/* 深度线上分享会：克制阴影、深蓝主色、清晰层级（与 contact.html 同步；各页共用） */
        .masterclass-banner {
            width: 100%;
            margin-top: 20px;
            padding: 22px 12px 32px;
            background: transparent;
            position: relative;
            overflow: hidden;
        }
        .masterclass-banner::before,
        .masterclass-banner::after {
            content: none;
        }
        /* 仅作居中包裹，不要边框/底色（真正卡片只用 .mc-poster） */
        .masterclass-banner__inner {
            width: min(92%, 960px);
            max-width: 960px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 min(12px, 3vw);
            border-radius: 0;
            border: 0;
            background: transparent;
            box-shadow: none;
        }
        .masterclass-banner__inner::before {
            content: none;
        }

        .mc-headline {
            display: flex;
            align-items: center;
            justify-content: flex-start;
            gap: 4px 10px;
            flex-wrap: wrap;
            margin: calc(2px + 4mm) 0 8px;
            position: relative;
            padding-right: 0;
            padding-left: 42%;
        }
        .mc-title {
            margin: 0;
            flex: 0 1 auto;
            text-align: left;
            padding-left: 0;
            transform: none;
            font-size: clamp(1.35rem, 3.6vw, 2.05rem);
            font-weight: 750;
            letter-spacing: 0.01em;
            color: #0f172a;
            white-space: nowrap;
            text-shadow: none;
        }
        .mc-title .mc-title-kicker {
            font-size: clamp(1.7rem, 3.4vw, 2.45rem);
            color: #111;
            margin-right: 10px;
            white-space: nowrap;
        }
        .mc-title .mc-title-main {
            font-family: 'Ma Shan Zheng', 'STKaiti', 'KaiTi', 'Noto Serif SC', serif;
            font-size: clamp(2.15rem, 5vw, 4rem);
            color: #101010;
            white-space: nowrap;
        }
        .mc-title-gold {
            background: linear-gradient(180deg, #c9a227 0%, #a67c2d 42%, #8b6914 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            filter: none;
        }
        .mc-title-rest {
            color: #0a2342;
            font-weight: 1000;
            background: none;
            -webkit-background-clip: unset;
            background-clip: unset;
        }
        .mc-title.mc-title--session {
            white-space: normal;
        }
        .mc-title-gold--full {
            white-space: normal;
            letter-spacing: 0.06em;
        }
        .mc-title.mc-title--session .mc-title-gold.mc-title-gold--full {
            background: none;
            -webkit-background-clip: unset;
            background-clip: unset;
            color: #0a0a0a;
            filter: none;
        }
        .mc-title.mc-title--session {
            font-family: 'Noto Serif SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', serif;
            font-weight: 700;
            font-size: clamp(1.08rem, 2.85vw, 1.65rem);
        }
        .mc-session-pill {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 8px 18px;
            border-radius: 14px;
            background: linear-gradient(180deg, #ffe98f 0%, #ffd84f 48%, #ffc928 100%);
            color: #1f2937;
            border: 1px solid rgba(162, 108, 0, 0.26);
            box-shadow:
                0 6px 14px rgba(180, 120, 0, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.62);
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: clamp(1rem, 2.1vw, 1.3rem);
            font-weight: 900;
            letter-spacing: 0.02em;
            line-height: 1.1;
            white-space: nowrap;
        }
        .mc-session-pill__sep {
            opacity: 0.7;
            font-weight: 700;
        }
        .mc-poster {
            width: min(100%, 700px);
            margin: 0 auto;
            border-radius: 22px;
            overflow: hidden;
            background:
                radial-gradient(circle at 14% 10%, rgba(255, 255, 255, 0.78) 0%, rgba(255, 255, 255, 0) 36%),
                radial-gradient(circle at 92% 28%, rgba(255, 255, 255, 0.72) 0%, rgba(255, 255, 255, 0) 40%),
                linear-gradient(180deg, #eef7ff 0%, #dff0ff 45%, #eaf5ff 100%);
            border: 1px solid rgba(148, 186, 220, 0.45);
            box-shadow: 0 14px 36px rgba(15, 23, 42, 0.16);
            padding: clamp(16px, 2.4vw, 24px);
            color: #0f2742;
        }
        .mc-poster__top-pill,
        .mc-poster__headline-top,
        .mc-poster__headline-main,
        .mc-poster__subline {
