/* ==========================================================================
   武林外传：十年之约 官方网站
   黑金武侠风 · 响应式单页
   ========================================================================== */
:root{
  --ink:#0e0b09;          /* 墨色底 */
  --ink-2:#1a1410;        /* 次级底 */
  --ink-3:#241c15;        /* 卡片底 */
  --gold:#c9a25c;         /* 鎏金主 */
  --gold-2:#e8cd93;       /* 亮金 */
  --gold-dim:#8a6a38;     /* 暗金 */
  --red:#9e2f2f;          /* 朱红 */
  --red-2:#c0492f;        /* 亮朱 */
  --paper:#efe4cf;        /* 宣纸 */
  --text:#d9cbb4;         /* 正文 */
  --text-dim:#a89783;
  --line:rgba(201,162,92,.28);
  --ease:cubic-bezier(.2,0,.2,1);
  --pad:clamp(18px,4vw,64px);
  --nav-h:66px;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html{scroll-behavior:smooth;}
body{
  background:var(--ink);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.serif{
  font-family:"Noto Serif SC","Songti SC","SimSun","Source Han Serif SC",serif;
}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;touch-action:manipulation;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--ink);}
::-webkit-scrollbar-thumb{background:#3a2f20;border-radius:6px;}
::-webkit-scrollbar-thumb:hover{background:var(--gold-dim);}

.wrap{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}

/* ---------- 纹理背景 ---------- */
.grain::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:radial-gradient(rgba(201,162,92,.05) 1px,transparent 1px);
  background-size:22px 22px;
}
section{position:relative;z-index:1;}

/* ==========================================================================
   顶部导航
   ========================================================================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:var(--nav-h);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
  display:flex;align-items:center;
}
.nav.scrolled{
  background:rgba(14,11,9,.94);
  box-shadow:0 1px 0 var(--line),0 10px 30px rgba(0,0,0,.5);
}
.nav-inner{
  width:100%;max-width:1240px;margin:0 auto;padding:0 20px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand .logo{
  width:44px;height:44px;border-radius:10px;overflow:hidden;
  box-shadow:0 0 0 2px var(--line);flex:none;
}
.brand .logo img{width:100%;height:100%;object-fit:cover;}
.brand .name{line-height:1.15;}
.brand .name b{
  display:block;font-family:"Noto Serif SC",serif;font-size:18px;color:var(--gold-2);
  letter-spacing:2px;font-weight:700;
}
.brand .name span{font-size:11px;color:var(--text-dim);letter-spacing:3px;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  padding:8px 14px;font-size:14px;color:var(--text);
  border-radius:8px;position:relative;transition:color .3s var(--ease),background .3s var(--ease);
}
.nav-links a:hover{color:var(--gold-2);background:rgba(201,162,92,.08);}
.nav-links a.active{color:var(--gold-2);}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);border-radius:2px;
}
.nav-dl{margin-left:8px;}
.btn-dl{
  background:linear-gradient(135deg,var(--gold-2),var(--gold) 55%,var(--gold-dim));
  color:#241c15;font-weight:700;padding:9px 20px;border-radius:999px;font-size:14px;
  box-shadow:0 2px 14px rgba(201,162,92,.3);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),filter .3s var(--ease);
  display:inline-flex;align-items:center;gap:7px;
}
.btn-dl:hover{transform:translateY(-2px);box-shadow:0 6px 22px rgba(201,162,92,.45);filter:brightness(1.05);}

/* 汉堡 */
.burger{display:none;width:42px;height:42px;border-radius:8px;flex-direction:column;align-items:center;justify-content:center;gap:5px;}
.burger span{width:22px;height:2px;background:var(--gold-2);border-radius:2px;transition:.3s var(--ease);}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.open span:nth-child(2){opacity:0;}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 移动端菜单 */
.m-wrap{display:none;}

