/* roulang page: index */
:root{
    --coral:#F2545F;
    --coral-deep:#D63A46;
    --coral-dark:#B92F3A;
    --plum:#35263F;
    --plum-soft:#6B5C74;
    --cream:#FFF7F3;
    --white:#FFFFFF;
    --apricot:#FFEDE4;
    --mist:#F3EEF7;
    --honey:#FFB37B;
    --mint:#3FBFA8;
    --line:rgba(53,38,63,.08);
    --line-soft:rgba(53,38,63,.06);
    --radius-card:18px;
    --radius-pill:999px;
    --shadow-1:0 6px 20px rgba(53,38,63,.07);
    --shadow-2:0 14px 34px rgba(53,38,63,.14);
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--cream);
    color:var(--plum);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:17px;
    line-height:1.75;
    letter-spacing:0;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{margin:0;color:var(--plum);font-weight:800;letter-spacing:-.01em;line-height:1.3;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  a{color:inherit;text-decoration:none;}
  img{display:block;max-width:100%;border-radius:16px;}
  button{font-family:inherit;}
  :focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:8px;}

  .container{width:100%;max-width:1180px;margin:0 auto;padding:0 32px;}
  @media (max-width:1023px){.container{padding:0 24px;}}
  @media (max-width:639px){.container{padding:0 18px;}}

  /* ============ Header ============ */
  .site-header{
    position:sticky;top:0;z-index:80;
    height:64px;
    background:rgba(255,247,243,.72);
    border-bottom:1px solid transparent;
    transition:background 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease),backdrop-filter 220ms var(--ease);
  }
  .site-header.scrolled{
    background:rgba(255,255,255,.88);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    border-bottom-color:var(--line);
    box-shadow:0 4px 18px rgba(53,38,63,.05);
  }
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
  .nav-left{display:flex;align-items:center;gap:12px;min-width:0;}
  .logo{display:inline-flex;align-items:center;gap:9px;min-height:44px;}
  .logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:var(--white);box-shadow:var(--shadow-1);}
  .logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--plum);white-space:nowrap;}
  .nav-cat{
    display:inline-flex;align-items:center;
    padding:6px 12px;border-radius:var(--radius-pill);
    background:var(--mist);color:var(--plum);
    font-size:12px;font-weight:600;line-height:1.5;
    transition:background 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease);
    white-space:nowrap;
  }
  .nav-cat:hover{background:#E7DDF0;color:var(--coral-deep);transform:translateY(-1px);}
  .nav-cta{padding:11px 22px;font-size:15px;}
  @media (max-width:767px){
    .nav-cat{display:none;}
    .logo-text{font-size:16px;}
    .nav-cta{padding:10px 18px;font-size:14px;}
  }

  /* ============ Buttons ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:14px 28px;
    border-radius:var(--radius-pill);
    border:1px solid transparent;
    font-size:16px;font-weight:600;line-height:1.2;cursor:pointer;
    transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease),transform 220ms var(--ease);
  }
  .btn-primary{
    background:var(--coral);color:#fff;
    box-shadow:0 8px 20px rgba(242,84,95,.28);
  }
  .btn-primary:hover{background:var(--coral-deep);transform:translateY(-1px);box-shadow:0 12px 26px rgba(242,84,95,.32);}
  .btn-primary:active{background:var(--coral-dark);transform:translateY(1px);box-shadow:0 4px 12px rgba(242,84,95,.24);}
  .btn-ghost{
    background:transparent;color:var(--plum);
    border-color:rgba(53,38,63,.3);
  }
  .btn-ghost:hover{background:var(--apricot);border-color:var(--coral);color:var(--coral-deep);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(1px);}
  .btn-sm{padding:11px 20px;font-size:14px;}
  .btn-block{width:100%;}

  /* ============ Section base ============ */
  .section{padding:88px 0;}
  @media (max-width:1023px){.section{padding:64px 0;}}
  @media (max-width:639px){.section{padding:48px 0;}}
  .bg-white{background:var(--white);}
  .bg-cream{background:var(--cream);}
  .bg-apricot{background:var(--apricot);}
  .bg-mist{background:var(--mist);}
  .section-head{max-width:760px;margin-bottom:44px;}
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:7px;
    padding:6px 14px;border-radius:var(--radius-pill);
    background:var(--white);color:var(--coral-deep);
    font-size:13px;font-weight:700;letter-spacing:.02em;
    box-shadow:var(--shadow-1);margin-bottom:18px;
  }
  .section-title{font-size:34px;margin-bottom:14px;}
  .section-desc{color:var(--plum-soft);font-size:16.5px;line-height:1.8;}
  @media (max-width:639px){
    .section-title{font-size:24px;}
    .section-desc{font-size:15.5px;}
    .section-head{margin-bottom:30px;}
  }

