/* =========================================================================
   帧里 FRAMEIN · 影视论坛 — 设计系统
   分区：1 变量 | 2 重置 | 3 布局 | 4 文字 | 5 按钮 | 6 导航 | 7 卡片
        8 Hero | 9 跑马灯 | 10 视频卡 | 11 榜单 | 12 列表 | 13 数据/特性
        14 评价 | 15 CTA | 16 FAQ | 17 提示条/弹层 | 18 页脚 | 19 内页页头
        20 分页 | 21 动效 | 22 响应式 | 23 附加组件
   ========================================================================= */

/* ------------------------------- 1 变量 -------------------------------- */
:root{
  --brand-1:#d4352a;
  --brand-2:#b3261d;
  --brand-3:#8a1c15;
  --amber:#f0a12c;
  --teal:#1f9e94;
  --violet:#6a4bd6;
  --blue:#2f6fe0;

  --ink-0:#0d0d14;
  --ink-1:#15151f;
  --ink-2:#2a2a36;
  --ink-3:#3d3d4c;
  --gray-4:#5d5d6e;
  --gray-5:#8a8a99;
  --gray-6:#b9b7b2;
  --line:#e6e2dc;
  --paper:#f8f6f2;
  --paper-2:#fffdf9;
  --white:#ffffff;

  --grad-1:linear-gradient(135deg,#d4352a 0%,#f0a12c 100%);
  --grad-2:linear-gradient(160deg,#15151f 0%,#3a1a22 100%);
  --grad-3:linear-gradient(135deg,#1f9e94 0%,#2f6fe0 100%);

  --r-xs:6px; --r-sm:10px; --r-md:16px; --r-lg:22px; --r-xl:30px; --r-full:999px;

  --sh-1:0 1px 2px rgba(21,21,31,.06);
  --sh-2:0 6px 18px rgba(21,21,31,.08);
  --sh-3:0 14px 34px rgba(21,21,31,.12);
  --sh-4:0 24px 60px rgba(21,21,31,.18);
  --sh-5:0 40px 90px rgba(13,13,20,.30);

  --fs-xs:clamp(.74rem,.7rem + .15vw,.82rem);
  --fs-sm:clamp(.84rem,.82rem + .1vw,.92rem);
  --fs-md:clamp(.96rem,.94rem + .15vw,1.05rem);
  --fs-lg:clamp(1.1rem,1.05rem + .3vw,1.28rem);
  --fs-xl:clamp(1.3rem,1.2rem + .6vw,1.62rem);
  --fs-2xl:clamp(1.6rem,1.4rem + 1vw,2.15rem);
  --fs-3xl:clamp(2rem,1.7rem + 1.6vw,2.9rem);
  --fs-4xl:clamp(2.4rem,1.9rem + 2.6vw,4rem);

  --container:1200px;
  --gutter:24px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ------------------------------- 2 重置 -------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Outfit","Noto Sans SC",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:var(--fs-md);
  line-height:1.7;
  color:var(--ink-2);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img,svg,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid rgba(212,53,42,.45);outline-offset:2px;border-radius:4px}
::selection{background:rgba(212,53,42,.18)}
.skip-link{
  position:absolute;left:-999px;top:8px;z-index:200;
  background:var(--ink-1);color:#fff;padding:10px 18px;border-radius:var(--r-full);
}
.skip-link:focus{left:8px}

/* ------------------------------- 3 布局 -------------------------------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(56px,5vw + 24px,104px)}
.section--tight{padding-block:clamp(40px,3vw + 16px,64px)}
.section--paper{background:var(--paper-2);border-block:1px solid var(--line)}
.section--ink{background:var(--grad-2);color:#e8e6e1}
.section--ink h1,.section--ink h2,.section--ink h3,.section--ink h4{color:#fff}
.grid{display:grid;gap:var(--gutter)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-side{display:grid;grid-template-columns:1.62fr .82fr;gap:clamp(24px,3vw,40px);align-items:start}
.section-head{max-width:680px;margin-bottom:clamp(28px,3vw,44px)}
.section-head--center{margin-inline:auto;text-align:center}
.section-head .eyebrow{margin-bottom:12px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:var(--fs-xs);font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-1);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad-1);border-radius:2px}
.section-head p{color:var(--gray-4);margin:12px 0 0}
.section--ink .section-head p{color:#b6b3ad}