/* ==========================================================================
   Hero 主视觉
   ========================================================================== */
.hero{
  height:100vh;min-height:620px;position:relative;overflow:hidden;
  display:flex;align-items:center;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-size:cover;background-position:center;
  animation:kenburns 18s var(--ease) forwards;
}
@keyframes kenburns{
  0%{transform:scale(1.02);filter:brightness(1);}
  100%{transform:scale(1.1);filter:brightness(1.02);}
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(14,11,9,.18) 0%,rgba(14,11,9,.02) 45%,rgba(14,11,9,.72) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:radial-gradient(ellipse at 30% 45%,transparent 0%,rgba(14,11,9,.32) 100%);
}
.hero-content{
  position:relative;z-index:2;max-width:1240px;margin:0 auto;padding:0 20px;width:100%;
  padding-top:var(--nav-h);
  display:flex;flex-direction:column;align-items:center;text-align:center;
}
.hero-slogan{
  font-family:"Noto Serif SC","Songti SC","SimSun",serif;
  font-weight:900;text-align:center;line-height:1.22;letter-spacing:10px;
  font-size:clamp(42px,8vw,92px);color:transparent;
  background:linear-gradient(180deg,#ffe9b0 0%,#f5c763 48%,#c98f2f 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-stroke:1.6px #2e200e;
  filter:drop-shadow(0 12px 26px rgba(0,0,0,.55));
  opacity:0;transform:translateY(26px);animation:rise .9s var(--ease) .25s forwards;
  will-change:transform,opacity;
}
.hero-slogan span{
  display:block;font-size:clamp(28px,5vw,58px);line-height:1.25;
  letter-spacing:12px;margin-top:10px;
}
.hero-sub{
  margin:26px auto 0;width:max-content;color:var(--gold-2);letter-spacing:5px;
  font-size:clamp(12px,1.6vw,15px);padding:9px 24px;border:1px solid var(--line);
  border-radius:999px;background:rgba(14,11,9,.42);backdrop-filter:blur(4px);
  opacity:0;transform:translateY(20px);animation:rise .8s var(--ease) .42s forwards;
}
.hero-rate{
  margin-top:16px;text-align:center;font-size:11px;color:var(--text-dim);letter-spacing:1px;
  opacity:0;animation:rise .8s var(--ease) .85s forwards;
}
@keyframes rise{to{opacity:1;transform:translateY(0);}}
.hero-actions{
  margin:34px auto 0;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:center;
  padding:16px 22px;border-radius:22px;width:max-content;
  background:linear-gradient(180deg,rgba(14,11,9,.06),rgba(14,11,9,.5));
  box-shadow:0 8px 30px rgba(0,0,0,.25);
  opacity:0;transform:translateY(20px);animation:rise .8s var(--ease) .62s forwards;
}
.btn-xl{
  display:inline-flex;align-items:center;gap:10px;padding:15px 34px;border-radius:999px;
  font-size:16px;font-weight:700;letter-spacing:2px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),filter .3s var(--ease);
}
.btn-ios,.btn-android{background:linear-gradient(135deg,var(--gold-2),var(--gold) 60%,var(--gold-dim));color:#241c15;box-shadow:0 6px 24px rgba(201,162,92,.4);}
.btn-xl:hover{transform:translateY(-3px);filter:brightness(1.07);}
.btn-ios:hover,.btn-android:hover{box-shadow:0 10px 30px rgba(201,162,92,.5);}
.btn-xl svg{width:20px;height:20px;}
.hero-hint{
  margin-top:20px;font-size:12px;color:var(--text-dim);letter-spacing:1px;
  opacity:0;animation:rise .8s var(--ease) .75s forwards;
}
.hero-scroll{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:2;
  color:var(--text-dim);font-size:12px;letter-spacing:3px;display:flex;flex-direction:column;align-items:center;gap:8px;
  animation:rise .8s var(--ease) 1s forwards;opacity:0;
}
.hero-scroll .mouse{width:22px;height:34px;border:1.5px solid var(--gold);border-radius:12px;position:relative;}
.hero-scroll .mouse::after{content:"";position:absolute;left:50%;top:7px;width:3px;height:7px;background:var(--gold);border-radius:3px;transform:translateX(-50%);animation:wheel 1.6s var(--ease) infinite;}
@keyframes wheel{0%{opacity:1;top:6px;}100%{opacity:0;top:18px;}}

/* ==========================================================================
   通用区块
   ========================================================================== */
.sec{padding:var(--pad) 0;}
.sec-head{text-align:center;margin-bottom:clamp(34px,5vw,60px);}
.sec-tag{color:var(--gold);letter-spacing:6px;font-size:12px;margin-bottom:10px;text-transform:uppercase;}
.sec-title{font-size:clamp(26px,4vw,40px);color:#fff;letter-spacing:4px;font-weight:700;}
.sec-title em{color:var(--gold-2);font-style:normal;font-weight:800;}
.sec-desc{max-width:680px;margin:16px auto 0;color:var(--text-dim);font-size:15px;}