  /* ============ Hero ============ */
  .hero{
    position:relative;
    padding:64px 0 80px;
    overflow:hidden;
    background:
      radial-gradient(720px 380px at 88% 4%, rgba(255,179,123,.30), transparent 62%),
      radial-gradient(560px 320px at 4% 22%, rgba(242,84,95,.12), transparent 60%),
      var(--cream);
  }
  .hero::after{
    content:"";position:absolute;right:-90px;bottom:-110px;width:320px;height:320px;
    border:1px dashed rgba(53,38,63,.14);border-radius:50%;pointer-events:none;
  }
  .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;position:relative;z-index:1;}
  .hero-title{font-size:clamp(30px,4.2vw,52px);line-height:1.22;margin-bottom:16px;}
  .hero-title .hl{position:relative;color:var(--coral);display:inline-block;}
  .hero-title .hl::after{
    content:"";position:absolute;left:0;right:0;bottom:2px;height:10px;border-radius:10px;
    background:linear-gradient(135deg,rgba(242,84,95,.22),rgba(255,179,123,.34));
    z-index:-1;
  }
  .hero-sub{font-size:18px;font-weight:600;color:var(--plum);margin-bottom:14px;}
  .hero-desc{color:var(--plum-soft);font-size:16px;line-height:1.85;margin-bottom:26px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px;}
  .hero-trust{display:flex;flex-wrap:wrap;gap:10px 22px;margin-bottom:26px;}
  .hero-trust li{position:relative;padding-left:18px;font-size:13.5px;color:var(--plum-soft);}
  .hero-trust li::before{
    content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
    background:var(--mint);
  }
  .invite-card{
    background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);padding:20px 22px;max-width:470px;
  }
  .invite-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:6px;}
  .invite-title{font-size:15px;font-weight:800;}
  .invite-count{font-size:13px;font-weight:700;color:var(--coral);}
  .invite-note{font-size:13.5px;color:var(--plum-soft);line-height:1.7;margin-bottom:12px;}
  .progress{height:9px;border-radius:999px;background:var(--apricot);overflow:hidden;margin-bottom:14px;}
  .progress span{display:block;height:100%;border-radius:999px;background:linear-gradient(135deg,var(--coral),var(--honey));}
  .invite-btn{
    display:inline-flex;align-items:center;justify-content:center;
    min-height:44px;padding:10px 22px;border-radius:var(--radius-pill);
    background:var(--apricot);color:var(--coral-deep);font-size:14px;font-weight:700;
    transition:background 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease);
  }
  .invite-btn:hover{background:var(--coral);color:#fff;transform:translateY(-1px);}

  .hero-visual{position:relative;padding-bottom:28px;}
  .phone-frame{
    position:relative;aspect-ratio:4/5;width:100%;max-width:400px;margin-left:auto;
    border-radius:26px;overflow:hidden;background:var(--white);
    box-shadow:0 24px 60px rgba(53,38,63,.16);
    border:1px solid rgba(255,255,255,.7);
  }
  .phone-frame img{width:100%;height:100%;object-fit:cover;border-radius:0;}
  .bubble{
    position:absolute;display:inline-flex;align-items:center;gap:8px;
    background:var(--white);border-radius:16px;padding:10px 16px;
    font-size:13.5px;font-weight:700;color:var(--plum);
    box-shadow:var(--shadow-2);border:1px solid var(--line-soft);
    animation:floaty 5.5s ease-in-out infinite;
  }
  .bubble-a{left:-8px;top:16%;}
  .bubble-b{right:-6px;bottom:14%;animation-delay:1.6s;color:var(--coral-deep);}
  @keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-9px);}}
  @media (max-width:1023px){
    .hero-grid{grid-template-columns:1fr;gap:38px;}
    .hero-visual{order:-1;max-width:420px;}
    .phone-frame{margin:0 auto;}
    .bubble-a{left:0;}
    .bubble-b{right:0;}
  }
  @media (max-width:639px){
    .hero{padding:36px 0 52px;}
    .bubble{font-size:12.5px;padding:8px 12px;}
    .hero-actions .btn{flex:1 1 auto;}
    .invite-card{padding:16px 16px;}
  }

  /* ============ Download ============ */
  .download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .download-card{
    background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius-card);
    padding:28px 24px;box-shadow:var(--shadow-1);
    display:flex;flex-direction:column;gap:12px;
    transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
  }
  .download-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(242,84,95,.28);}
  .download-icon{
    width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
    background:var(--apricot);color:var(--coral-deep);
    transition:transform 220ms var(--ease);
  }
  .download-card:hover .download-icon{transform:rotate(-4deg) scale(1.04);}
  .download-name{font-size:19px;font-weight:800;}
  .download-note{font-size:14px;color:var(--plum-soft);line-height:1.7;flex:1;}
  @media (max-width:1023px){.download-grid{grid-template-columns:1fr 1fr;}}
  @media (max-width:639px){.download-grid{grid-template-columns:1fr;}}

  /* ============ Value trio ============ */
  .value-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:20px;}
  .value-card{
    background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius-card);
    padding:28px 26px;box-shadow:var(--shadow-1);
    transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
  }
  .value-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
  .value-num{font-size:46px;font-weight:800;line-height:1;color:var(--coral);letter-spacing:-.03em;margin-bottom:12px;}
  .value-quote{
    background:var(--mist);border-left:3px solid var(--coral);border-radius:0 16px 16px 0;
    padding:18px 20px;font-size:16px;font-weight:700;color:var(--plum);margin-bottom:14px;line-height:1.65;
  }
  .value-title{font-size:18px;margin-bottom:8px;}
  .value-text{font-size:14.5px;color:var(--plum-soft);line-height:1.75;}
  @media (max-width:1023px){.value-grid{grid-template-columns:1fr;}}

  /* ============ Bento features ============ */
  .bento{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;}
  .bento-item{
    grid-column:span 3;
    background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius-card);
    padding:26px 24px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
    transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
  }
  .bento-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
  .bento-item:hover .bento-icon{transform:rotate(2deg);}
  .bento-feat{grid-column:span 3;grid-row:span 2;background:linear-gradient(160deg,#FFF1EC,#FFE3D6);border-color:rgba(242,84,95,.18);}
  .bento-sm{grid-column:span 2;}
  .bento-wide{grid-column:span 4;}
  .bento-icon{
    width:46px;height:46px;border-radius:14px;background:var(--apricot);color:var(--coral-deep);
    display:flex;align-items:center;justify-content:center;margin-bottom:16px;
    transition:transform 220ms var(--ease);
  }
  .bento-feat .bento-icon{background:var(--white);}
  .bento-title{font-size:19px;margin-bottom:10px;}
  .bento-text{font-size:14.5px;color:var(--plum-soft);line-height:1.8;}
  .bento-feat .bento-text{font-size:15px;color:#5C4A66;}
  .bento-art{margin-top:auto;}
  @media (max-width:1023px){
    .bento{grid-template-columns:repeat(2,1fr);}
    .bento-item,.bento-feat,.bento-sm,.bento-wide{grid-column:span 1;grid-row:auto;}
    .bento-feat{grid-column:span 2;}
  }
  @media (max-width:639px){
    .bento{grid-template-columns:1fr;}
    .bento-feat{grid-column:span 1;}
  }

