-header{height:78px;padding:0 5.5%;display:flex;align-items:center;justify-content:space-between;background:rgba(244,244,239,.96);position:sticky;top:0;z-index:10;border-bottom:1px solid rgba(0,0,0,.06);backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:11px}.brand-mark{width:37px;height:37px;border:1px solid #9ba38f;display:grid;place-items:center;font:italic 17px var(--serif);color:#334a35;border-radius:50%}.brand-name{font-size:15px;font-weight:600;letter-spacing:.13em}.brand-name small{display:block;font-size:8px;font-weight:500;letter-spacing:.18em;color:#858b7e;margin-top:4px}.nav{display:flex;gap:35px;font-size:12px;color:#555c52}.nav a:hover,.footer a:hover{color:#829174}.nav-cta{font-size:12px;border-bottom:1px solid #87907e;padding:8px 0}.nav-cta span{margin-left:13px}.menu-toggle{display:none;background:none;border:0;font-size:24px}
.hero{min-height:min(790px,calc(100vh - 78px));position:relative;display:flex;align-items:center;justify-content:center;color:#fff;overflow:hidden;background:#182019}.hero-image,.hero-shade{position:absolute;inset:0}.hero-image{background-image:url("assets/hero-banner.png");background-size:cover;background-position:center 53%;transform:scale(1.015)}.hero-shade{background:linear-gradient(90deg,rgba(7,12,8,.68),rgba(8,13,9,.24) 52%,rgba(5,8,6,.47)),linear-gradient(0deg,rgba(5,8,6,.64),transparent 30%,rgba(5,8,6,.15))}.hero-content{position:relative;z-index:1;text-align:center;width:min(850px,90%);padding:100px 0 120px}.eyebrow{font-size:10px;letter-spacing:.28em;color:#d5dbcf;display:flex;align-items:center;justify-content:center;gap:14px}.eyebrow-line{width:30px;height:1px;background:rgba(255,255,255,.55)}h1{font-size:clamp(56px,9vw,112px);font-weight:400;letter-spacing:.12em;line-height:1.13;margin:29px 0 12px;text-shadow:0 3px 30px rgba(0,0,0,.2)}.title-period{color:#c6d1b8}.hero-subtitle{font-size:clamp(17px,2vw,23px);letter-spacing:.25em;margin:0 0 17px}.hero-description{font-size:13px;color:#e0e4da;letter-spacing:.08em;line-height:2}.hero-actions{display:flex;gap:12px;justify-content:center;margin-top:31px}.button{min-height:46px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:22px;font-size:12px;letter-spacing:.04em;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px)}.button-light{background:#f0f1e9;color:#1c251b}.button-ghost{border:1px solid rgba(255,255,255,.52);color:#fff}.hero-foot{position:absolute;bottom:28px;left:5.5%;right:5.5%;z-index:1;display:flex;justify-content:space-between;gap:20px;font-size:10px;letter-spacing:.12em;color:#e2e5dc}.hero-version{color:#c8cfc2}.hero-version i{display:inline-block;width:3px;height:3px;border-radius:50%;background:#c8cfc2;vertical-align:middle;margin:0 8px}.scroll-cue{position:absolute;right:2.5%;top:50%;writing-mode:vertical-rl;font-size:8px;letter-spacing:.2em;color:rgba(255,255,255,.65);display:flex;align-items:center;gap:12px}.scroll-cue span{width:1px;height:38px;background:rgba(255,255,255,.55)}
.section-wrap{width:min(1120px,88%);margin:auto}.intro{padding-top:112px;padding-bottom:120px}.section-kicker{font-size:10px;letter-spacing:.2em;color:#7e8877;margin-bottom:38px}.intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:8%;align-items:start}.intro h2,.connect-heading h2,.download-copy h2{font-size:clamp(32px,4.4vw,54px);line-height:1.45;font-weight:400;letter-spacing:.035em;margin:0}.intro h2 span{color:#87917f}.intro-copy{font-size:14px;line-height:2.1;color:#51584d}.intro-copy p{margin:0 0 16px}.intro-copy .muted{font-size:12px;color:#8a8f84}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:62px}.feature-card{position:relative;min-height:200px;border:1px solid var(--line);padding:25px 25px 24px;background:rgba(255,255,255,.25)}.feature-number{font-size:10px;color:#8d9685;letter-spacing:.1em}.feature-icon{font-size:28px;color:#60745b;margin-top:22px}.feature-card h3{font-size:16px;font-weight:500;margin:12px 0}.feature-card p{font-size:12px;line-height:1.9;color:#737a6f;margin:0}.connect-section{background:#172019;color:#f1f2e9;padding:100px 0 105px;position:relative;overflow:hidden}.connect-section:after{content:"67";position:absolute;right:-15px;bottom:-110px;font:italic 360px var(--serif);color:rgba(255,255,255,.025);pointer-events:none}.connect-wrap{position:relative;z-index:1}.connect-section .section-kicker{color:#9da995}.connect-heading{display:flex;justify-content:space-between;align-items:end;gap:30px}.connect-heading h2{font-size:clamp(33px,4.5vw,55px)}.connect-heading p{font-size:13px;color:#adb7a8;line-height:1.9;margin:20px 0 