#portfolio-feed-ad{
      --paper: #f4f1eb;
      --paper-soft: #ebe8e1;
      --ink: #202a2d;
      --muted: #6f706c;
      --line: rgba(32, 42, 45, .16);
      --teal: #2d7d7b;
      --teal-soft: #d9e8e4;
      --coral: #bd6659;
      --gold: #b38748;
      --side: var(--portfolio-gutter);
      --content: var(--portfolio-content-max);
    }

    #portfolio-feed-ad{ scroll-behavior: smooth; background: var(--paper); }

    #portfolio-feed-ad{
      min-width: 320px;
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
      letter-spacing: 0;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

    #portfolio-feed-ad a{ color: inherit; text-decoration: none; }
    #portfolio-feed-ad button{ font: inherit; }
    #portfolio-feed-ad img, #portfolio-feed-ad video{ display: block; max-width: 100%; }
    #portfolio-feed-ad button:focus-visible, #portfolio-feed-ad a:focus-visible{ outline: 2px solid var(--teal); outline-offset: 4px; }

    #portfolio-feed-ad .shell{ min-height: 100vh; padding-bottom: 100px; }

    #portfolio-feed-ad .content{ width: min(var(--content), calc(100% - (var(--side) * 2))); margin: 0 auto; }

    #portfolio-feed-ad .eyebrow, #portfolio-feed-ad .section-index, #portfolio-feed-ad .project-number, #portfolio-feed-ad .project-code, #portfolio-feed-ad .metric-label, #portfolio-feed-ad .evidence-label{
      font-size: 10px;
      font-weight: 900;
      letter-spacing: .11em;
      line-height: 1.25;
      text-transform: uppercase;
    }

    #portfolio-feed-ad .eyebrow, #portfolio-feed-ad .section-index, #portfolio-feed-ad .project-number, #portfolio-feed-ad .project-code, #portfolio-feed-ad .evidence-label{ color: var(--muted); }

    #portfolio-feed-ad .hero{
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
      gap: clamp(32px, 5vw, 64px);
      align-items: end;
      min-height: min(470px, 100svh);
      padding: clamp(64px, 7vw, 92px) 0 70px;
    }

    #portfolio-feed-ad .hero-copy{ max-width: 720px; }

    #portfolio-feed-ad .hero .eyebrow{ display: flex; align-items: center; gap: 10px; color: var(--teal); }
    #portfolio-feed-ad .hero .eyebrow::before{ width: 30px; height: 2px; content: ""; background: var(--coral); }

    #portfolio-feed-ad .hero h1{
      max-width: 680px;
      margin: 23px 0 21px;
      color: var(--ink);
      font-size: clamp(40px, 5.4vw, 72px);
      font-weight: 900;
      line-height: 1.08;
    }

    #portfolio-feed-ad .hero-line{ display: block; }
    #portfolio-feed-ad .hero h1 em{ color: var(--teal); font-style: normal; }

    #portfolio-feed-ad .hero-lede{
      max-width: 470px;
      margin: 0;
      color: var(--muted);
      font-size: clamp(15px, 1.45vw, 18px);
      font-weight: 500;
      line-height: 1.8;
    }

    #portfolio-feed-ad .hero-results{
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    #portfolio-feed-ad .result{
      display: grid;
      gap: 9px;
      min-width: 0;
      padding: 17px 15px 18px 0;
      border-right: 1px solid var(--line);
    }

    #portfolio-feed-ad .result + .result{ padding-left: 15px; }
    #portfolio-feed-ad .result:last-child{ border-right: 0; }
    #portfolio-feed-ad .result strong{ color: var(--ink); font-size: clamp(24px, 2.65vw, 38px); font-weight: 900; line-height: .95; white-space: nowrap; }
    #portfolio-feed-ad .result:nth-child(2) strong{ color: var(--teal); }
    #portfolio-feed-ad .result:nth-child(3) strong{ color: var(--coral); }
    #portfolio-feed-ad .result span{ color: var(--muted); font-size: 11px; font-weight: 700; line-height: 1.45; }