  /* ============ Scenes rail ============ */
  .rail{
    display:flex;gap:18px;overflow-x:auto;padding:4px 4px 18px;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
  }
  .rail::-webkit-scrollbar{height:6px;}
  .rail::-webkit-scrollbar-thumb{background:rgba(53,38,63,.16);border-radius:999px;}
  .scene-card{
    flex:0 0 268px;scroll-snap-align:start;
    background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius-card);
    overflow:hidden;box-shadow:var(--shadow-1);
    transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
  }
  .scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
  .scene-bar{height:6px;background:linear-gradient(135deg,var(--coral),var(--honey));}
  .scene-body{padding:22px 20px 24px;}
  .scene-title{font-size:17px;margin-bottom:8px;}
  .scene-text{font-size:14px;color:var(--plum-soft);line-height:1.75;}
  .rail-tip{font-size:13px;color:var(--plum-soft);margin-top:4px;}
  @media (min-width:1024px){.rail-tip{display:none;}}

  /* ============ Stage / demo ============ */
  .stage-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
  .stage{position:relative;min-height:440px;}
  .stage img{
    position:absolute;width:190px;border-radius:22px;
    box-shadow:0 18px 44px rgba(53,38,63,.18);border:5px solid #fff;
    transition:transform 300ms var(--ease);
  }
  .stage img:nth-child(1){left:0;top:56px;transform:rotate(-7deg);}
  .stage img:nth-child(2){left:27%;top:0;z-index:2;}
  .stage img:nth-child(3){left:54%;top:70px;transform:rotate(7deg);}
  .stage:hover img:nth-child(1){transform:rotate(-9deg) translateY(-6px);}
  .stage:hover img:nth-child(3){transform:rotate(9deg) translateY(-6px);}
  .step-list{display:grid;gap:14px;}
  .step-item{
    display:flex;gap:16px;align-items:flex-start;
    background:var(--white);border:1px solid var(--line-soft);border-radius:16px;
    padding:18px 20px;box-shadow:var(--shadow-1);
  }
  .step-num{
    flex:0 0 auto;width:32px;height:32px;border-radius:10px;
    background:var(--coral);color:#fff;font-size:14px;font-weight:800;
    display:flex;align-items:center;justify-content:center;
  }
  .step-item h3{font-size:16px;margin-bottom:4px;}
  .step-item p{font-size:14px;color:var(--plum-soft);line-height:1.7;}
  @media (max-width:1023px){
    .stage-grid{grid-template-columns:1fr;gap:36px;}
    .stage{min-height:0;display:flex;gap:14px;justify-content:center;}
    .stage img{position:static;width:31%;border-width:3px;transform:none !important;}
    .stage:hover img{transform:none;}
  }

  /* ============ Story cards ============ */
  .story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .story-card{
    background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius-card);
    overflow:hidden;box-shadow:var(--shadow-1);
    transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
  }
  .story-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
  .story-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
  .story-body{padding:22px 22px 26px;}
  .story-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--coral-deep);background:var(--apricot);border-radius:999px;padding:4px 12px;margin-bottom:12px;}
  .story-title{font-size:17px;margin-bottom:8px;}
  .story-text{font-size:14px;color:var(--plum-soft);line-height:1.78;}
  @media (max-width:1023px){.story-grid{grid-template-columns:1fr;}}

  /* ============ Plan compare ============ */
  .plan-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:22px;align-items:stretch;}
  .plan-card{
    background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius-card);
    padding:30px 28px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  }
  .plan-main{
    background:linear-gradient(165deg,#FFFFFF,#FFF1EC);
    border-color:rgba(242,84,95,.24);box-shadow:var(--shadow-2);
  }
  .plan-badge{
    align-self:flex-start;font-size:12px;font-weight:800;color:#fff;background:var(--coral);
    border-radius:999px;padding:5px 14px;margin-bottom:14px;
  }
  .plan-name{font-size:22px;margin-bottom:6px;}
  .plan-price{font-size:40px;font-weight:800;color:var(--coral);letter-spacing:-.03em;line-height:1.1;margin-bottom:6px;}
  .plan-price small{font-size:14px;font-weight:600;color:var(--plum-soft);margin-left:6px;letter-spacing:0;}
  .plan-note{font-size:13.5px;color:var(--plum-soft);margin-bottom:20px;line-height:1.7;}
  .plan-list{display:grid;gap:11px;margin-bottom:24px;}
  .plan-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;line-height:1.7;}
  .plan-list li .mark{flex:0 0 auto;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#fff;background:var(--mint);margin-top:2px;}
  .plan-list li.off{color:#A293AB;}
  .plan-list li.off .mark{background:#DED4E4;color:#8E7D98;}
  .plan-card .btn{margin-top:auto;}
  @media (max-width:1023px){.plan-grid{grid-template-columns:1fr;}}

  /* ============ Mood wall ============ */
  .mood-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
  .mood-card{
    background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius-card);
    padding:24px 22px;box-shadow:var(--shadow-1);position:relative;
    transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
  }
  .mood-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
  .mood-quote{font-size:34px;line-height:1;color:rgba(242,84,95,.35);font-weight:800;margin-bottom:8px;}
  .mood-text{font-size:16px;font-weight:600;color:var(--plum);line-height:1.7;margin-bottom:14px;}
  .mood-from{font-size:12.5px;color:var(--plum-soft);}
  @media (max-width:1023px){.mood-grid{grid-template-columns:1fr 1fr;}}
  @media (max-width:639px){.mood-grid{grid-template-columns:1fr;}}