/* 分隔装饰 */
.divider{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:20px;}
.divider::before,.divider::after{content:"";flex:0 0 60px;height:1px;background:linear-gradient(90deg,transparent,var(--gold));}
.divider::after{background:linear-gradient(90deg,var(--gold),transparent);}
.divider span{width:8px;height:8px;border:1px solid var(--gold);transform:rotate(45deg);}

/* 进入动画 */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ==========================================================================
   关于 / 背景故事
   ========================================================================== */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,56px);align-items:center;}
.about-visual{position:relative;}
.about-visual .frame{
  border:1px solid var(--line);border-radius:16px;overflow:hidden;position:relative;
  box-shadow:0 20px 60px rgba(0,0,0,.5);
}
.about-visual .frame img{width:100%;height:auto;}
.about-visual .corner{position:absolute;width:34px;height:34px;border:2px solid var(--gold);}
.about-visual .corner.tl{top:-8px;left:-8px;border-right:none;border-bottom:none;border-top-left-radius:8px;}
.about-visual .corner.br{bottom:-8px;right:-8px;border-left:none;border-top:none;border-bottom-right-radius:8px;}
.about-visual .cap{
  position:absolute;left:16px;right:16px;bottom:14px;background:rgba(14,11,9,.72);
  border:1px solid var(--line);border-radius:10px;padding:12px 16px;backdrop-filter:blur(6px);
  font-size:13px;color:var(--gold-2);text-align:center;letter-spacing:2px;
}
.about-text .lead{
  font-family:"Noto Serif SC",serif;font-size:clamp(18px,2vw,24px);color:var(--gold-2);
  line-height:1.6;margin-bottom:18px;letter-spacing:1px;
}
.about-text p{color:var(--text);font-size:15px;margin-bottom:16px;text-align:justify;}
.about-text p b{color:var(--gold-2);font-weight:600;}
.about-marks{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;
}
.about-marks span{
  display:inline-flex;align-items:center;gap:4px;
  padding:8px 14px;border:1px solid rgba(201,162,92,.35);border-radius:999px;
  background:rgba(201,162,92,.08);font-size:13px;color:var(--text);letter-spacing:1px;
}
.about-marks span b{color:var(--gold-2);font-weight:700;}
.about-quote{
  margin-top:22px;padding:18px 20px;border-left:3px solid var(--gold);
  background:linear-gradient(90deg,rgba(201,162,92,.08),transparent);
  font-family:"Noto Serif SC",serif;font-size:15px;color:var(--paper);letter-spacing:2px;
}

/* ==========================================================================
   标语横幅
   ========================================================================== */
.banner{
  position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  min-height:300px;display:flex;align-items:center;
}
.banner .bg{position:absolute;inset:-10%;background-size:cover;background-position:center;z-index:0;filter:brightness(.4);}
.banner::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--ink) 0%,transparent 60%);}
.banner .wrap{position:relative;z-index:2;padding-top:46px;padding-bottom:46px;}
.banner .phrase{font-size:clamp(22px,3.2vw,34px);color:#fff;letter-spacing:6px;font-weight:700;}
.banner .phrase span{color:var(--gold-2);}
.banner .phrase small{display:block;margin-top:10px;font-size:14px;color:var(--text-dim);letter-spacing:4px;font-weight:400;
  font-family:"PingFang SC",sans-serif;}

/* ==========================================================================
   玩法特色
   ========================================================================== */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.feat{
  background:linear-gradient(180deg,var(--ink-3),var(--ink-2));
  border:1px solid var(--line);border-radius:16px;padding:28px 24px;
  transition:transform .45s var(--ease),border-color .45s var(--ease),box-shadow .45s var(--ease);
  position:relative;overflow:hidden;
}
.feat::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--gold),transparent);opacity:0;transition:opacity .45s var(--ease);
}
.feat:hover{transform:translateY(-8px);border-color:var(--gold);box-shadow:0 16px 40px rgba(0,0,0,.4);}
.feat:hover::before{opacity:1;}
.feat .ico{width:54px;height:54px;margin-bottom:18px;filter:drop-shadow(0 4px 12px rgba(201,162,92,.4));}
.feat .ico svg{width:100%;height:100%;}
.feat h3{color:var(--gold-2);font-size:18px;letter-spacing:2px;margin-bottom:10px;}
.feat p{font-size:14px;color:var(--text-dim);}