    #portfolio-feed-ad .project-nav{
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    #portfolio-feed-ad .project-nav a{
      display: grid;
      grid-template-columns: minmax(84px, .32fr) minmax(0, .68fr);
      align-items: center;
      gap: 16px;
      min-height: 82px;
      padding: 15px 20px 15px 0;
      border-right: 1px solid var(--line);
      transition: color 180ms ease, padding-left 180ms ease;
    }

    #portfolio-feed-ad .project-nav a + a{ padding-left: 20px; border-right: 0; }
    #portfolio-feed-ad .project-nav a:hover{ padding-left: 8px; color: var(--teal); }
    #portfolio-feed-ad .project-nav a + a:hover{ padding-left: 28px; }
    #portfolio-feed-ad .project-nav a{
      transition: color 180ms ease, transform 220ms cubic-bezier(.16, 1, .3, 1);
    }
    #portfolio-feed-ad .project-nav a:hover,
    #portfolio-feed-ad .project-nav a:focus-visible{ padding-left: 0; transform: translateX(6px); }
    #portfolio-feed-ad .project-nav a + a:hover,
    #portfolio-feed-ad .project-nav a + a:focus-visible{ padding-left: 20px; transform: translateX(6px); }
    #portfolio-feed-ad .project-nav strong{ min-width: 0; font-size: 15px; font-weight: 700; line-height: 1.35; }
    #portfolio-feed-ad .project-nav span{ color: var(--muted); font-size: 10px; font-weight: 900; letter-spacing: .08em; line-height: 1.35; }

    #portfolio-feed-ad .method-strip{
      display: grid;
      grid-template-columns: minmax(150px, .34fr) minmax(0, 1.66fr);
      gap: 28px;
      padding: clamp(62px, 8vw, 110px) 0 clamp(70px, 9vw, 124px);
    }

    #portfolio-feed-ad .method-heading h2{ margin: 12px 0 0; font-size: clamp(25px, 3.4vw, 46px); font-weight: 900; line-height: 1.16; }
    #portfolio-feed-ad .method-heading h2 em{ color: var(--teal); font-style: normal; }

    #portfolio-feed-ad .method-list{
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    #portfolio-feed-ad .method-item{
      display: grid;
      align-content: start;
      gap: 11px;
      min-width: 0;
      padding: 17px 17px 19px 0;
      border-right: 1px solid var(--line);
    }

    #portfolio-feed-ad .method-item + .method-item{ padding-left: 17px; }
    #portfolio-feed-ad .method-item:last-child{ border-right: 0; }
    #portfolio-feed-ad .method-item:nth-child(1) .method-index{ color: var(--coral); }
    #portfolio-feed-ad .method-item:nth-child(2) .method-index{ color: var(--teal); }
    #portfolio-feed-ad .method-item:nth-child(3) .method-index{ color: var(--gold); }
    #portfolio-feed-ad .method-index{ font-size: 13px; font-weight: 900; }
    #portfolio-feed-ad .method-item h3{ margin: 0; font-size: 15px; font-weight: 900; line-height: 1.35; }
    #portfolio-feed-ad .method-item p{ margin: 0; color: var(--muted); font-size: 12px; font-weight: 500; line-height: 1.7; }

    #portfolio-feed-ad .project{ padding-top: clamp(62px, 7vw, 96px); border-top: 1px solid var(--line); }

    #portfolio-feed-ad .project-head{
      display: grid;
      grid-template-columns: minmax(0, .58fr) minmax(280px, .42fr);
      gap: clamp(28px, 4vw, 54px);
      align-items: start;
      padding-bottom: 22px;
    }