            position: relative;
            z-index: 6;
        }
        .mc-poster__top-pill {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin: 0 auto 12px;
            padding: 8px 14px;
            border-radius: 12px;
            background: linear-gradient(180deg, #ffe989 0%, #ffd54b 55%, #ffca2b 100%);
            font-weight: 900;
            font-size: clamp(0.88rem, 2vw, 1.15rem);
            color: #1f2937;
            border: 1px solid rgba(152, 104, 0, 0.24);
        }
        .mc-poster__headline-top {
            margin: 0;
            text-align: center;
            font-size: clamp(1.95rem, 6.3vw, 3.2rem);
            line-height: 1.05;
            font-weight: 1000;
            color: #0f2742;
        }
        .mc-poster__headline-main {
            margin: 2px 0 8px;
            text-align: center;
            font-size: clamp(2.7rem, 9vw, 4.8rem);
            line-height: 1.02;
            font-weight: 1000;
            color: #0a7f4d;
            letter-spacing: 0.01em;
        }
        .mc-poster__subline {
            margin: 0 0 14px;
            text-align: center;
            font-weight: 900;
            color: #1e3a5f;
            font-size: clamp(1.05rem, 2.6vw, 1.66rem);
        }
        .mc-poster__mid {
            display: grid;
            grid-template-columns: minmax(150px, 220px) 1fr;
            gap: 12px;
            align-items: end;
        }
        .mc-poster__doctor-wrap {
            position: relative;
            width: 100%;
            max-width: 250px;
            justify-self: center;
            z-index: 2;
        }
        .mc-poster__doctor {
            width: 100%;
            max-width: 350px;
            object-fit: contain;
            transform: scale(2.625);
            transform-origin: bottom center;
            display: block;
        }
        .mc-poster__doctor-meta {
            position: absolute;
            left: 50%;
            bottom: 8px;
            transform: translateX(-50%);
            width: 220px;
            border-radius: 10px;
            overflow: hidden;
            background: #ffffff;
            border: 1px solid rgba(30, 64, 175, 0.2);
            box-shadow: 0 8px 20px rgba(15, 23, 42, 0.22);
        }
        .mc-poster__doctor-meta-title {
            margin: 0;
            background: linear-gradient(90deg, #1d4ed8 0%, #2563eb 100%);
            color: #fff;
            padding: 6px 10px;
            font-size: 0.95rem;
            line-height: 1.2;
            font-weight: 900;
            text-align: left;
        }
        .mc-poster__doctor-meta-list {
            list-style: none;
            margin: 0;
            padding: 8px 10px 10px;
            display: grid;
            gap: 6px;
        }
        .mc-poster__doctor-meta-list li {
            display: flex;
            align-items: center;
            gap: 6px;
            color: #1e3a8a;
            font-weight: 900;
            font-size: 0.85rem;
            line-height: 1.25;
            text-align: left;
        }
        .mc-poster__doctor-meta-list li > i {
            width: 1.1em;
            flex-shrink: 0;
            text-align: center;
            color: #2563eb;
            font-size: 0.88rem;
            line-height: 1.2;
        }
        .mc-poster__col {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .mc-poster__box {
            background: rgba(255, 255, 255, 0.84);
            border: 1px solid rgba(160, 196, 232, 0.6);
            border-radius: 16px;
            padding: 10px 12px;
        }
        .mc-poster__box ul {
            margin: 0;
            padding: 0;
            list-style: none;
            display: grid;
            gap: 8px;
        }
        .mc-poster__box li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 900;
            font-size: clamp(0.95rem, 2.2vw, 1.28rem);
            color: #16385f;
        }
        /* 讲座列表：渐变底 + 白色实心图形（仅图标区） */
        .mc-poster__li-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: inline-grid;
            place-items: center;
            flex-shrink: 0;
            line-height: 0;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.22);
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.14);
        }
        .mc-poster__li-icon svg {
            width: 20px;
            height: 20px;
            display: block;
        }
        .mc-poster__li-icon > i {
            font-size: 1.05rem;
            line-height: 1;
            display: block;
        }
        .mc-poster__li-icon--chart {
            background: linear-gradient(155deg, #60a5fa 0%, #2563eb 48%, #1e3a8a 100%);