/* ==========================================================================
   职业体系
   ========================================================================== */
.class-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.class{
  text-align:center;background:linear-gradient(180deg,var(--ink-3),var(--ink-2));
  border:1px solid var(--line);border-radius:16px;padding:26px 18px;
  transition:transform .45s var(--ease),border-color .45s var(--ease);
}
.class:hover{transform:translateY(-8px);border-color:var(--gold);}
.class .avatar{width:110px;height:110px;margin:0 auto 16px;border-radius:50%;overflow:hidden;border:2px solid var(--gold-dim);position:relative;}
.class .avatar img{width:100%;height:100%;object-fit:cover;}
.class .avatar::after{content:"";position:absolute;inset:0;border-radius:50%;box-shadow:inset 0 0 24px rgba(0,0,0,.5);}
.class h3{color:var(--gold-2);font-size:18px;letter-spacing:3px;}
.class .cls{font-size:12px;color:var(--text-dim);letter-spacing:2px;margin-top:4px;display:block;}
.class p{font-size:13px;color:var(--text-dim);margin-top:12px;}

/* ==========================================================================
   技能 / 战斗
   ========================================================================== */
.skill-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3vw,40px);align-items:center;}
.skill-visual{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:0 20px 60px rgba(0,0,0,.5);position:relative;}
.skill-visual img{width:100%;height:auto;}
.skill-visual .tag-skill{position:absolute;top:14px;left:14px;background:rgba(14,11,9,.7);border:1px solid var(--line);color:var(--gold-2);padding:5px 14px;border-radius:999px;font-size:12px;letter-spacing:2px;}
.skill-list{display:flex;flex-direction:column;gap:14px;}
.skill-item{
  display:flex;gap:16px;align-items:flex-start;padding:18px;border-radius:12px;
  border:1px solid var(--line);background:var(--ink-2);transition:transform .4s var(--ease),border-color .4s var(--ease),background .4s var(--ease);
}
.skill-item:hover{transform:translateX(8px);border-color:var(--gold);background:var(--ink-3);}
.skill-item .sv{flex:none;width:46px;height:46px;border-radius:10px;background:linear-gradient(135deg,var(--gold),var(--gold-dim));color:#241c15;display:flex;align-items:center;justify-content:center;font-size:22px;}
.skill-item h4{color:#fff;font-size:16px;letter-spacing:2px;margin-bottom:4px;}
.skill-item p{font-size:13px;color:var(--text-dim);}

/* ==========================================================================
   经典重现 / 角色
   ========================================================================== */
.cast-scroll{display:flex;gap:20px;overflow-x:auto;padding:6px 2px 20px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:thin;}
.cast-scroll::-webkit-scrollbar{height:6px;}
.cast-scroll::-webkit-scrollbar-thumb{background:var(--gold-dim);border-radius:6px;}
.cast{
  flex:0 0 240px;scroll-snap-align:start;border-radius:14px;overflow:hidden;position:relative;
  border:1px solid var(--line);background:var(--ink-3);transition:transform .4s var(--ease),border-color .4s var(--ease);
}
.cast:hover{transform:translateY(-6px);border-color:var(--gold);}
.cast .pic{height:220px;overflow:hidden;}
.cast .pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.cast:hover .pic img{transform:scale(1.08);}
.cast .info{padding:14px 16px;}
.cast .info b{color:#fff;font-size:16px;letter-spacing:2px;font-family:"Noto Serif SC",serif;}
.cast .info span{display:block;font-size:12px;color:var(--gold);margin-top:3px;letter-spacing:1px;}
.cast .info p{font-size:12px;color:var(--text-dim);margin-top:8px;}

/* ==========================================================================
   新闻 / 资讯
   ========================================================================== */
.news-grid{display:flex;gap:22px;width:100%;align-items:stretch;}
.news{display:block;flex:1 1 0;min-width:0;background:var(--ink-2);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:transform .4s var(--ease),border-color .4s var(--ease);}
.news .thumb{height:150px;overflow:hidden;position:relative;background:var(--ink-3);}
.news .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);display:block;}
.news:hover{transform:translateY(-6px);border-color:var(--gold);}
.news:hover .thumb img{transform:scale(1.08);}
.news .body{padding:18px;}
.news .date{font-size:12px;color:var(--gold);letter-spacing:2px;display:flex;align-items:center;gap:8px;}
.news .date::before{content:"";width:6px;height:6px;background:var(--red);border-radius:50%;}
.news h3{color:#fff;font-size:16px;letter-spacing:1px;margin-top:8px;line-height:1.5;transition:color .3s var(--ease);}
.news h3:hover{color:var(--gold-2);}
.news p{font-size:13px;color:var(--text-dim);margin-top:8px;}