/* ------------------------------- 4 文字 -------------------------------- */
h1,h2,h3,h4,h5{margin:0;color:var(--ink-1);line-height:1.22;font-weight:700;letter-spacing:-.015em}
h1{font-size:var(--fs-4xl)}
h2{font-size:var(--fs-3xl)}
h3{font-size:var(--fs-xl)}
h4{font-size:var(--fs-lg)}
h5{font-size:var(--fs-md)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
.lead{font-size:var(--fs-lg);color:var(--gray-4)}
.muted{color:var(--gray-5)}
.small{font-size:var(--fs-sm)}
.tiny{font-size:var(--fs-xs)}
strong{color:var(--ink-1)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:var(--r-full);
  background:rgba(212,53,42,.08);color:var(--brand-2);
  font-size:var(--fs-xs);font-weight:600;white-space:nowrap;
}
.tag--teal{background:rgba(31,158,148,.12);color:#157f77}
.tag--violet{background:rgba(106,75,214,.12);color:#5537b8}
.tag--blue{background:rgba(47,111,224,.12);color:#1f57b8}
.tag--amber{background:rgba(240,161,44,.16);color:#a5651a}
.tag--ghost{background:rgba(255,255,255,.14);color:#fff}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.55}

/* ------------------------------- 5 按钮 -------------------------------- */
.btn{
  --btn-bg:var(--brand-1);--btn-fg:#fff;--btn-line:transparent;
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--r-full);
  background:var(--btn-bg);color:var(--btn-fg);border:1.5px solid var(--btn-line);
  font-size:var(--fs-md);font-weight:600;line-height:1.2;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
  box-shadow:var(--sh-2);
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn:active{transform:translateY(0)}
.btn-primary{--btn-bg:var(--brand-1)}
.btn-primary:hover{--btn-bg:var(--brand-2)}
.btn-dark{--btn-bg:var(--ink-1)}
.btn-light{--btn-bg:#fff;--btn-fg:var(--ink-1)}
.btn-ghost{--btn-bg:transparent;--btn-fg:var(--ink-1);--btn-line:var(--line);box-shadow:none}
.btn-ghost:hover{--btn-line:var(--ink-3);box-shadow:var(--sh-2)}
.btn-outline-light{--btn-bg:transparent;--btn-fg:#fff;--btn-line:rgba(255,255,255,.4);box-shadow:none}
.btn-outline-light:hover{--btn-line:#fff;box-shadow:var(--sh-2)}
.btn-sm{padding:9px 18px;font-size:var(--fs-sm)}
.btn-lg{padding:16px 34px;font-size:var(--fs-lg)}
.btn-block{width:100%}
.btn-group{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--brand-2);
}
.link-arrow::after{content:"→";transition:transform .25s var(--ease)}
.link-arrow:hover::after{transform:translateX(4px)}

/* ------------------------------ 6 导航 --------------------------------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(248,246,242,.94);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:700;font-size:1.18rem;color:var(--ink-1);letter-spacing:-.02em}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--grad-1);
  display:grid;place-items:center;color:#fff;flex:none;box-shadow:var(--sh-2);
}
.brand small{display:block;font-size:.62rem;font-weight:600;letter-spacing:.22em;color:var(--gray-5);line-height:1.1}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;padding:9px 15px;border-radius:var(--r-full);
  font-size:var(--fs-sm);font-weight:600;color:var(--gray-4);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a:hover{color:var(--ink-1);background:rgba(21,21,31,.05)}
.nav-links a.is-active{color:var(--brand-2);background:rgba(212,53,42,.09)}
.header-actions{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink-1);border-radius:2px;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-scrim{position:fixed;inset:0;background:rgba(13,13,20,.55);z-index:95;opacity:0;transition:opacity .3s var(--ease)}
.nav-scrim.is-open{opacity:1}
.drawer-close{
  display:none;align-self:flex-end;width:42px;height:42px;border-radius:var(--r-full);
  background:rgba(255,255,255,.1);color:#fff;font-size:1.3rem;line-height:1;margin-bottom:10px;
}
body.nav-locked{overflow:hidden}