        }
        .mc-poster__li-icon--nodes {
            background: linear-gradient(155deg, #4ade80 0%, #16a34a 50%, #14532d 100%);
        }
        .mc-poster__li-icon--food {
            background: linear-gradient(155deg, #34d399 0%, #059669 50%, #064e3b 100%);
        }
        .mc-poster__li-icon--compass {
            background: linear-gradient(155deg, #fb923c 0%, #ea580c 52%, #9a3412 100%);
        }
        .mc-poster__li-icon--plate {
            background: linear-gradient(155deg, #2dd4bf 0%, #0d9488 50%, #134e4a 100%);
        }
        .mc-poster__li-icon--pills {
            background: linear-gradient(155deg, #93c5fd 0%, #2563eb 50%, #1e3a8a 100%);
        }
        .mc-poster__li-icon--science {
            background: linear-gradient(155deg, #fdba74 0%, #ea580c 50%, #7c2d12 100%);
        }
        /* 仅保留三张小白格，不要外围大框 */
        .mc-poster__box--pillars {
            background: transparent;
            border: none;
            box-shadow: none;
            padding: 0;
        }
        .mc-poster__box--pillars ul {
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 8px 6px;
            align-items: stretch;
        }
        .mc-poster__box--pillars li {
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            text-align: center;
            gap: 6px;
            font-size: clamp(0.72rem, 2.1vw, 1.05rem);
            line-height: 1.25;
            background: rgba(255, 255, 255, 0.95);
            border: 1px solid rgba(160, 196, 232, 0.75);
            border-radius: 14px;
            padding: 10px 6px 10px;
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
        }
        .mc-poster__box--pillars .mc-poster__li-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
        }
        .mc-poster__box--pillars .mc-poster__li-icon > i {
            font-size: 1.15rem;
        }
        .mc-poster__box--pillars .mc-poster__li-icon svg {
            width: 22px;
            height: 22px;
        }
        .mc-poster__section-title {
            margin: 0 0 8px;
            color: #1e3a8a;
            font-weight: 1000;
            font-size: clamp(1.05rem, 2.5vw, 1.5rem);
        }
        .mc-poster__case {
            margin: 10px 0 0;
            text-align: center;
            background: rgba(255,255,255,0.84);
            border: 1px solid rgba(160, 196, 232, 0.55);
            border-radius: 14px;
            font-size: clamp(1rem, 2.4vw, 1.45rem);
            font-weight: 950;
            padding: 10px 12px;
            color: #173257;
        }
        .mc-poster__cta-row {
            margin-top: 12px;
            display: grid;
            grid-template-columns: 1fr 2.2fr;
            gap: 10px;
        }
        .mc-poster__ending {
            border-radius: 14px;
            background: linear-gradient(180deg, #143b6e 0%, #0f2f58 100%);
            color: #fff;
            padding: 10px 8px;
            text-align: center;
            font-weight: 900;
            font-size: clamp(0.95rem, 2.1vw, 1.22rem);
        }
        .mc-poster__ending i {
            margin-right: 6px;
            font-size: 0.95em;
            color: #fbbf24;
        }
        .mc-poster__cta {
            border-radius: 14px;
            background: linear-gradient(180deg, #ffe989 0%, #ffd54b 55%, #ffc928 100%);
            color: #1f2937;
            border: 1px solid rgba(152, 104, 0, 0.24);
            text-align: center;
            padding: 10px 10px;
            font-weight: 1000;
            font-size: clamp(1.05rem, 2.45vw, 1.5rem);
            text-decoration: none;
            display: block;
        }
        .mc-poster__cta small {
            display: block;
            margin-top: 2px;
            font-size: clamp(0.75rem, 1.55vw, 0.92rem);
            font-weight: 800;
            color: rgba(31, 41, 55, 0.82);
            letter-spacing: 0.01em;
        }
        .mc-poster__foot {
            margin-top: 8px;
            text-align: center;
            color: #243b63;
            font-weight: 800;
            font-size: clamp(0.9rem, 1.9vw, 1.15rem);
        }
        .mc-burst {
            width: 62px;
            height: 62px;
            display: grid;
            place-items: center;
            position: relative;
            flex-shrink: 0;
            align-self: center;
            margin-left: 0;
            transform: rotate(10deg);
            background: linear-gradient(155deg, #fb7185 0%, #e11d48 42%, #be123c 68%, #9f1239 100%);
            box-shadow:
                0 10px 28px rgba(190, 18, 60, 0.32),