    #portfolio-feed-ad .project-title{ display: flex; align-items: baseline; flex-wrap: wrap; gap: 10px 14px; margin: 0; }
    #portfolio-feed-ad .project-title h2{ margin: 0; font-size: clamp(35px, 5vw, 66px); font-weight: 900; line-height: 1; }
    #portfolio-feed-ad .project-title small{ color: var(--teal); font-size: 14px; font-weight: 700; }
    #portfolio-feed-ad .project-summary{ display: grid; gap: 8px; max-width: none; margin: 5px 0 0; color: var(--muted); font-size: 12px; font-weight: 500; line-height: 1.65; text-align: left; }
    #portfolio-feed-ad .project-summary strong{ color: var(--teal); font-size: 16px; font-weight: 900; line-height: 1.2; }
    #portfolio-feed-ad .project-summary span{ display: block; }

    #portfolio-feed-ad .project-main{
      display: grid;
      grid-template-columns: minmax(260px, .44fr) minmax(0, .56fr);
      gap: clamp(48px, 5.5vw, 82px);
      align-items: start;
      padding: 28px 0 clamp(46px, 5vw, 70px);
    }

    #portfolio-feed-ad .project-video{ position: sticky; top: 32px; align-self: start; display: grid; justify-items: center; gap: 14px; }

    #portfolio-feed-ad .phone{
      position: relative;
      width: min(100%, 294px);
      aspect-ratio: 9 / 17.9;
      padding: 10px;
      overflow: hidden;
      border: 3px solid #1a2022;
      border-radius: 14% / 7%;
      background: #1a2022;
      box-shadow: 11px 15px 0 rgba(32, 42, 45, .1), 0 20px 38px rgba(32, 42, 45, .14);
    }

    #portfolio-feed-ad .phone::before{ position: absolute; z-index: 2; top: 5px; left: 50%; width: 24%; height: 12px; content: ""; border-radius: 0 0 8px 8px; background: #1a2022; transform: translateX(-50%); }
    #portfolio-feed-ad .phone::after{ position: absolute; z-index: 2; right: 10px; bottom: 7px; left: 10px; height: 3px; content: ""; border-radius: 3px; background: rgba(255,255,255,.7); }
    #portfolio-feed-ad .phone video{ width: 100%; height: 100%; object-fit: cover; border-radius: 9% / 5%; background: #050505; cursor: pointer; }

    #portfolio-feed-ad .video-control{
      display: inline-grid;
      grid-template-columns: 17px auto;
      gap: 7px;
      align-items: center;
      min-height: 32px;
      padding: 7px 12px 7px 9px;
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--ink);
      background: transparent;
      cursor: pointer;
      font-size: 11px;
      font-weight: 700;
      transition: color 180ms ease, background 180ms ease, transform 180ms ease;
    }

    #portfolio-feed-ad .video-control:hover{ color: #fff; background: var(--ink); transform: translateY(-2px); }
    #portfolio-feed-ad .video-icon{ display: grid; width: 16px; height: 16px; place-items: center; font-size: 10px; font-weight: 900; line-height: 1; }
    #portfolio-feed-ad .video-caption{ max-width: 250px; margin: 0; color: var(--muted); font-size: 11px; font-weight: 500; line-height: 1.55; text-align: center; }

    #portfolio-feed-ad .project-copy{ align-self: start; display: grid; align-content: start; padding-top: 5px; }
    #portfolio-feed-ad .project-code{ color: var(--teal); }
    #portfolio-feed-ad .project-copy h3{ max-width: 560px; margin: 15px 0 18px; font-size: clamp(29px, 4vw, 53px); font-weight: 900; line-height: 1.12; }
    #portfolio-feed-ad .project-copy h3 em{ color: var(--teal); font-style: normal; }
    #portfolio-feed-ad .project-copy > p{ max-width: 560px; margin: 0 0 25px; color: var(--muted); font-size: 14px; font-weight: 500; line-height: 1.8; }

    #portfolio-feed-ad .decision-box{ display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 16px; margin-bottom: 22px; padding: 15px 0 15px 16px; border-left: 3px solid var(--coral); }
    #portfolio-feed-ad .decision-box strong{ color: var(--coral); font-size: 17px; font-weight: 900; line-height: 1.3; }
    #portfolio-feed-ad .decision-box p{ margin: 0; color: var(--muted); font-size: 12px; font-weight: 500; line-height: 1.7; }