/* ------------------------------ 7 卡片 --------------------------------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(20px,2.2vw,30px);box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.card--hover:hover{transform:translateY(-5px);box-shadow:var(--sh-3)}
.card--flat{box-shadow:none}
.card--ink{background:var(--ink-1);border-color:rgba(255,255,255,.08);color:#d8d6d1}
.card--ink h3,.card--ink h4{color:#fff}
.board-card{display:flex;flex-direction:column;gap:14px}
.board-icon{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;flex:none;
  color:#fff;box-shadow:var(--sh-2);
}
.board-icon svg{width:26px;height:26px}
.board-meta{display:flex;gap:18px;color:var(--gray-5);font-size:var(--fs-sm)}
.board-meta b{color:var(--ink-1)}
.feature-card{display:flex;gap:16px;align-items:flex-start}
.feature-card .num{
  font-size:var(--fs-2xl);font-weight:700;line-height:1;
  background:var(--grad-1);-webkit-background-clip:text;background-clip:text;color:transparent;flex:none;
}
.quote-card{display:flex;flex-direction:column;gap:16px}
.quote-card .stars{color:var(--amber);letter-spacing:2px;font-size:var(--fs-sm)}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote-user img{width:46px;height:46px;border-radius:50%;object-fit:cover;flex:none}
.quote-user b{display:block;color:var(--ink-1);line-height:1.3}
.quote-user span{font-size:var(--fs-xs);color:var(--gray-5)}
.guide-card{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.guide-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(212,53,42,.4)}
.guide-card b{display:block;color:var(--ink-1)}
.guide-card span{font-size:var(--fs-sm);color:var(--gray-5)}
.guide-card .go{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;flex:none;
  background:rgba(212,53,42,.09);color:var(--brand-2);font-weight:700;
}

/* ------------------------------ 8 Hero --------------------------------- */
.hero{background:var(--grad-2);color:#dedbd5;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(720px 420px at 82% 12%,rgba(212,53,42,.35),transparent 70%),
    radial-gradient(560px 380px at 8% 88%,rgba(240,161,44,.18),transparent 70%);
  pointer-events:none;
}
.hero h1,.hero h2,.hero h3{color:#fff}
.hero-inner{
  position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,4vw,64px);
  align-items:center;padding-block:clamp(56px,6vw + 24px,110px);
}
.hero-copy .eyebrow{color:#f0a12c}
.hero-copy h1{margin:18px 0 20px}
.hero-copy h1 em{font-style:normal;background:var(--grad-1);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy .lead{color:#b8b5af;max-width:32em}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:34px;color:#a9a6a0;font-size:var(--fs-sm)}
.hero-facts b{display:block;color:#fff;font-size:var(--fs-xl);line-height:1.2}
.hero-visual{position:relative}
.hero-shot{
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-5);
  border:1px solid rgba(255,255,255,.12);
}
.hero-shot img{width:100%;height:100%;object-fit:cover}
.float-card{
  position:absolute;background:rgba(255,255,255,.97);border-radius:var(--r-md);
  padding:14px 18px;box-shadow:var(--sh-4);color:var(--ink-2);
  display:flex;align-items:center;gap:12px;min-width:190px;
  animation:floaty 6s ease-in-out infinite;
}
.float-card b{display:block;color:var(--ink-1);font-size:var(--fs-md);line-height:1.25}
.float-card span{font-size:var(--fs-xs);color:var(--gray-5)}
.float-card .ico{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex:none;color:#fff;
}
.float-a{top:8%;left:-34px}
.float-b{bottom:10%;right:-26px;animation-delay:1.6s}
.float-c{bottom:-26px;left:12%;animation-delay:3s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* ----------------------------- 9 跑马灯 -------------------------------- */
.marquee{overflow:hidden;background:var(--ink-0);border-block:1px solid rgba(255,255,255,.07);padding-block:16px}
.marquee-track{display:flex;gap:44px;width:max-content;animation:marquee 34s linear infinite}
.marquee-track span{display:inline-flex;align-items:center;gap:12px;color:#7f7c86;font-size:var(--fs-sm);font-weight:600;letter-spacing:.1em;text-transform:uppercase;white-space:nowrap}
.marquee-track span::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-1)}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ----------------------------- 10 视频卡 ------------------------------- */
.thumb{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:3/2;background:var(--ink-2)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,13,20,0) 42%,rgba(13,13,20,.72) 100%)}
.card:hover .thumb img{transform:scale(1.05)}
.thumb .badge{position:absolute;top:12px;left:12px;z-index:2}
.thumb .rating{
  position:absolute;bottom:12px;right:12px;z-index:2;
  background:rgba(13,13,20,.72);color:#fff;border-radius:var(--r-full);
  padding:4px 11px;font-size:var(--fs-xs);font-weight:700;display:inline-flex;align-items:center;gap:5px;
}
.thumb .rating::before{content:"★";color:var(--amber)}
.thumb .play{
  position:absolute;inset:0;z-index:3;display:grid;place-items:center;
}
.thumb .play span{
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.94);color:var(--brand-1);box-shadow:var(--sh-3);
  transition:transform .3s var(--ease);
}
.thumb .play span::after{content:"";width:0;height:0;border-style:solid;border-width:9px 0 9px 15px;border-color:transparent transparent transparent currentColor;margin-left:3px}
.card:hover .thumb .play span{transform:scale(1.1)}
.film-card{display:flex;flex-direction:column;gap:14px}
.film-card h3{font-size:var(--fs-lg)}
.film-card h3 a:hover{color:var(--brand-2)}
.film-meta{display:flex;flex-wrap:wrap;gap:6px 14px;color:var(--gray-5);font-size:var(--fs-sm)}
.film-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:4px;color:var(--gray-5);font-size:var(--fs-sm)}