                0 2px 8px rgba(0, 0, 0, 0.14),
                inset 0 2px 0 rgba(255, 255, 255, 0.38),
                inset 0 -2px 6px rgba(0, 0, 0, 0.12);
            clip-path: polygon(50% 0%, 60% 10%, 76% 6%, 78% 22%, 94% 24%, 88% 38%, 100% 50%, 88% 62%, 94% 76%, 78% 78%, 76% 94%, 60% 90%, 50% 100%, 40% 90%, 24% 94%, 22% 78%, 6% 76%, 12% 62%, 0% 50%, 12% 38%, 6% 24%, 22% 22%, 24% 6%, 40% 10%);
            border: 1px solid rgba(255, 255, 255, 0.48);
        }
        .mc-burst::after {
            content: "";
            position: absolute;
            inset: -6px;
            background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.15), transparent 55%);
            filter: blur(2px);
            opacity: 0.6;
            pointer-events: none;
        }
        .mc-burst span {
            display: block;
            position: relative;
            z-index: 1;
            transform: rotate(-12deg);
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: clamp(0.96rem, 2.5vw, 1.08rem);
            line-height: 1;
            font-weight: 900;
            letter-spacing: 0.14em;
            color: #fffef8;
            text-shadow:
                0 1px 0 rgba(0, 0, 0, 0.45),
                0 2px 6px rgba(0, 0, 0, 0.32),
                0 0 20px rgba(255, 250, 235, 0.55);
        }
        .mc-host-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin: 2px 0 6px;
            flex-wrap: wrap;
        }
        .mc-host-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid #fff;
            box-shadow: 0 4px 14px rgba(10, 35, 66, 0.2);
        }
        .mc-host-badge {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            border-radius: 999px;
            background: linear-gradient(180deg, #2563eb 0%, #1d4ed8 100%);
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.04em;
            box-shadow: 0 2px 10px rgba(29, 78, 216, 0.22);
        }
        .mc-mainline {
            margin: 0 0 12px;
            font-size: 1.22rem;
            font-weight: 900;
            color: #1a1a1a;
        }
        .mc-subtitle {
            margin: 0 0 8px;
            font-size: 1.05rem;
            font-weight: 900;
            color: #111;
        }
        .mc-subdesc {
            margin: 0 0 22px;
            font-size: 0.98rem;
            font-weight: 700;
            color: #333;
        }

        .mc-promo-row {
            display: flex;
            flex-direction: row;
            align-items: flex-end;
            justify-content: flex-start;
            gap: clamp(8px, 1.6vw, 18px);
            margin: 2px 0 10px;
            text-align: left;
        }
        .mc-promo-row--hero {
            transform: translateX(5mm);
        }
        .mc-promo-text-stack {
            flex: 1 1 auto;
            min-width: 0;
            width: 100%;
            display: flex;
            flex-direction: column;
            align-items: stretch;
            text-align: left;
            position: relative;
        }
        .mc-promo-text-stack .mc-headline {
            padding-left: 0;
            margin: 0 0 6px;
            width: 100%;
            box-sizing: border-box;
        }
        .mc-promo-text-stack .mc-promo-slogan {
            padding-left: 0;
            padding-right: 0;
        }
        .mc-promo-text-stack .mc-promo-lead {
            padding-left: 0;
            padding-right: 0;
        }
        .mc-promo-portrait-wrap {
            flex: 0 0 auto;
            width: min(68%, 580px);
            max-width: 620px;
            margin-left: -14px;
            margin-right: 0;
            margin-bottom: -4px;
            position: relative;
            z-index: 1;
        }
        .mc-promo-row--hero .mc-promo-portrait-wrap {
            width: min(44%, 320px);
            max-width: 360px;
        }
        .mc-promo-portrait {
            width: 100%;
            height: auto;
            display: block;
            object-fit: contain;
            object-position: left bottom;
            transform: translateX(-25mm) scale(1.45);
            transform-origin: left bottom;
            filter: drop-shadow(0 4px 14px rgba(15, 23, 42, 0.08));
        }
        .mc-promo-aside {
            position: absolute;
            left: 56%;
            bottom: 20%;
            z-index: 4;
            display: flex;
            flex-direction: column;
            align-items: stretch;
            gap: 0;
            max-width: min(210px, 44vw);
            border-radius: 10px;
            overflow: hidden;
            background: #fff;
            border: 1px solid rgba(15, 23, 42, 0.08);