  /* ============ Tag cloud ============ */
  .tag-list{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .tag{
    display:inline-flex;align-items:center;padding:9px 18px;border-radius:999px;
    background:var(--white);border:1px solid var(--line);color:var(--plum);
    font-size:14px;font-weight:600;
    transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease);
  }
  .tag:hover{background:var(--mist);border-color:rgba(242,84,95,.4);color:var(--coral-deep);transform:translateY(-2px);}
  @media (max-width:639px){.tag{font-size:13px;padding:8px 14px;}}

  /* ============ Privacy ============ */
  .privacy-grid{display:grid;grid-template-columns:auto 1fr;gap:34px;align-items:start;}
  .privacy-icon{
    width:88px;height:88px;border-radius:26px;background:var(--white);
    display:flex;align-items:center;justify-content:center;color:var(--mint);
    box-shadow:var(--shadow-1);
  }
  .privacy-list{display:grid;gap:18px;margin-top:24px;}
  .privacy-item{display:flex;gap:14px;align-items:flex-start;}
  .privacy-dot{flex:0 0 auto;width:10px;height:10px;border-radius:50%;background:var(--mint);margin-top:9px;}
  .privacy-item h3{font-size:16px;margin-bottom:4px;}
  .privacy-item p{font-size:14.5px;color:var(--plum-soft);line-height:1.8;}
  @media (max-width:767px){
    .privacy-grid{grid-template-columns:1fr;gap:22px;}
    .privacy-icon{width:64px;height:64px;border-radius:20px;}
  }

  /* ============ Steps timeline ============ */
  .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative;margin-top:8px;}
  .timeline::before{
    content:"";position:absolute;left:8%;right:8%;top:26px;height:0;
    border-top:2px dashed rgba(242,84,95,.3);
  }
  .tl-item{position:relative;text-align:center;padding:0 8px;}
  .tl-dot{
    width:54px;height:54px;border-radius:50%;background:var(--white);
    border:2px solid rgba(242,84,95,.35);color:var(--coral-deep);
    display:flex;align-items:center;justify-content:center;
    font-size:18px;font-weight:800;margin:0 auto 16px;position:relative;z-index:1;
    box-shadow:var(--shadow-1);
  }
  .tl-item h3{font-size:17px;margin-bottom:8px;}
  .tl-item p{font-size:14px;color:var(--plum-soft);line-height:1.78;}
  @media (max-width:767px){
    .timeline{grid-template-columns:1fr;gap:26px;}
    .timeline::before{display:none;}
    .tl-item{text-align:left;display:grid;grid-template-columns:54px 1fr;gap:16px;align-items:start;padding:0;}
    .tl-dot{margin:0;}
    .tl-item h3{margin-top:2px;}
  }

  /* ============ News (CMS) ============ */
  .news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap;}
  .news-all{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--coral-deep);
    border-bottom:1px solid transparent;transition:border-color 220ms var(--ease),color 220ms var(--ease);
  }
  .news-all:hover{color:var(--coral-dark);border-bottom-color:var(--coral);}
  .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .news-card{
    display:flex;flex-direction:column;overflow:hidden;
    background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);
    transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
  }
  .news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(242,84,95,.25);}
  .news-card:hover .news-title{color:var(--coral-deep);}
  .news-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .chip{
    display:inline-flex;align-items:center;align-self:flex-start;
    padding:4px 12px;border-radius:999px;background:var(--mist);color:var(--plum);
    font-size:12px;font-weight:700;line-height:1.6;
  }
  .news-title{font-size:17px;line-height:1.5;transition:color 220ms var(--ease);}
  .news-summary{
    font-size:14px;color:var(--plum-soft);line-height:1.75;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:#9A8CA3;padding-top:8px;border-top:1px solid var(--line-soft);}
  .news-more{color:var(--coral-deep);font-weight:700;}
  .news-empty{
    grid-column:1 / -1;
    background:var(--white);border:1px dashed rgba(53,38,63,.18);border-radius:var(--radius-card);
    padding:44px 28px;text-align:center;
  }
  .news-empty p{font-size:15px;color:var(--plum-soft);margin-bottom:18px;}
  @media (max-width:1023px){.news-grid{grid-template-columns:1fr 1fr;}}
  @media (max-width:639px){.news-grid{grid-template-columns:1fr;}}

  /* ============ Final CTA ============ */
  .cta-band{
    position:relative;overflow:hidden;border-radius:26px;
    background:
      linear-gradient(135deg,rgba(53,38,63,.94),rgba(53,38,63,.86)),
      url('/assets/images/ed011679f8ab7b36.jpg') center/cover no-repeat;
    color:#fff;padding:64px 48px;text-align:center;
    box-shadow:0 26px 60px rgba(53,38,63,.22);
  }
  .cta-band::after{
    content:"";position:absolute;left:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,179,123,.35),transparent 68%);pointer-events:none;
  }
  .cta-band h2{color:#fff;font-size:36px;margin-bottom:14px;position:relative;z-index:1;}
  .cta-band p{color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.8;max-width:660px;margin:0 auto 28px;position:relative;z-index:1;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:center;position:relative;z-index:1;}
  .cta-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:20px;position:relative;z-index:1;}
  .cta-link{
    display:inline-flex;align-items:center;gap:7px;
    padding:8px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.28);
    color:rgba(255,255,255,.86);font-size:13.5px;font-weight:600;
    transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
  }
  .cta-link:hover{background:rgba(255,179,123,.18);border-color:var(--honey);color:var(--honey);}
  @media (max-width:767px){
    .cta-band{padding:44px 22px;border-radius:20px;}
    .cta-band h2{font-size:24px;}
    .cta-band p{font-size:14.5px;}
  }