    #portfolio-feed-ad .metrics{ display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    #portfolio-feed-ad .metric{ display: grid; gap: 8px; min-width: 0; padding: 14px 12px 15px 0; border-right: 1px solid var(--line); }
    #portfolio-feed-ad .metric + .metric{ padding-left: 12px; }
    #portfolio-feed-ad .metric:nth-child(5){ border-right: 0; }
    #portfolio-feed-ad .metric strong{ font-size: clamp(17px, 1.9vw, 26px); font-weight: 900; line-height: 1; }
    #portfolio-feed-ad .metric span{ color: var(--muted); font-size: 10px; font-weight: 700; line-height: 1.35; }
    #portfolio-feed-ad .metric.accent strong{ color: var(--teal); }
    #portfolio-feed-ad .metric.role{ grid-column: 1 / -1; border-top: 1px solid var(--line); border-right: 0; background: var(--teal-soft); }
    #portfolio-feed-ad .metric.role strong{ color: var(--teal); font-size: 10px; letter-spacing: .04em; line-height: 1.3; }
    #portfolio-feed-ad .metric.role span{ line-height: 1.5; }
    #portfolio-feed-ad .role-list{ display: flex; flex-wrap: wrap; gap: 5px; }
    #portfolio-feed-ad .role-list i{ padding: 4px 6px; border: 1px solid rgba(45, 125, 123, .3); border-radius: 3px; color: var(--teal); background: rgba(255,255,255,.34); font-size: 10px; font-style: normal; font-weight: 700; line-height: 1; }

    #portfolio-feed-ad .info-cards{ display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: clamp(18px, 2vw, 26px); }
    #portfolio-feed-ad .info-card{ display: grid; align-content: start; gap: 8px; padding: 16px; border: 1px solid var(--line); border-radius: 6px; background: rgba(255,255,255,.34); box-shadow: 0 8px 20px rgba(32, 42, 45, .06); transition: transform 220ms ease, box-shadow 220ms ease; }
    #portfolio-feed-ad .info-card:hover{ transform: translateY(-3px); box-shadow: 0 12px 30px rgba(32, 42, 45, .08); }
    #portfolio-feed-ad .info-card--decision{ grid-column: 1 / -1; border-left: 3px solid var(--coral); }
    #portfolio-feed-ad .info-card--roles{ grid-column: 1 / -1; }
    #portfolio-feed-ad .info-card-label{ color: var(--muted); font-family: var(--font-num); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
    #portfolio-feed-ad .info-card-title{ margin: 0; font-size: 15px; font-weight: 900; line-height: 1.35; }
    #portfolio-feed-ad .info-card--decision .info-card-title{ color: var(--coral); }
    #portfolio-feed-ad .info-card-text{ margin: 0; color: var(--muted); font-size: 12px; font-weight: 500; line-height: 1.7; }