            box-shadow: 0 6px 20px rgba(15, 23, 42, 0.07);
        }
        .mc-host-badge--aside {
            margin: 0 !important;
            align-self: stretch;
            width: 100%;
            box-sizing: border-box;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 0 !important;
            padding: 6px 10px;
            font-size: 0.68rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            box-shadow: none !important;
            border: none;
        }
        .mc-cred-panel {
            margin-top: 0;
            background: #fafafa;
            border-radius: 0;
            padding: 8px 10px 10px;
            border: none;
            border-top: 1px solid rgba(15, 23, 42, 0.06);
            box-shadow: none;
        }
        .mc-cred-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
            text-align: left;
        }
        .mc-cred-list li {
            display: flex;
            align-items: center;
            gap: 7px;
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: clamp(0.64rem, 1.1vw, 0.74rem);
            font-weight: 500;
            color: #334155;
            line-height: 1.35;
            letter-spacing: 0.02em;
        }
        .mc-cred-tick {
            flex-shrink: 0;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            display: inline-grid;
            place-items: center;
            margin-top: 0;
            font-size: 6px;
            font-weight: 800;
            line-height: 1;
            color: #fff;
            background: #0f766e;
            box-shadow: none;
        }
        .mc-pill {
            margin: 0;
            display: inline-block;
            padding: 12px 24px;
            border-radius: 999px;
            background: #fff;
            color: #101010;
            font-weight: 850;
            font-size: clamp(1rem, 2.4vw, 1.4rem);
            box-shadow: 0 8px 18px rgba(0, 0, 0, 0.08);
            white-space: nowrap;
        }
        .mc-promo-lead {
            margin: 6px 0 4px;
            padding-left: 42%;
            padding-right: 0;
            text-align: left;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }
        .mc-promo-lead__share {
            margin: 0 0 6px;
            font-family: 'Noto Serif SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', serif;
            font-weight: 600;
            font-size: clamp(1.02rem, 2.1vw, 1.38rem);
            line-height: 1.45;
            color: #334155;
            letter-spacing: 0.02em;
        }
        .mc-promo-lead__ticks {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 6px clamp(12px, 2vw, 20px);
            align-items: center;
        }
        .mc-promo-lead__ticks li {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-weight: 650;
            font-size: clamp(0.95rem, 1.9vw, 1.22rem);
            color: #1e293b;
            letter-spacing: 0.02em;
        }
        .mc-promo-lead__tick {
            flex-shrink: 0;
            width: 17px;
            height: 17px;
            min-width: 17px;
            min-height: 17px;
            max-width: 17px;
            max-height: 17px;
            border-radius: 4px;
            display: inline-grid;
            place-items: center;
            font-size: 9px;
            font-weight: 800;
            line-height: 1;
            color: #fff;
            background: #059669;
            border: none;
            box-shadow: none;
            box-sizing: border-box;
        }
        .mc-promo-slogan {
            margin: 6px 0 0;
            padding-left: 42%;
            padding-right: 0;
            display: grid;
            grid-template-columns: auto auto;
            align-items: center;
            justify-items: start;
            column-gap: clamp(10px, 2vw, 22px);
            row-gap: 0;
            line-height: 1.22;
            letter-spacing: 0;
            color: #1e293b;
            text-shadow: none;
            width: 100%;
            box-sizing: border-box;
        }
        .mc-promo-slogan__kicker {
            margin-left: 0;
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-weight: 800;
            font-size: clamp(1.22rem, 3.15vw, 2.15rem);
            line-height: 1.2;
            white-space: nowrap;
            color: #1e293b;
        }
        .mc-promo-slogan__main {
            font-family: 'STXingkai', 'Xingkai SC', 'KaiTi', 'STKaiti', 'FangSong', 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: clamp(2.05rem, 6.1vw, 3.85rem);
            white-space: nowrap;
            align-self: center;