/* ------------------------------ 11 榜单 -------------------------------- */
.rank-list{display:flex;flex-direction:column}
.rank-item{display:flex;align-items:center;gap:14px;padding:14px 4px;border-bottom:1px dashed var(--line)}
.rank-item:last-child{border-bottom:0}
.rank-num{
  width:30px;height:30px;border-radius:9px;flex:none;display:grid;place-items:center;
  background:rgba(21,21,31,.06);color:var(--gray-4);font-weight:700;font-size:var(--fs-sm);
}
.rank-item:nth-child(-n+3) .rank-num{background:var(--grad-1);color:#fff}
.rank-item .t{flex:1;min-width:0}
.rank-item .t b{display:block;color:var(--ink-1);font-size:var(--fs-sm);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-item .t span{font-size:var(--fs-xs);color:var(--gray-5)}
.rank-item .heat{color:var(--brand-2);font-weight:700;font-size:var(--fs-sm);flex:none}
.aside-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(20px,2vw,26px);box-shadow:var(--sh-1)}
.aside-card + .aside-card{margin-top:22px}
.aside-card h3{font-size:var(--fs-lg);margin-bottom:6px}
.aside-card .sub{font-size:var(--fs-sm);color:var(--gray-5);margin-bottom:14px}

/* ------------------------------ 12 列表 -------------------------------- */
.post-row{
  display:grid;grid-template-columns:54px 1fr auto;gap:16px;align-items:center;
  padding:18px 6px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.post-row:hover{background:rgba(212,53,42,.035)}
.post-row:last-child{border-bottom:0}
.post-row > img{width:54px;height:54px;border-radius:14px;object-fit:cover;flex:none}
.post-row .t b{display:block;color:var(--ink-1);font-size:var(--fs-md);line-height:1.4}
.post-row .t b a:hover{color:var(--brand-2)}
.post-row .t .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:7px}
.post-row .t .meta{display:flex;flex-wrap:wrap;gap:6px 16px;color:var(--gray-5);font-size:var(--fs-xs);margin-top:8px}
.post-row .stats{display:flex;gap:22px;text-align:right;color:var(--gray-5);font-size:var(--fs-xs);flex:none}
.post-row .stats b{display:block;color:var(--ink-1);font-size:var(--fs-md);line-height:1.2}
.board-row{
  display:grid;grid-template-columns:60px 1fr auto;gap:18px;align-items:center;
  padding:20px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.board-row:hover{transform:translateY(-3px);box-shadow:var(--sh-3)}
.board-row .info b{display:block;color:var(--ink-1)}
.board-row .info p{margin:4px 0 0;color:var(--gray-5);font-size:var(--fs-sm)}
.board-row .nums{display:flex;gap:20px;text-align:right;font-size:var(--fs-xs);color:var(--gray-5)}
.board-row .nums b{display:block;color:var(--ink-1);font-size:var(--fs-md)}