0}.connect-stamp{display:flex;align-items:center;gap:14px;border:1px solid rgba(255,255,255,.18);padding:15px 18px;color:#b8c3af}.connect-stamp span{font:italic 42px var(--serif)}.connect-stamp small{font-size:8px;line-height:1.7;letter-spacing:.15em}.server-panel{max-width:790px;margin-top:48px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.035)}.server-panel-top{padding:16px 22px;border-bottom:1px solid rgba(255,255,255,.14);font-size:9px;letter-spacing:.18em;color:#aeb9a8}.status-dot{display:inline-block;width:6px;height:6px;background:#b8c7a8;border-radius:50%;margin-right:10px}.panel-label{float:right;letter-spacing:.05em;color:#7e8c79}.server-field{padding:23px 22px;display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid rgba(255,255,255,.1)}.field-label{display:block;font-size:9px;letter-spacing:.14em;color:#98a592;margin-bottom:10px}.server-field strong{font-size:15px;font-weight:400;letter-spacing:.03em;overflow-wrap:anywhere}.copy-button{background:transparent;border:1px solid rgba(255,255,255,.3);color:#f2f2e9;padding:10px 13px;min-width:112px;font:inherit;font-size:11px;cursor:pointer}.copy-button:hover{background:rgba(255,255,255,.1)}.copy-button span{margin-left:10px}.panel-note{padding:0 22px 17px;font-size:10px;color:#9aa594;margin:14px 0 0}.connect-note{display:flex;gap:13px;font-size:11px;color:#9eaa98;margin-top:22px;line-height:1.8}.connect-note span{color:#d9dfd0;letter-spacing:.12em}
.download-section{padding-top:110px;padding-bottom:50px}.download-grid{display:grid;grid-template-columns:1fr .9fr;gap:8%;align-items:center}.dark-eyebrow{justify-content:flex-start;color:#74836e}.download-copy h2{margin:17px 0 18px}.download-copy>p:not(.eyebrow):not(.download-meta){font-size:13px;line-height:2;color:#6e756a;max-width:440px}.button-dark{background:#1a241b;color:#f4f4ec;margin-top:18px}.download-meta{font-size:10px;color:#92988d;margin-top:15px}.download-art{height:350px;position:relative;overflow:hidden;background:linear-gradient(145deg,#d8dfcd,#aab89f 50%,#687b63)}.art-sun{position:absolute;width:130px;height:130px;border-radius:50%;background:#f0e9cb;right:17%;top:12%;box-shadow:0 0 70px rgba(255,247,209,.6)}.art-hill{position:absolute;bottom:-30px;width:120%;height:65%;border-radius:50% 50% 0 0}.hill-one{background:#526c50;left:-20%;transform:rotate(-12deg)}.hill-two{background:#304b37;right:-36%;bottom:-70px;transform:rotate(12deg)}.pixel-tower{position:absolute;width:72px;height:140px;left:48%;bottom:62px;background:#b8b49b;box-shadow:inset -14px 0 #888c77,0 8px 0 rgba(0,0,0,.1);z-index:2}.pixel-tower:before{content:"";position:absolute;top:-35px;left:-15px;width:102px;height:40px;background:#574d3a;clip-path:polygon(10% 100%,20% 0,80% 0,90% 100%)}.pixel-tower span{position:absolute;left:20px;top:30px;width:27px;height:45px;background:#2c4130;border:5px solid #d1c9a8}.pixel-tower i{position:absolute;left:0;right:0;bottom:0;height:28px;background:#626d50}.pixel-tower b{position:absolute;width:12px;height:12px;background:#e5d6a0;top:75px;right:9px}.art-caption{position:absolute;z-index:3;left:22px;bottom:20px;font-size:9px;letter-spacing:.2em;line-height:1.7;color:#f0f0df}.download-help{border-top:1px solid var(--line);margin-top:75px;padding:22px 0;display:flex;gap:20px;align-items:center;font-size:11px;color:#81877c}.download-help span:first-child{color:#333a30;font-weight:600}.download-help a{margin-left:auto;color:#333a30;border-bottom:1px solid #899180;padding-bottom:4px}.footer{padding:40px 5.5% 20px;background:#e9eae2}.footer-brand .brand-mark{width:31px;height:31px;font-size:14px}.footer>p{font-size:11px;color:#82887d;margin:20px 0 35px}.footer-bottom{border-top:1px solid rgba(0,0,0,.12);padding-top:17px;display:flex;gap:20px;justify-content:space-between;align-items:center;font-size:9px;color:#8b9086}.footer-bottom a{color:#4f584b;white-space:nowrap}
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/* ===== 六七帝国：8 张背景图左右滑动轮播 ===== */

.hero-image {
  background-image: none;
  overflow: hidden;
}

.hero-slides {
  position: absolute;
  inset: 0;
  display: flex;
  width: 800%;
  height: 100%;
  will-change: transform;
  transition: transform 750ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.hero-slide {
  flex: 0 0 12.5%;
  width: 12.5%;
  height: 100%;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center 53%;
}

/* 手机端沿用原来的取景习惯 */
@media (max-width: 760px) {
  .hero-slide {
    background-position: 53% center;
  }
}

/* 系统开启减少动态效果时，关闭滑动动画 */
@media (prefers-reduced-motion: reduce) {
  .hero-slides {
    transition: none;
  }
}