/* ==========================================================================
   下载 CTA
   ========================================================================== */
.dl{
  position:relative;overflow:hidden;text-align:center;padding:80px 0;
  border-top:1px solid var(--line);
}
.dl .bg{position:absolute;inset:0;background-size:cover;background-position:center bottom;z-index:-1;filter:brightness(.22) sepia(.3);}
.dl::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(14,11,9,.2),var(--ink) 80%);z-index:-1;}
.dl h2{font-size:clamp(26px,4vw,40px);color:#fff;letter-spacing:4px;}
.dl h2 em{color:var(--gold-2);font-style:normal;}
.dl p{color:var(--text-dim);margin:16px auto 34px;max-width:520px;font-size:15px;}
.dl-actions{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;}
.dl-box{
  background:rgba(20,16,10,.6);border:1px solid var(--gold);border-radius:16px;padding:22px 30px;
  width:230px;transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
  cursor:pointer;
}
.dl-box:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(201,162,92,.28);border-color:var(--gold-2);}
.dl-box .plat{display:flex;align-items:center;justify-content:center;gap:10px;color:var(--gold-2);font-size:18px;letter-spacing:2px;}
.dl-box .plat svg{width:24px;height:24px;}
.dl-box .gy{font-size:12px;color:var(--text-dim);margin-top:8px;letter-spacing:1px;}
.dl-box .btn-mini{
  display:inline-block;margin-top:14px;padding:8px 26px;border-radius:999px;font-size:14px;font-weight:700;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#241c15;
  transition:transform .3s var(--ease),filter .3s var(--ease);
}
.dl-box:hover .btn-mini{transform:translateY(-2px);filter:brightness(1.08);}
.dl-tips{margin-top:30px;font-size:12px;color:var(--text-dim);letter-spacing:1px;}
.dl-tips b{color:var(--gold);font-weight:600;}

/* ==========================================================================
   页脚
   ========================================================================== */
.footer{border-top:1px solid var(--line);padding:40px 0 30px;background:var(--ink-2);}
.footer-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;margin-bottom:22px;}
.footer .brand .name b{font-size:16px;}
.footer-links{display:flex;gap:8px;flex-wrap:wrap;}
.footer-links a{font-size:13px;color:var(--text-dim);padding:6px 12px;border-radius:6px;}
.footer-links a:hover{color:var(--gold-2);background:rgba(201,162,92,.08);}
.footer-meta{border-top:1px solid var(--line);padding-top:18px;font-size:12px;color:var(--text-dim);text-align:center;line-height:2;}
.footer-meta a{color:var(--gold);}

/* ==========================================================================
   下载弹窗
   ========================================================================== */
.modal{position:fixed;inset:0;z-index:1200;display:none;align-items:center;justify-content:center;padding:20px;}
.modal.open{display:flex;}
.modal .ov{position:absolute;inset:0;background:rgba(5,4,3,.78);backdrop-filter:blur(4px);animation:fade .3s var(--ease);}
@keyframes fade{from{opacity:0;}to{opacity:1;}}
.modal-box{
  position:relative;z-index:2;background:linear-gradient(180deg,var(--ink-3),var(--ink-2));
  border:1px solid var(--gold);border-radius:20px;max-width:420px;width:100%;padding:34px 28px;text-align:center;
  box-shadow:0 40px 90px rgba(0,0,0,.7);animation:pop .35s var(--ease);
}
@keyframes pop{from{opacity:0;transform:translateY(20px) scale(.96);}to{opacity:1;transform:none;}}
.modal-box .icon{width:56px;height:56px;margin:0 auto 14px;color:var(--gold-2);}
.modal-box h3{color:var(--gold-2);font-size:22px;letter-spacing:3px;}
.modal-box .sub{color:var(--text-dim);font-size:13px;margin-top:6px;}
.modal-ops{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.modal-ops a{
  display:flex;align-items:center;justify-content:center;gap:12px;
  padding:16px;border-radius:14px;font-size:16px;font-weight:700;letter-spacing:1px;
  border:1px solid var(--line);color:#fff;transition:.3s var(--ease);
}
.modal-ops a.android{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#241c15;border:none;}
.modal-ops a.ios{background:rgba(255,255,255,.06);}
.modal-ops a:hover{transform:translateY(-3px);}
.modal-ops a svg{width:22px;height:22px;}
.modal-close{position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:50%;color:var(--text-dim);font-size:20px;display:flex;align-items:center;justify-content:center;transition:.3s var(--ease);}
.modal-close:hover{color:#fff;background:rgba(255,255,255,.1);}
.modal-note{margin-top:16px;font-size:12px;color:var(--text-dim);}