/* --------------------------- 13 数据/特性 ------------------------------ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gutter)}
.stat{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);border-radius:var(--r-md);padding:26px 22px}
.stat b{display:block;font-size:var(--fs-3xl);line-height:1.1;color:#fff;font-variant-numeric:tabular-nums}
.stat b i{font-style:normal;background:var(--grad-1);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:#a3a09b;font-size:var(--fs-sm)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gutter);counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;box-shadow:var(--sh-1)}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-size:var(--fs-2xl);font-weight:700;line-height:1;display:block;margin-bottom:14px;
  background:var(--grad-1);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.step h3{font-size:var(--fs-lg);margin-bottom:8px}
.step p{color:var(--gray-4);font-size:var(--fs-sm);margin:0}
.step:not(:last-child)::after{
  content:"";position:absolute;top:50%;right:-14px;width:28px;height:2px;
  background:repeating-linear-gradient(90deg,var(--gray-6) 0 5px,transparent 5px 10px);
}

/* ------------------------------ 14 评价 -------------------------------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gutter)}

/* ------------------------------- 15 CTA -------------------------------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--grad-2);color:#d8d6d1;
  border-radius:var(--r-xl);padding:clamp(38px,4.4vw,68px);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(560px 320px at 88% 8%,rgba(212,53,42,.4),transparent 70%);
}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:#b4b1ab;max-width:34em}
.cta-band > *{position:relative}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}

/* ------------------------------- 16 FAQ -------------------------------- */
.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .3s var(--ease)}
.faq-item.is-open{box-shadow:var(--sh-3);border-color:rgba(212,53,42,.35)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;text-align:left;font-weight:600;color:var(--ink-1);
}
.faq-q::after{
  content:"+";flex:none;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;background:rgba(212,53,42,.09);color:var(--brand-2);
  font-size:1.2rem;line-height:1;transition:transform .3s var(--ease);
}
.faq-item.is-open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a-inner{padding:0 22px 20px;color:var(--gray-4)}

/* --------------------------- 17 提示条/弹层 ----------------------------- */
.toast{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,24px);
  background:var(--ink-1);color:#fff;padding:13px 22px;border-radius:var(--r-full);
  font-size:var(--fs-sm);box-shadow:var(--sh-4);z-index:130;opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease);max-width:calc(100vw - 40px);
}
.toast.is-show{opacity:1;transform:translate(-50%,0)}
.modal{
  position:fixed;inset:0;z-index:120;display:grid;place-items:center;
  background:rgba(13,13,20,.78);padding:24px;opacity:0;pointer-events:none;transition:opacity .3s var(--ease);
}
.modal.is-open{opacity:1;pointer-events:auto}
.modal-box{
  position:relative;width:min(880px,100%);background:var(--ink-1);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-5);border:1px solid rgba(255,255,255,.1);
}
.modal-box img{width:100%;aspect-ratio:16/9;object-fit:cover}
.modal-note{padding:18px 22px;color:#a8a5a0;font-size:var(--fs-sm)}
.modal-close{
  position:absolute;top:12px;right:12px;z-index:2;width:40px;height:40px;border-radius:50%;
  background:rgba(13,13,20,.65);color:#fff;font-size:1.15rem;line-height:1;display:grid;place-items:center;
}

/* ------------------------------ 18 页脚 --------------------------------- */
.site-footer{background:var(--ink-0);color:#96938e;padding-block:clamp(48px,4vw,72px) 30px;font-size:var(--fs-sm)}
.site-footer h4{color:#fff;font-size:var(--fs-md);margin-bottom:16px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:clamp(24px,3vw,44px)}
.footer-brand p{margin:14px 0 0;max-width:26em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:#96938e;transition:color .2s var(--ease)}
.footer-links a:hover{color:#fff}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.tag-cloud a{
  padding:5px 13px;border-radius:var(--r-full);border:1px solid rgba(255,255,255,.12);
  color:#96938e;font-size:var(--fs-xs);transition:all .2s var(--ease);
}
.tag-cloud a:hover{color:#fff;border-color:var(--brand-1)}
.footer-bottom{
  margin-top:38px;padding-top:24px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;flex-wrap:wrap;gap:12px 26px;justify-content:space-between;align-items:center;
  font-size:var(--fs-xs);color:#6f6c76;
}
.footer-disclaimer{
  margin-top:22px;padding:16px 20px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);
  font-size:var(--fs-xs);color:#7c797f;line-height:1.8;
}