  /* ============ Footer ============ */
  .site-footer{background:var(--plum);color:#E9DFF0;padding:64px 0 28px;margin-top:0;}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;}
  .footer-logo{font-size:19px;font-weight:800;color:#fff;margin-bottom:12px;}
  .footer-brand p{font-size:14px;line-height:1.85;color:rgba(233,223,240,.72);max-width:360px;}
  .footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
  .footer-col ul{display:grid;gap:10px;}
  .footer-col a{
    font-size:14px;color:#E9DFF0;text-decoration:none;
    transition:color 220ms var(--ease);
  }
  .footer-col a:hover{color:var(--honey);text-decoration:underline;text-underline-offset:4px;}
  .footer-bottom{
    border-top:1px solid rgba(233,223,240,.14);padding-top:22px;
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
    font-size:13px;color:rgba(233,223,240,.6);
  }
  @media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;}}
  @media (max-width:639px){
    .site-footer{padding:44px 0 22px;}
    .footer-grid{grid-template-columns:1fr;gap:26px;}
    .footer-brand p{max-width:none;}
  }

/* roulang page: article */
:root{
  --coral:#F2545F;
  --coral-deep:#D63A46;
  --coral-dark:#B92F3A;
  --plum:#35263F;
  --plum-soft:#6B5C74;
  --cream:#FFF7F3;
  --white:#FFFFFF;
  --apricot:#FFEDE4;
  --mist:#F3EEF7;
  --honey:#FFB37B;
  --mint:#3FBFA8;
  --line:rgba(53,38,63,.08);
  --line-soft:rgba(53,38,63,.06);
  --radius-card:18px;
  --radius-pill:999px;
  --shadow-1:0 6px 20px rgba(53,38,63,.07);
  --shadow-2:0 14px 34px rgba(53,38,63,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--cream);
  color:var(--plum);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;border-radius:16px;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 32px;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  height:64px;
  background:rgba(255,247,243,.72);
  border-bottom:1px solid transparent;
  transition:background 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease),backdrop-filter 220ms var(--ease);
}
.site-header.scrolled{
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
  box-shadow:0 4px 18px rgba(53,38,63,.05);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
.nav-left{display:flex;align-items:center;gap:12px;min-width:0;}
.logo{display:inline-flex;align-items:center;gap:9px;min-height:44px;}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:var(--white);box-shadow:var(--shadow-1);}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--plum);white-space:nowrap;}
.nav-cat{
  display:inline-flex;align-items:center;
  padding:6px 12px;border-radius:var(--radius-pill);
  background:var(--mist);color:var(--plum);
  font-size:12px;font-weight:600;line-height:1.5;
  transition:background 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease);
  white-space:nowrap;
}
.nav-cat:hover{background:#E7DDF0;color:var(--coral-deep);transform:translateY(-1px);}
.nav-cta{padding:11px 22px;font-size:15px;}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:14px 28px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:16px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease),transform 220ms var(--ease);
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 20px rgba(242,84,95,.28);}
.btn-primary:hover{background:var(--coral-deep);transform:translateY(-1px);box-shadow:0 12px 26px rgba(242,84,95,.32);}
.btn-primary:active{background:var(--coral-dark);transform:translateY(1px);box-shadow:0 4px 12px rgba(242,84,95,.24);}
.btn-ghost{background:transparent;color:var(--plum);border-color:rgba(53,38,63,.3);}
.btn-ghost:hover{background:var(--apricot);border-color:var(--coral);color:var(--coral-deep);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:11px 20px;font-size:14px;}

/* ============ Section base ============ */
.section{padding:64px 0;}
.section-white{background:var(--white);}
.section-cream{background:var(--cream);}

/* ============ Breadcrumb ============ */
.breadcrumb-bar{background:var(--cream);padding:20px 0 0;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(53,38,63,.6);}
.breadcrumb a{transition:color 220ms var(--ease);}
.breadcrumb a:hover{color:var(--coral-deep);}
.breadcrumb .sep{color:rgba(53,38,63,.32);}
.breadcrumb .current{display:inline-block;max-width:56ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:rgba(53,38,63,.75);}

/* ============ Article head ============ */
.article-head{
  position:relative;
  overflow:hidden;
  padding:28px 0 34px;
  background:
    radial-gradient(620px 320px at 90% 0%, rgba(255,179,123,.26), transparent 62%),
    radial-gradient(460px 260px at 2% 30%, rgba(242,84,95,.10), transparent 60%),
    var(--cream);
}
.article-head::after{
  content:"";
  position:absolute;right:-70px;top:-40px;width:220px;height:220px;
  border:1px dashed rgba(53,38,63,.14);border-radius:50%;pointer-events:none;
}
.article-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--white);color:var(--coral-deep);
  font-size:13px;font-weight:700;box-shadow:var(--shadow-1);
}
.article-h1{
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.32;
  font-weight:800;
  letter-spacing:-.01em;
  margin:16px 0 14px;
  max-width:880px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:13.5px;color:var(--plum-soft);}
.article-meta span{position:relative;padding-left:16px;}
.article-meta span::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
  background:var(--coral);opacity:.75;
}