            transform: translateX(-5mm);
            color: transparent;
            background: linear-gradient(118deg, #047857 0%, #059669 26%, #10b981 52%, #22c55e 88%);
            -webkit-background-clip: text;
            background-clip: text;
            filter: drop-shadow(0 2px 12px rgba(16, 185, 129, 0.42));
        }
        .mc-promo-ribbon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 11px 30px 11px 28px;
            margin: 0;
            background: rgba(255, 255, 255, 0.98);
            border: 1px solid rgba(59, 130, 246, 0.28);
            box-shadow: 0 8px 20px rgba(10, 35, 66, 0.12);
            transform: skewX(-11deg);
        }
        .mc-promo-ribbon__text {
            font-family: 'Noto Serif SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', serif;
            font-weight: 900;
            font-style: normal;
            font-size: clamp(1.2rem, 3.1vw, 1.72rem);
            letter-spacing: 0.1em;
            color: #1d4ed8;
            transform: skewX(11deg);
            -webkit-font-smoothing: antialiased;
        }

        .mc-panels {
            margin-top: 4px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            text-align: left;
            align-items: stretch;
        }
        .mc-benefits {
            margin: 8px 0 0;
            padding: 0;
            list-style: none;
            display: flex;
            gap: clamp(10px, 2vw, 24px);
            flex-wrap: wrap;
            justify-content: flex-start;
        }
        .mc-benefits li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: clamp(1.2rem, 3vw, 1.9rem);
            font-weight: 900;
            color: #111;
            white-space: nowrap;
        }
        .mc-benefit-check {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: inline-grid;
            place-items: center;
            background: linear-gradient(180deg, #c9f4b9 0%, #8fe276 100%);
            border: 1px solid rgba(56, 130, 56, 0.3);
            color: #2f8f2f;
            font-size: 1.45rem;
            font-weight: 1000;
            line-height: 1;
            box-shadow: 0 6px 14px rgba(72, 153, 72, 0.26);
        }
        .mc-panel {
            background: rgba(255, 255, 255, 0.88);
            border: 1px solid rgba(15, 23, 42, 0.06);
            border-radius: 12px;
            padding: 0;
            overflow: hidden;
            box-shadow: 0 4px 18px rgba(15, 23, 42, 0.05);
            display: flex;
            flex-direction: column;
            min-height: 0;
            transition: box-shadow 0.2s ease, border-color 0.2s ease;
        }
        .mc-panel:hover {
            transform: none;
            box-shadow: 0 8px 26px rgba(15, 23, 42, 0.08);
            border-color: rgba(15, 23, 42, 0.09);
        }
        .mc-panel__tab {
            margin: 0;
            padding: 10px 16px;
            font-size: 0.92rem;
            font-weight: 700;
            color: #fff;
            text-align: left;
            letter-spacing: 0.04em;
        }
        .mc-panel__tab--blue {
            background: linear-gradient(90deg, #1e40af 0%, #2563eb 100%);
        }
        .mc-panel__tab--green {
            background: linear-gradient(90deg, #166534 0%, #15803d 100%);
        }
        .mc-panel ul {
            margin: 0;
            padding: 14px 14px 16px;
            list-style: none;
            color: #334155;
            font-weight: 550;
            font-size: 0.9rem;
            line-height: 1.5;
            display: grid;
            gap: 8px;
            flex: 1 1 auto;
        }
        .mc-panel--learn li {
            display: grid;
            grid-template-columns: auto 1fr auto;
            align-items: center;
            column-gap: 8px;
            padding: 8px 10px;
            border-radius: 8px;
            background: #f8fafc;
            border: 1px solid rgba(37, 99, 235, 0.08);
        }
        .mc-panel--audience li {
            display: grid;
            grid-template-columns: auto 1fr auto;
            align-items: center;
            column-gap: 8px;
            padding: 8px 10px;
            border-radius: 8px;
            background: #f7fee7;
            border: 1px solid rgba(22, 163, 74, 0.1);
        }
        .mc-panel li::before {
            content: none;
        }
        .mc-panel--learn .mc-bullet {
            width: 20px;
            height: 20px;
            border-radius: 6px;
            display: inline-grid;
            place-items: center;
            background: #2563eb;
            color: #fff;
            border: none;
            box-shadow: none;