/* ----------------------------- 19 内页页头 ------------------------------ */
.page-hero{background:var(--paper-2);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(460px 260px at 92% 0%,rgba(212,53,42,.08),transparent 70%);
}
.page-hero .inner{position:relative;padding-block:clamp(44px,4vw,72px)}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:var(--fs-xs);color:var(--gray-5);margin-bottom:18px}
.crumbs a:hover{color:var(--brand-2)}
.crumbs .sep{opacity:.5}
.page-hero h1{font-size:var(--fs-3xl)}
.page-hero .lead{margin-top:14px;max-width:38em}
.hero-strip{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ------------------------------ 20 分页 -------------------------------- */
.pagination{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-top:clamp(28px,3vw,44px)}
.pagination a,.pagination span{
  min-width:42px;height:42px;padding-inline:13px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--gray-4);
  font-size:var(--fs-sm);font-weight:600;transition:all .2s var(--ease);
}
.pagination a:hover{border-color:var(--ink-3);color:var(--ink-1)}
.pagination .is-current{background:var(--ink-1);border-color:var(--ink-1);color:#fff}
.pagination .is-disabled{opacity:.45;pointer-events:none}

/* ------------------------------ 21 动效 -------------------------------- */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
[data-reveal][data-reveal-delay="1"]{transition-delay:.1s}
[data-reveal][data-reveal-delay="2"]{transition-delay:.2s}
[data-reveal][data-reveal-delay="3"]{transition-delay:.3s}
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:80;width:46px;height:46px;border-radius:50%;
  background:var(--ink-1);color:#fff;display:grid;place-items:center;box-shadow:var(--sh-3);
  opacity:0;pointer-events:none;transform:translateY(14px);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.to-top.is-show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{background:var(--brand-1)}

/* ----------------------------- 22 响应式 ------------------------------- */
@media (max-width:1080px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .film-grid{grid-template-columns:repeat(3,1fr)}
  .grid-side{grid-template-columns:1.5fr .9fr}
  .float-a{left:-14px}
  .float-b{right:-10px}
}
@media (max-width:960px){
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;z-index:100;
    width:min(320px,84vw);padding:22px 24px;
    background:var(--ink-1);flex-direction:column;align-items:stretch;gap:6px;
    transform:translateX(105%);transition:transform .35s var(--ease);
    box-shadow:var(--sh-5);overflow-y:auto;
  }
  .nav-links.is-open{transform:none}
  .nav-links a{color:#d5d2cc;padding:14px 16px;font-size:var(--fs-md);border-radius:var(--r-sm)}
  .nav-links a:hover,.nav-links a.is-active{background:rgba(255,255,255,.08);color:#fff}
  .drawer-close{display:grid;place-items:center}
  .hero-inner{grid-template-columns:1fr;padding-block:56px}
  .hero-visual{max-width:560px}
  .grid-3,.grid-2,.quotes,.steps,.footer-grid{grid-template-columns:repeat(2,1fr)}
  .grid-side{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .film-grid{grid-template-columns:repeat(2,1fr)}
  .board-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  :root{--gutter:18px}
  .grid-4,.grid-3,.grid-2,.quotes,.steps,.footer-grid,.stats,.board-grid{grid-template-columns:1fr}
  .film-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .btn-group .btn{flex:1 1 100%}
  .post-row{grid-template-columns:44px 1fr}
  .post-row > img{width:44px;height:44px;border-radius:12px}
  .post-row .stats{grid-column:1 / -1;justify-content:flex-start;text-align:left;gap:18px;border-top:1px dashed var(--line);padding-top:12px;margin-top:4px}
  .board-row{grid-template-columns:52px 1fr}
  .board-row .nums{grid-column:1 / -1;justify-content:flex-start;text-align:left;gap:18px}
  .float-card{animation:none}
  .float-a{top:-18px;left:8px;transform:scale(.88);transform-origin:top left}
  .float-b{bottom:-18px;right:8px;transform:scale(.88);transform-origin:bottom right}
  .float-c{display:none}
  .step:not(:last-child)::after{display:none}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .header-actions .btn{display:none}
  .film-card h3{font-size:var(--fs-md)}
}
@media (max-width:420px){
  .film-grid{grid-template-columns:1fr}
  .hero-facts{gap:10px 18px}
  .pagination a,.pagination span{min-width:38px;height:38px}
}