/* ============ Article body ============ */
.article-body{padding:8px 0 64px;background:var(--cream);}
.prose-wrap{max-width:840px;margin:0 auto;}
.article-cover{
  margin:0 0 28px;
  border-radius:22px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  border:1px solid var(--line-soft);
}
.article-cover img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.prose-card{
  background:var(--white);
  border:1px solid var(--line-soft);
  border-radius:24px;
  box-shadow:var(--shadow-1);
  padding:42px 46px;
}
.prose-cn{font-size:17px;line-height:1.9;color:rgba(53,38,63,.92);}
.prose-cn p{margin:1.2em 0;}
.prose-cn p:first-child{margin-top:0;}
.prose-cn h2{
  position:relative;
  font-size:26px;font-weight:800;line-height:1.4;
  color:var(--plum);
  margin:36px 0 14px;
  padding-left:16px;
}
.prose-cn h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:var(--coral);
}
.prose-cn h3{font-size:20px;font-weight:700;margin:28px 0 10px;color:var(--plum);}
.prose-cn h4{font-size:17px;font-weight:700;margin:22px 0 8px;color:var(--plum);}
.prose-cn ul,.prose-cn ol{margin:14px 0;padding-left:1.4em;}
.prose-cn ul{list-style:disc;}
.prose-cn ol{list-style:decimal;}
.prose-cn li{margin:8px 0;}
.prose-cn li::marker{color:var(--coral);}
.prose-cn blockquote{
  margin:22px 0;padding:16px 22px;
  background:var(--apricot);
  border-left:3px solid var(--coral);
  border-radius:0 14px 14px 0;
  color:var(--plum);
}
.prose-cn blockquote p{margin:0;}
.prose-cn a{color:var(--coral-deep);text-decoration:underline;text-underline-offset:3px;}
.prose-cn a:hover{color:var(--coral-dark);}
.prose-cn img{border-radius:16px;margin:22px auto;height:auto;}
.prose-cn figure{margin:22px 0;}
.prose-cn figcaption{font-size:13px;color:var(--plum-soft);text-align:center;margin-top:8px;}
.prose-cn hr{border:none;height:1px;background:var(--line);margin:30px 0;}
.prose-cn table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15.5px;}
.prose-cn th,.prose-cn td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.prose-cn th{background:var(--mist);font-weight:700;}
.empty-state{text-align:center;padding:26px 8px;}
.empty-state h2{font-size:22px;font-weight:800;margin-bottom:10px;}
.empty-state p{color:var(--plum-soft);font-size:15.5px;margin-bottom:20px;}

/* ============ Key points / callout ============ */
.key-points{
  background:var(--mist);
  border-radius:var(--radius-card);
  padding:28px 30px;
  max-width:840px;
  margin:0 auto 24px;
}
.key-points h2{font-size:20px;font-weight:800;margin-bottom:16px;color:var(--plum);}
.key-points ul{list-style:none;margin:0;padding:0;display:grid;gap:13px;}
.key-points li{display:flex;gap:11px;align-items:flex-start;font-size:15.5px;line-height:1.8;color:rgba(53,38,63,.88);}
.key-points .tick{
  flex:0 0 auto;width:22px;height:22px;margin-top:4px;border-radius:50%;
  background:rgba(63,191,168,.16);display:inline-flex;align-items:center;justify-content:center;
}
.cat-callout{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:var(--white);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:26px 30px;
  max-width:840px;
  margin:0 auto;
  transition:box-shadow 220ms var(--ease),transform 220ms var(--ease);
}
.cat-callout:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.cat-callout h2{font-size:19px;font-weight:800;margin-bottom:6px;}
.cat-callout p{font-size:14.5px;color:var(--plum-soft);margin:0;max-width:48ch;}

/* ============ Download strip ============ */
.download-strip{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  background:var(--apricot);
  border-radius:24px;
  padding:32px 34px;
  max-width:840px;
  margin:0 auto;
}
.download-strip h2{font-size:24px;font-weight:800;line-height:1.4;margin-bottom:8px;}
.download-strip p{font-size:14.5px;color:var(--plum-soft);margin:0;}
.dl-links{display:flex;flex-wrap:wrap;gap:10px;}
.dl-link{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:11px 18px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  font-size:14.5px;font-weight:600;color:var(--plum);
  transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.dl-link:hover{background:var(--coral);border-color:var(--coral);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,84,95,.26);}
.dl-link:active{transform:translateY(1px);}
.dl-link svg{flex:0 0 auto;}

/* ============ Page notes ============ */
.page-notes{max-width:840px;margin:0 auto;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.chip{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--white);border:1px solid var(--line);
  font-size:13px;color:var(--plum-soft);
}
.note-line{font-size:13px;color:var(--plum-soft);line-height:1.8;}

/* ============ Footer ============ */
.site-footer{background:var(--plum);color:#E9DFF0;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-logo{font-size:19px;font-weight:800;color:#fff;margin-bottom:12px;letter-spacing:-.01em;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(233,223,240,.72);max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin:0 0 14px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14.5px;color:#E9DFF0;transition:color 220ms var(--ease);}
.footer-col a:hover{color:var(--honey);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  border-top:1px solid rgba(233,223,240,.16);
  margin-top:44px;padding:22px 0 26px;
  font-size:13px;color:rgba(233,223,240,.6);
}

/* ============ Responsive ============ */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:52px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .prose-card{padding:32px 28px;}
  .download-strip h2{font-size:22px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .nav-cat{display:none;}
  .logo-text{font-size:16px;}
  .nav-cta{padding:10px 18px;font-size:14px;}
  .section{padding:44px 0;}
  .article-tag{font-size:12px;padding:5px 12px;}
  .article-h1{font-size:26px;}
  .prose-card{padding:24px 20px;border-radius:20px;}
  .prose-cn{font-size:16.5px;line-height:1.85;}
  .prose-cn h2{font-size:22px;}
  .prose-cn h3{font-size:18.5px;}
  .key-points{padding:22px 20px;}
  .cat-callout{padding:22px 20px;align-items:flex-start;flex-direction:column;}
  .download-strip{padding:24px 20px;flex-direction:column;align-items:flex-start;}
  .download-strip h2{font-size:20px;}
  .breadcrumb .current{white-space:normal;max-width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
  .footer-brand p{max-width:100%;}
}
@media (max-width:519px){
  .article-h1{font-size:23px;}
  .prose-card{padding:20px 16px;}
  .dl-link{width:100%;justify-content:center;}
  .dl-links{width:100%;}
  .btn{font-size:15px;padding:13px 22px;}
}