    #portfolio-feed-ad .evidence{ display: grid; gap: 18px; padding-top: 20px; border-top: 1px solid var(--line); }
    #portfolio-feed-ad .evidence-head{ display: flex; align-items: center; justify-content: space-between; gap: 18px; }
    #portfolio-feed-ad .evidence-head h3{ margin: 0; font-size: 15px; font-weight: 700; }
    #portfolio-feed-ad .evidence-head p{ margin: 0; color: var(--muted); font-size: 11px; font-weight: 500; }
    #portfolio-feed-ad .evidence-grid{ display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(10px, 2vw, 22px); }
    #portfolio-feed-ad .evidence-grid.order-proof{ grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(10px, 2vw, 22px); align-items: start; }
    #portfolio-feed-ad .evidence-grid.order-proof > .evidence-top{ display: grid; grid-column: 1 / -1; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: inherit; }
    #portfolio-feed-ad .evidence-card{ display: grid; gap: 8px; min-width: 0; border: 1px solid var(--line); border-radius: 6px; padding: 10px 10px 11px; background: rgba(255,255,255,.34); box-shadow: 0 8px 20px rgba(32, 42, 45, .06); }
    #portfolio-feed-ad .evidence-card.full{ grid-column: 1 / -1; }
    #portfolio-feed-ad .evidence-card img{ display: block; width: auto; max-width: 100%; height: 420px; object-fit: contain; object-position: top center; margin: 0 auto; }
    #portfolio-feed-ad .evidence-card.full img{ width: 100%; height: auto; max-height: none; margin: 0; }
    #portfolio-feed-ad .evidence-grid.order-proof > .evidence-top .evidence-card img{ height: 420px; }
    #portfolio-feed-ad .evidence-label{ color: var(--muted); font-size: 9px; letter-spacing: .06em; }
    #portfolio-feed-ad .evidence-note{ display: flex; justify-content: space-between; gap: 18px; color: var(--muted); font-size: 11px; font-weight: 500; line-height: 1.5; }
    #portfolio-feed-ad .evidence-note strong{ color: var(--teal); font-weight: 700; }

    #portfolio-feed-ad .footer{ display: flex; justify-content: space-between; gap: 20px; margin-top: clamp(90px, 12vw, 160px); padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .08em; }

    @media (max-width: 820px){
      #portfolio-feed-ad .hero{ grid-template-columns: 1fr; min-height: 0; }
      #portfolio-feed-ad .hero-results{ margin-top: 10px; }
      #portfolio-feed-ad .method-strip{ grid-template-columns: 1fr; gap: 22px; }
      #portfolio-feed-ad .project-head{ grid-template-columns: 1fr; gap: 14px; }
      #portfolio-feed-ad .project-summary{ margin-left: 0; text-align: left; }
      #portfolio-feed-ad .project-summary strong{ font-size: 15px; }
      #portfolio-feed-ad .project-main{ grid-template-columns: minmax(210px, .42fr) minmax(0, .58fr); gap: 28px; }
      #portfolio-feed-ad .project-video{ position: static; }
      #portfolio-feed-ad .info-cards{ grid-template-columns: 1fr; }
      #portfolio-feed-ad .metrics{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
      #portfolio-feed-ad .metric strong{ font-size: clamp(18px, 3vw, 22px); }
      #portfolio-feed-ad .metric:nth-child(3){ border-right: 0; }
      #portfolio-feed-ad .metric:nth-child(n + 4){ border-top: 1px solid var(--line); }
      #portfolio-feed-ad .evidence-grid.order-proof{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }

    @media (max-width: 560px){
      #portfolio-feed-ad .hero{ padding: 64px 0 65px; }
      #portfolio-feed-ad .hero h1{ font-size: clamp(36px, 11vw, 52px); }
      #portfolio-feed-ad .hero-lede{ font-size: 14px; }
      #portfolio-feed-ad .hero-results{ grid-template-columns: 1fr; }
      #portfolio-feed-ad .result, #portfolio-feed-ad .result + .result{ padding: 14px 0; border-right: 0; border-bottom: 1px solid var(--line); }
      #portfolio-feed-ad .result:last-child{ border-bottom: 0; }
      #portfolio-feed-ad .result strong{ font-size: 31px; }
      #portfolio-feed-ad .project-nav{ grid-template-columns: 1fr; }
      #portfolio-feed-ad .project-nav a,
      #portfolio-feed-ad .project-nav a + a{
        grid-template-columns: 78px minmax(0, 1fr);
        min-height: 72px;
        padding: 14px 0;
        border-right: 0;
      }
      #portfolio-feed-ad .project-nav a + a{ border-top: 1px solid var(--line); }
      #portfolio-feed-ad .project-nav a:hover,
      #portfolio-feed-ad .project-nav a + a:hover{ padding-left: 6px; }
      #portfolio-feed-ad .project-nav strong{ font-size: 13px; line-height: 1.35; }
      #portfolio-feed-ad .method-list{ grid-template-columns: 1fr; }
      #portfolio-feed-ad .method-item, #portfolio-feed-ad .method-item + .method-item{ padding: 15px 0; border-right: 0; border-bottom: 1px solid var(--line); }
      #portfolio-feed-ad .method-item:last-child{ border-bottom: 0; }
      #portfolio-feed-ad .project{ padding-top: 56px; }
      #portfolio-feed-ad .project-head{ gap: 12px; padding-bottom: 18px; }
      #portfolio-feed-ad .project-title{ gap: 8px 11px; }
      #portfolio-feed-ad .project-title h2{ font-size: 41px; }
      #portfolio-feed-ad .project-title small{ font-size: 12px; }
      #portfolio-feed-ad .project-main{ grid-template-columns: 1fr; gap: 34px; padding-top: 24px; }
      #portfolio-feed-ad .project-video{ position: static; justify-items: start; }
      #portfolio-feed-ad .info-cards{ grid-template-columns: 1fr; }
      #portfolio-feed-ad .phone{ width: min(74vw, 276px); margin-left: 4px; }
      #portfolio-feed-ad .video-caption{ text-align: left; }
      #portfolio-feed-ad .project-copy h3{ font-size: clamp(30px, 9vw, 44px); }
      #portfolio-feed-ad .decision-box{ grid-template-columns: 84px minmax(0, 1fr); gap: 12px; margin-bottom: 18px; padding-left: 12px; }
      #portfolio-feed-ad .metrics{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
      #portfolio-feed-ad .metric{ padding: 12px 8px; }
      #portfolio-feed-ad .metric + .metric{ padding-left: 8px; }
      #portfolio-feed-ad .metric strong{ font-size: 19px; }
      #portfolio-feed-ad .metric:nth-child(2), #portfolio-feed-ad .metric:nth-child(4), #portfolio-feed-ad .metric:nth-child(5){ border-right: 0; }
      #portfolio-feed-ad .metric:nth-child(1), #portfolio-feed-ad .metric:nth-child(3){ border-right: 1px solid var(--line); }
      #portfolio-feed-ad .metric:nth-child(n + 3){ border-top: 1px solid var(--line); }
      #portfolio-feed-ad .metric.role{ grid-column: 1 / -1; }
      #portfolio-feed-ad .evidence-grid, #portfolio-feed-ad .evidence-grid.order-proof{ grid-template-columns: 1fr; }
      #portfolio-feed-ad .evidence-grid.order-proof > .evidence-top{ grid-template-columns: 1fr; }
      #portfolio-feed-ad .evidence-card img{ height: 360px; }
      #portfolio-feed-ad .evidence-grid.order-proof > .evidence-top .evidence-card img{ height: auto; max-height: 420px; }
      #portfolio-feed-ad .evidence-card.full img{ width: 100%; height: auto; }
      #portfolio-feed-ad .evidence-note{ display: grid; gap: 5px; }
      #portfolio-feed-ad .footer{ display: grid; gap: 8px; }
    }

    @media (prefers-reduced-motion: reduce){
      #portfolio-feed-ad *, #portfolio-feed-ad *::before, #portfolio-feed-ad *::after{ scroll-behavior: auto !important; transition-duration: .01ms !important; }
    }

    #portfolio-feed-ad .video-control:active,
    #portfolio-feed-ad .project-nav a:active{ transform: translateY(1px) scale(.985); }

    #portfolio-feed-ad .phone,
    #portfolio-feed-ad .evidence-card img{
      transition: transform 360ms cubic-bezier(.16, 1, .3, 1), filter 260ms ease;
    }

    #portfolio-feed-ad .project-video:hover .phone,
    #portfolio-feed-ad .project-video:focus-within .phone{ transform: translateY(-3px); }
    #portfolio-feed-ad .evidence-card:hover img,
    #portfolio-feed-ad .evidence-card:focus-within img{ transform: scale(1.02); filter: brightness(1.03); }