/* ==========================================================================
   官方主题海报
   ========================================================================== */
.poster-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:22px;
}
.poster{
  margin:0;position:relative;overflow:hidden;border-radius:14px;
  border:1px solid var(--line);background:var(--ink-2);
  box-shadow:0 14px 40px rgba(0,0,0,.42);
}
.poster img{
  width:100%;display:block;aspect-ratio:3/4;object-fit:cover;
  transition:transform .6s var(--ease),filter .6s var(--ease);
  will-change:transform;
}
.poster figcaption{
  position:absolute;left:0;right:0;bottom:0;z-index:1;
  padding:30px 14px 12px;
  background:linear-gradient(180deg,transparent,rgba(14,11,9,.92));
}
.poster figcaption b{
  display:block;font-family:"Noto Serif SC","Songti SC","SimSun",serif;
  font-size:19px;color:var(--gold-2);letter-spacing:3px;font-weight:800;
}
.poster figcaption span{font-size:12px;color:var(--text);letter-spacing:2px;}
.poster::after{content:"";position:absolute;inset:0;border:1px solid rgba(201,162,92,.18);border-radius:14px;pointer-events:none;}
.poster:hover img{transform:scale(1.06);}
.poster:hover figcaption b{color:#fff;}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1024px){
  .feat-grid{grid-template-columns:repeat(2,1fr);}
  .class-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{flex-wrap:wrap;}
  .news{flex:1 1 calc(50% - 11px);}
  .skill-grid{grid-template-columns:1fr;}
  .about-grid{grid-template-columns:1fr;}
}
@media (max-width:760px){
  .nav-links{display:none;}
  .burger{display:flex;}
  .nav-dl{display:none;}
  .feat-grid{grid-template-columns:1fr;}
  .class-grid{grid-template-columns:1fr;}
  .news-grid{flex-direction:column;}
  .news{flex:1 1 auto;}
  .cast{flex:0 0 200px;}
  .cast .pic{height:180px;}
  .dl-box{width:100%;max-width:400px;}
  .hero{min-height:560px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn-xl{justify-content:center;padding:13px 20px;font-size:15px;}
  .btn-xl svg{width:18px;height:18px;}
  /* 移动悬浮下载条 */
  .m-dlbar{
    position:fixed;left:0;right:0;bottom:0;z-index:1100;display:flex;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));
    background:rgba(14,11,9,.96);border-top:1px solid var(--line);
  }
  .m-dlbar a{flex:1;text-align:center;padding:12px;border-radius:12px;font-size:15px;font-weight:700;letter-spacing:1px;}
  .m-dlbar .dl-an{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#241c15;}
  .m-dlbar .dl-ios{background:rgba(255,255,255,.07);color:#fff;border:1px solid var(--line);}
  body{padding-bottom:0;}
}
@media (max-width:420px){
  .brand .name b{font-size:15px;}
  .brand .name span{font-size:10px;}
}

/* 移动端菜单面板 */
.m-wrap.open{
  display:block;position:fixed;top:var(--nav-h);left:0;right:0;z-index:999;
  background:rgba(14,11,9,.98);border-bottom:1px solid var(--line);padding:14px 20px 22px;animation:fade .3s var(--ease);
}
.m-wrap a{display:block;padding:14px 6px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line);letter-spacing:2px;}
.m-wrap a:last-child{border-bottom:none;}
.m-wrap a:hover{color:var(--gold-2);}
.m-wrap .m-dl{padding:16px 6px;}
.m-wrap .btn-dl{width:100%;justify-content:center;}