            font-weight: 700;
            font-size: 0.65rem;
            flex: 0 0 auto;
        }
        .mc-panel--audience .mc-bullet {
            width: 20px;
            height: 20px;
            border-radius: 6px;
            display: inline-grid;
            place-items: center;
            background: #16a34a;
            color: #fff;
            border: none;
            box-shadow: none;
            font-weight: 700;
            font-size: 0.65rem;
            flex: 0 0 auto;
        }
        .mc-li-ico {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            display: inline-grid;
            place-items: center;
            flex: 0 0 auto;
        }
        .mc-panel--learn .mc-li-ico {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(59, 130, 246, 0.08));
            border: 1px solid rgba(37, 99, 235, 0.2);
            color: #1d4ed8;
        }
        .mc-panel--audience .mc-li-ico {
            background: linear-gradient(135deg, rgba(34, 197, 94, 0.18), rgba(22, 163, 74, 0.12));
            border: 1px solid rgba(22, 163, 74, 0.25);
            color: #15803d;
        }
        .mc-li-ico i {
            font-size: 17px;
            line-height: 1;
        }
        .mc-li-text {
            flex: 1 1 auto;
        }

        .masterclass-banner__cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 16px;
            padding: 12px 28px;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 650;
            letter-spacing: 0.06em;
            text-transform: none;
            font-size: 0.95rem;
            color: #fff;
            text-shadow: none;
            background: linear-gradient(180deg, #1e3a5f 0%, #0f2847 100%);
            border: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: 0 6px 20px rgba(15, 40, 71, 0.2);
            transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }
        .masterclass-banner__cta:focus-visible {
            outline: 2px solid rgba(59, 130, 246, 0.55);
            outline-offset: 3px;
        }
        .masterclass-banner__cta:hover {
            transform: translateY(-1px);
            filter: none;
            background: linear-gradient(180deg, #254a7a 0%, #15365c 100%);
            box-shadow: 0 10px 28px rgba(15, 40, 71, 0.25);
        }
        @media (max-width: 768px) {
            /* 海报主标题：窄屏固定两行（上句一行、下句一行），避免句内断行成三行 */
            .mc-poster__headline-top {
                white-space: nowrap;
                font-size: clamp(1.35rem, 5.2vw, 2.8rem);
            }
            .mc-poster__headline-main {
                white-space: nowrap;
                font-size: clamp(1.85rem, 7vw, 4.2rem);
            }
        }
        @media (max-width: 640px) {
            .masterclass-banner {
                padding: 20px 8px 28px;
            }
            .masterclass-banner__inner {
                padding: 0 10px;
                border-radius: 0;
            }
            .mc-headline {
                padding-right: 0;
                padding-left: 0;
            }
            .mc-title {
                font-size: 1.32rem;
                transform: none;
            }
            .mc-burst {
                position: static;
                right: auto;
                top: auto;
                width: 58px;
                height: 58px;
            }
            .mc-burst span {
                font-size: 0.88rem;
                letter-spacing: 0.12em;
            }
            .mc-host-badge {
                font-size: 0.78rem;
                padding: 5px 12px;
            }
            .mc-pill {
                white-space: normal;
                text-align: center;
            }
            .mc-promo-lead {
                margin: 8px 0 4px;
                padding-left: 0;
                padding-right: 0;
                text-align: center;
                display: flex;
                flex-direction: column;
                align-items: center;
            }
            .mc-promo-lead__ticks {
                justify-content: center;
                gap: 10px 16px;
            }
            .mc-promo-lead__share {
                font-size: clamp(1.08rem, 4.2vw, 1.42rem);
                letter-spacing: 0.04em;
                margin-bottom: 10px;
            }
            .mc-promo-lead__ticks li {
                font-size: clamp(1.02rem, 3.8vw, 1.28rem);
                gap: 7px;
            }
            .mc-promo-row {
                flex-direction: column;
                align-items: center;
                text-align: center;
                margin-bottom: 6px;
            }