/* roulang page: category1 */
:root{
  --coral:#F2545F;
  --coral-deep:#D63A46;
  --coral-dark:#B92F3A;
  --plum:#35263F;
  --plum-soft:#6B5C74;
  --cream:#FFF7F3;
  --white:#FFFFFF;
  --apricot:#FFEDE4;
  --mist:#F3EEF7;
  --honey:#FFB37B;
  --mint:#3FBFA8;
  --line:rgba(53,38,63,.08);
  --line-soft:rgba(53,38,63,.06);
  --radius-card:18px;
  --radius-pill:999px;
  --shadow-1:0 6px 20px rgba(53,38,63,.07);
  --shadow-2:0 14px 34px rgba(53,38,63,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--cream);color:var(--plum);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;line-height:1.75;letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;border-radius:16px;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 32px;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:80;height:64px;
  background:rgba(255,247,243,.72);
  border-bottom:1px solid transparent;
  transition:background 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease),backdrop-filter 220ms var(--ease);
}
.site-header.scrolled{
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
  box-shadow:0 4px 18px rgba(53,38,63,.05);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
.nav-left{display:flex;align-items:center;gap:12px;min-width:0;}
.logo{display:inline-flex;align-items:center;gap:9px;min-height:44px;}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:var(--white);box-shadow:var(--shadow-1);}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--plum);white-space:nowrap;}
.nav-cat{
  display:inline-flex;align-items:center;padding:6px 12px;border-radius:var(--radius-pill);
  background:var(--mist);color:var(--plum);font-size:12px;font-weight:600;line-height:1.5;white-space:nowrap;
  transition:background 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease);
}
.nav-cat:hover{background:#E7DDF0;color:var(--coral-deep);transform:translateY(-1px);}
.nav-cat.is-active{background:var(--coral);color:#fff;}
.nav-cat.is-active:hover{background:var(--coral-deep);color:#fff;}
.nav-cta{padding:11px 22px;font-size:15px;}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:14px 28px;border-radius:var(--radius-pill);
  border:1px solid transparent;font-size:16px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease),transform 220ms var(--ease);
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 20px rgba(242,84,95,.28);}
.btn-primary:hover{background:var(--coral-deep);transform:translateY(-1px);box-shadow:0 12px 26px rgba(242,84,95,.32);}
.btn-primary:active{background:var(--coral-dark);transform:translateY(1px);box-shadow:0 4px 12px rgba(242,84,95,.24);}
.btn-ghost{background:transparent;color:var(--plum);border-color:rgba(53,38,63,.3);}
.btn-ghost:hover{background:var(--apricot);border-color:var(--coral);color:var(--coral-deep);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:11px 20px;font-size:14px;}

/* ============ Section ============ */
.section{padding:80px 0;}
.section-head{max-width:780px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--white);color:var(--coral-deep);font-size:13px;font-weight:700;letter-spacing:.02em;
  box-shadow:var(--shadow-1);margin-bottom:18px;
}
.section-title{font-size:32px;font-weight:800;letter-spacing:-.01em;line-height:1.35;margin-bottom:14px;}
.section-desc{color:var(--plum-soft);font-size:16px;line-height:1.85;}
.bg-white{background:var(--white);}
.bg-mist{background:var(--mist);}
.bg-apricot{background:var(--apricot);}

/* ============ Category hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(560px 260px at 92% 0%, rgba(255,179,123,.42), transparent 66%),
    radial-gradient(420px 240px at 2% 90%, rgba(242,84,95,.12), transparent 62%),
    var(--apricot);
  border-bottom:1px solid rgba(53,38,63,.06);
  padding:44px 0 48px;
}
.cat-hero::before{
  content:"";position:absolute;right:44px;top:26px;width:120px;height:86px;
  border:1px dashed rgba(53,38,63,.16);border-radius:26px 26px 26px 6px;pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;right:184px;bottom:22px;width:14px;height:14px;border-radius:50%;
  background:rgba(242,84,95,.22);pointer-events:none;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(53,38,63,.6);margin-bottom:16px;}
.crumb a:hover{color:var(--coral-deep);}
.crumb .sep{color:rgba(53,38,63,.32);}
.cat-hero-inner{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;position:relative;z-index:1;}
.cat-hero h1{font-size:clamp(26px,3.7vw,40px);font-weight:800;line-height:1.3;letter-spacing:-.01em;max-width:720px;}
.cat-hero h1 .hl{color:var(--coral);}
.cat-hero-sub{margin-top:12px;color:#5E4C6B;font-size:16px;max-width:640px;}
.cat-hero-side{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.cat-hero-side .hint{font-size:13px;color:var(--plum-soft);}

/* ============ Filter bar ============ */
.filter-bar{padding:26px 0 0;}
.chip-row{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 8px;-webkit-overflow-scrolling:touch;}
.chip-row::-webkit-scrollbar{height:4px;}
.chip-row::-webkit-scrollbar-thumb{background:rgba(53,38,63,.15);border-radius:999px;}
.chip-btn{
  flex:0 0 auto;min-height:40px;padding:8px 18px;border-radius:var(--radius-pill);
  background:var(--white);border:1px solid rgba(53,38,63,.16);color:var(--plum);
  font-size:13.5px;font-weight:600;cursor:pointer;
  transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease);
}
.chip-btn:hover{border-color:var(--coral);color:var(--coral-deep);transform:translateY(-1px);}
.chip-btn.is-active{background:var(--coral);border-color:var(--coral);color:#fff;}
.chip-btn.is-active:hover{background:var(--coral-deep);border-color:var(--coral-deep);color:#fff;}