/* ---------------------------- 23 附加组件 ------------------------------ */
/* 23.1 筛选标签 */
.filter-tabs{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:26px}
.filter-tabs button{
  padding:9px 19px;border-radius:var(--r-full);border:1px solid var(--line);
  background:#fff;color:var(--gray-4);font-size:var(--fs-sm);font-weight:600;
  transition:all .2s var(--ease);
}
.filter-tabs button:hover{border-color:var(--ink-3);color:var(--ink-1)}
.filter-tabs button.is-on{background:var(--ink-1);border-color:var(--ink-1);color:#fff}
.filter-count{color:var(--gray-5);font-size:var(--fs-sm);margin-left:4px}
.film-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.board-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gutter)}
.grid-side .film-grid{grid-template-columns:repeat(2,1fr)}
@media (max-width:420px){.grid-side .film-grid{grid-template-columns:1fr}}

/* 23.2 长文排版 */
.prose{font-size:var(--fs-md);color:var(--ink-2);max-width:70ch}
.prose p{margin:0 0 1.15em}
.prose h2{font-size:var(--fs-2xl);margin:2em 0 .8em}
.prose h3{font-size:var(--fs-lg);margin:1.6em 0 .6em}
.prose ul{margin:0 0 1.15em;padding-left:2px;display:flex;flex-direction:column;gap:8px}
.prose ul li{position:relative;padding-left:22px}
.prose ul li::before{content:"";position:absolute;left:0;top:.62em;width:9px;height:9px;border-radius:3px;background:var(--grad-1)}
.prose blockquote{
  margin:1.6em 0;padding:20px 26px;border-radius:var(--r-md);
  background:rgba(212,53,42,.05);border-left:4px solid var(--brand-1);
  font-size:var(--fs-lg);color:var(--ink-1);font-weight:600;line-height:1.6;
}
.prose figure{margin:1.8em 0}
.prose figure img{border-radius:var(--r-md)}
.prose figcaption{margin-top:10px;font-size:var(--fs-xs);color:var(--gray-5)}
.article-head{display:flex;flex-direction:column;gap:16px;margin-bottom:26px}
.article-head .byline{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;color:var(--gray-5);font-size:var(--fs-sm)}
.article-head .byline img{width:42px;height:42px;border-radius:50%;object-fit:cover}
.review-card{display:flex;flex-direction:column;gap:12px}
.review-card h3{font-size:var(--fs-lg);line-height:1.4}
.review-card h3 a:hover{color:var(--brand-2)}
.review-card p{color:var(--gray-4);font-size:var(--fs-sm);margin:0}
.review-card .foot{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:6px;color:var(--gray-5);font-size:var(--fs-xs)}
.review-card .foot img{width:28px;height:28px;border-radius:50%;object-fit:cover}

/* 23.3 表单 */
.form{display:grid;gap:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:var(--fs-sm);font-weight:600;color:var(--ink-1)}
.field input,.field textarea,.field select{
  padding:13px 16px;border-radius:var(--r-sm);border:1.5px solid var(--line);
  background:#fff;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(212,53,42,.12);
}
.field .hint{font-size:var(--fs-xs);color:var(--gray-5)}
.subscribe{
  display:flex;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--r-full);
  padding:6px 6px 6px 20px;box-shadow:var(--sh-2);max-width:520px;
}
.subscribe input{flex:1;border:0;outline:none;background:none;min-width:0;font-size:var(--fs-sm)}
.subscribe .btn{flex:none}

/* 23.4 权益矩阵 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;box-shadow:var(--sh-1)}
.matrix th,.matrix td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:var(--fs-sm)}
.matrix thead th{background:var(--ink-1);color:#fff;font-size:var(--fs-xs);letter-spacing:.06em;text-transform:uppercase}
.matrix tbody tr:last-child td{border-bottom:0}
.matrix tbody tr:hover td{background:rgba(212,53,42,.03)}
.matrix td:first-child{font-weight:600;color:var(--ink-1)}
.matrix .yes{color:var(--teal);font-weight:700}
.matrix .no{color:var(--gray-6);font-weight:700}

/* 23.5 内页组件自有媒体查询 */
@media (max-width:680px){
  .form-row{grid-template-columns:1fr}
  .subscribe{flex-direction:column;border-radius:var(--r-md);padding:14px}
  .subscribe input{padding:10px 4px}
  .subscribe .btn{width:100%}
  .prose blockquote{padding:16px 18px}
}

/* 23.6 动效降级 */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  [data-reveal]{opacity:1;transform:none}
  .marquee-track{animation:none}
  .float-card{animation:none;transform:none}
}