            .mc-promo-row--hero {
                transform: none;
            }
            .mc-promo-text-stack {
                align-items: center;
                width: 100%;
            }
            .mc-promo-portrait-wrap {
                width: min(96%, 330px);
                margin-left: 0;
                margin-right: 0;
                margin-bottom: 0;
                display: flex;
                flex-direction: column;
                align-items: center;
            }
            .mc-promo-portrait {
                transform: translateX(0) scale(1.08);
            }
            .mc-promo-aside {
                position: static;
                left: auto;
                bottom: auto;
                max-width: min(100%, 252px);
                margin-top: 10px;
                align-items: stretch;
                align-self: center;
            }
            .mc-host-badge--aside {
                align-self: stretch;
                width: 100%;
                font-size: 0.72rem;
                padding: 5px 10px;
            }
            .mc-promo-slogan {
                margin: 10px 0 0;
                padding-left: 0;
                padding-right: 0;
                display: grid;
                grid-template-columns: auto auto;
                align-items: center;
                justify-items: center;
                column-gap: clamp(6px, 2.5vw, 14px);
                row-gap: 0;
                line-height: 1.15;
                letter-spacing: 0;
                color: #111;
                text-shadow: none;
            }
            .mc-promo-slogan__kicker {
                margin-left: 0;
                font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
                font-weight: 800;
                font-size: clamp(1.08rem, 3.85vw, 1.78rem);
                line-height: 1.18;
                white-space: nowrap;
                color: #1e293b;
            }
            .mc-promo-slogan__main {
                font-family: 'STXingkai', 'Xingkai SC', 'KaiTi', 'STKaiti', 'FangSong', 'Noto Serif SC', serif;
                font-weight: 700;
                font-size: clamp(1.78rem, 7.5vw, 3.35rem);
                white-space: nowrap;
                align-self: center;
                transform: translateX(-5mm);
                color: transparent;
                background: linear-gradient(118deg, #047857 0%, #059669 26%, #10b981 52%, #22c55e 88%);
                -webkit-background-clip: text;
                background-clip: text;
                filter: drop-shadow(0 2px 12px rgba(16, 185, 129, 0.42));
            }
            .mc-session-pill {
                padding: 7px 12px;
                gap: 7px;
                font-size: clamp(0.82rem, 3.8vw, 1.02rem);
                border-radius: 11px;
            }
            .mc-poster__mid {
                grid-template-columns: 1fr;
                padding-top: clamp(12px, 3.5vw, 28px);
            }
            .mc-poster__doctor-wrap {
                max-width: min(300px, 90vw);
                margin-top: clamp(18px, 5vw, 40px);
            }
            .mc-poster__doctor {
                max-width: min(320px, 92vw);
                transform: scale(1.32);
                transform-origin: bottom center;
            }
            .mc-poster__doctor-meta {
                width: min(220px, 90vw);
            }
            .mc-poster__doctor-meta-title {
                font-size: 0.88rem;
            }
            .mc-poster__doctor-meta-list li {
                font-size: 0.8rem;
            }
            .mc-poster__cta-row {
                grid-template-columns: 1fr;
            }
            .mc-promo-ribbon {
                transform: skewX(-8deg);
            }
            .mc-promo-ribbon__text {
                letter-spacing: 0.08em;
                transform: skewX(8deg);
            }
            .masterclass-banner__cta {
                padding: 13px 28px;
                font-size: 0.95rem;
            }
            .mc-panels {
                grid-template-columns: 1fr;
            }
            .mc-benefits {
                justify-content: center;
            }
        }

/* 覆盖各页 </head> 之后重复的 masterclass <style>，避免出现「外框 + .mc-poster」双盒子 */
.masterclass-banner__inner {
    border: none !important;
    background: transparent !important;
    background-image: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    padding: 0 min(12px, 3vw) !important;
}
@media (max-width: 640px) {
    .masterclass-banner__inner {
        padding: 0 10px !important;
    }
}