/* ============ Post cards ============ */
.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
.post-card{
  background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(242,84,95,.24);}
.post-thumb{display:block;}
.post-thumb img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.post-body{padding:20px 22px 22px;}
.chip{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--radius-pill);background:var(--mist);color:var(--plum);font-size:12px;font-weight:600;}
.post-title{font-size:19px;font-weight:800;line-height:1.55;margin:10px 0 8px;}
.post-title a{transition:color 200ms var(--ease);}
.post-title a:hover{color:var(--coral-deep);}
.post-excerpt{
  color:var(--plum-soft);font-size:14.5px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{margin-top:14px;padding-top:12px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--plum-soft);}
.empty-state{
  background:var(--white);border:1px dashed rgba(53,38,63,.18);border-radius:var(--radius-card);
  padding:44px 24px;text-align:center;color:var(--plum-soft);
}
.empty-state p{margin-bottom:16px;font-size:15.5px;}

/* ============ Guide ============ */
.guide-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:48px;align-items:start;}
.guide-left h2{font-size:28px;font-weight:800;line-height:1.4;margin-bottom:14px;}
.guide-left p{font-size:15px;color:var(--plum-soft);line-height:1.85;}
.guide-tag{display:inline-flex;padding:6px 14px;border-radius:var(--radius-pill);background:var(--apricot);color:var(--coral-deep);font-size:12.5px;font-weight:700;margin-bottom:16px;}
.prose-cn p{font-size:16.5px;line-height:1.85;color:#463553;margin-bottom:18px;}
.prose-cn p:last-child{margin-bottom:0;}
.prose-cn strong{color:var(--plum);font-weight:700;}

/* ============ Topics ============ */
.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.topic-card{
  display:flex;flex-direction:column;justify-content:space-between;min-height:190px;
  background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(242,84,95,.24);}
.topic-num{font-size:13px;font-weight:800;color:var(--coral);letter-spacing:.08em;}
.topic-card h3{font-size:17.5px;font-weight:800;line-height:1.5;margin:12px 0 8px;}
.topic-card p{font-size:14px;color:var(--plum-soft);line-height:1.78;}

/* ============ Steps ============ */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;position:relative;}
.step{background:var(--white);border-radius:var(--radius-card);border:1px solid var(--line-soft);padding:26px 24px;box-shadow:var(--shadow-1);}
.step-dot{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;
  background:var(--apricot);color:var(--coral-deep);font-weight:800;font-size:15px;margin-bottom:16px;
  border:1px solid rgba(242,84,95,.22);
}
.step h3{font-size:18px;font-weight:800;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--plum-soft);line-height:1.8;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.faq-item{
  background:var(--white);border:1px solid var(--line-soft);border-radius:14px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1);
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.faq-item:hover{border-color:rgba(242,84,95,.22);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:17px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--plum);line-height:1.6;
}
.faq-q:hover{color:var(--coral-deep);}
.faq-icon{flex:0 0 auto;transition:transform 240ms var(--ease);color:var(--coral);}
.faq-item.open .faq-icon{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms var(--ease);}
.faq-a-inner{padding:0 22px 18px;font-size:15px;line-height:1.85;color:var(--plum-soft);}

/* ============ Recommend ============ */
.rec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.rec-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--white);border:1px solid var(--line-soft);border-radius:14px;
  padding:16px 18px;font-size:15px;font-weight:600;line-height:1.6;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
}
.rec-item:hover{color:var(--coral-deep);transform:translateY(-2px);box-shadow:var(--shadow-1);border-color:rgba(242,84,95,.24);}
.rec-date{flex:0 0 auto;font-size:12.5px;font-weight:500;color:var(--plum-soft);}

/* ============ Download bar ============ */
.download-bar{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  background:linear-gradient(135deg,rgba(255,237,228,.95),rgba(255,247,243,.95));
  border:1px solid rgba(242,84,95,.16);border-radius:var(--radius-card);
  padding:28px 30px;box-shadow:var(--shadow-1);
}
.download-bar h2{font-size:22px;font-weight:800;margin-bottom:6px;line-height:1.4;}
.download-bar p{font-size:14.5px;color:var(--plum-soft);}
.dl-links{display:flex;gap:12px;flex-wrap:wrap;}
.dl-links a{
  display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:11px 20px;
  border-radius:var(--radius-pill);background:var(--white);border:1px solid rgba(53,38,63,.16);
  font-size:14px;font-weight:600;transition:background 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease);
}
.dl-links a:hover{background:var(--coral);border-color:var(--coral);color:#fff;transform:translateY(-1px);}

/* ============ Footer ============ */
.site-footer{background:var(--plum);color:#E9DFF0;padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-logo{font-size:20px;font-weight:800;color:#fff;margin-bottom:12px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(233,223,240,.78);}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#E9DFF0;transition:color 200ms var(--ease);}
.footer-col a:hover{color:var(--honey);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(233,223,240,.15);
  font-size:13px;color:rgba(233,223,240,.7);
}

/* ============ Responsive ============ */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .section-title{font-size:27px;}
  .cat-hero{padding:34px 0 40px;}
  .guide-grid{grid-template-columns:1fr;gap:26px;}
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .post-grid{grid-template-columns:1fr;gap:20px;}
  .rec-grid{grid-template-columns:1fr;}
  .cat-hero-inner{flex-direction:column;align-items:flex-start;}
  .cat-hero::before{display:none;}
}
@media (max-width:639px){
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .section-title{font-size:23px;}
  .section-desc{font-size:15px;}
  .nav-cat{display:none;}
  .logo-text{font-size:16px;}
  .nav-cta{padding:10px 18px;font-size:14px;}
  .cat-hero h1{font-size:26px;}
  .cat-hero-sub{font-size:15px;}
  .topic-grid{grid-template-columns:1fr;}
  .download-bar{padding:22px 20px;}
  .dl-links{width:100%;}
  .dl-links a{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{font-size:12.5px;}
  .post-body{padding:18px 18px 20px;}
  .guide-left h2{font-size:23px;}
}